/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:08:06,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:08:06,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:08:06,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:08:06,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:08:06,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:08:06,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:08:06,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:08:06,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:08:06,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:08:06,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:08:06,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:08:06,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:08:06,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:08:06,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:08:06,280 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 16:08:06,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:08:06,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:08:06,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:08:06,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:08:06,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:08:06,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:08:06,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:08:06,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:08:06,343 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:08:06,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:08:06,344 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:08:06,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:08:06,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:08:06,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:08:06,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:08:06,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:08:06,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:08:06,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:08:06,346 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:08:06,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:08:06,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:08:06,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:08:06,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:08:06,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:08:06,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:08:06,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:08:06,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:08:06,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:08:06,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:08:06,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:08:06,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:08:06,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:08:06,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:08:06,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:08:06,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:08:06,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:08:06,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:08:06,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:08:06,821 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:08:06,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:08:06,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc89cabd/170d4ff935bd4957bc1b9e94a1856a98/FLAG0fcda5104 [2022-10-16 16:08:08,008 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:08:08,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:08:08,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc89cabd/170d4ff935bd4957bc1b9e94a1856a98/FLAG0fcda5104 [2022-10-16 16:08:08,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc89cabd/170d4ff935bd4957bc1b9e94a1856a98 [2022-10-16 16:08:08,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:08:08,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:08:08,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:08:08,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:08:08,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:08:08,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:08:08" (1/1) ... [2022-10-16 16:08:08,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242295f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:08, skipping insertion in model container [2022-10-16 16:08:08,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:08:08" (1/1) ... [2022-10-16 16:08:08,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:08:08,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:08:09,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2022-10-16 16:08:09,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2022-10-16 16:08:09,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2022-10-16 16:08:09,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2022-10-16 16:08:09,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2022-10-16 16:08:09,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2022-10-16 16:08:09,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2022-10-16 16:08:09,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2022-10-16 16:08:09,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2022-10-16 16:08:09,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2022-10-16 16:08:09,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2022-10-16 16:08:10,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2022-10-16 16:08:10,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2022-10-16 16:08:10,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2022-10-16 16:08:10,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2022-10-16 16:08:10,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2022-10-16 16:08:10,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2022-10-16 16:08:10,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:08:10,759 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:08:10,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2022-10-16 16:08:10,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2022-10-16 16:08:11,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2022-10-16 16:08:11,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2022-10-16 16:08:11,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2022-10-16 16:08:11,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2022-10-16 16:08:11,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2022-10-16 16:08:11,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2022-10-16 16:08:11,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2022-10-16 16:08:11,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2022-10-16 16:08:11,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2022-10-16 16:08:11,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2022-10-16 16:08:11,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2022-10-16 16:08:11,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2022-10-16 16:08:11,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2022-10-16 16:08:11,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2022-10-16 16:08:11,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2022-10-16 16:08:11,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:08:11,939 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:08:11,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11 WrapperNode [2022-10-16 16:08:11,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:08:11,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:08:11,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:08:11,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:08:11,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,399 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19964 [2022-10-16 16:08:12,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:08:12,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:08:12,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:08:12,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:08:12,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:12,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:13,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:13,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:08:13,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:08:13,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:08:13,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:08:13,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (1/1) ... [2022-10-16 16:08:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:08:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:08:13,241 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 16:08:13,260 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 16:08:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:08:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:08:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:08:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:08:14,024 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:08:14,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:08:24,194 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:08:24,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:08:24,258 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:08:24,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:08:24 BoogieIcfgContainer [2022-10-16 16:08:24,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:08:24,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:08:24,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:08:24,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:08:24,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:08:08" (1/3) ... [2022-10-16 16:08:24,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baaef1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:08:24, skipping insertion in model container [2022-10-16 16:08:24,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:08:11" (2/3) ... [2022-10-16 16:08:24,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baaef1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:08:24, skipping insertion in model container [2022-10-16 16:08:24,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:08:24" (3/3) ... [2022-10-16 16:08:24,279 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:08:24,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:08:24,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1974 error locations. [2022-10-16 16:08:24,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:08:24,645 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;@77c09dd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:08:24,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1974 error locations. [2022-10-16 16:08:24,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 7646 states, 5671 states have (on average 1.8564627049903015) internal successors, (10528), 7645 states have internal predecessors, (10528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:08:24,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:24,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:08:24,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:24,691 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:08:24,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:24,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851753232] [2022-10-16 16:08:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:25,241 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 16:08:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:25,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851753232] [2022-10-16 16:08:25,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851753232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:25,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:25,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:08:25,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689634534] [2022-10-16 16:08:25,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:25,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:08:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:25,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:08:25,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:08:25,333 INFO L87 Difference]: Start difference. First operand has 7646 states, 5671 states have (on average 1.8564627049903015) internal successors, (10528), 7645 states have internal predecessors, (10528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:25,582 INFO L93 Difference]: Finished difference Result 7649 states and 10530 transitions. [2022-10-16 16:08:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:08:25,585 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:08:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:25,650 INFO L225 Difference]: With dead ends: 7649 [2022-10-16 16:08:25,650 INFO L226 Difference]: Without dead ends: 7625 [2022-10-16 16:08:25,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:08:25,666 INFO L413 NwaCegarLoop]: 10505 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10505 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:25,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10505 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:08:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7625 states. [2022-10-16 16:08:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7625 to 7625. [2022-10-16 16:08:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7625 states, 5657 states have (on average 1.54109952271522) internal successors, (8718), 7624 states have internal predecessors, (8718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7625 states to 7625 states and 8718 transitions. [2022-10-16 16:08:25,972 INFO L78 Accepts]: Start accepts. Automaton has 7625 states and 8718 transitions. Word has length 4 [2022-10-16 16:08:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:25,973 INFO L495 AbstractCegarLoop]: Abstraction has 7625 states and 8718 transitions. [2022-10-16 16:08:25,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7625 states and 8718 transitions. [2022-10-16 16:08:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:08:25,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:25,977 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] [2022-10-16 16:08:25,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:08:25,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1054ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:25,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:25,979 INFO L85 PathProgramCache]: Analyzing trace with hash -258418776, now seen corresponding path program 1 times [2022-10-16 16:08:25,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:25,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952712965] [2022-10-16 16:08:25,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:25,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:26,294 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 16:08:26,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:26,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952712965] [2022-10-16 16:08:26,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952712965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:26,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:26,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:08:26,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014613267] [2022-10-16 16:08:26,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:26,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:08:26,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:26,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:08:26,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:08:26,299 INFO L87 Difference]: Start difference. First operand 7625 states and 8718 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:29,905 INFO L93 Difference]: Finished difference Result 7879 states and 9068 transitions. [2022-10-16 16:08:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:29,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:08:29,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:29,950 INFO L225 Difference]: With dead ends: 7879 [2022-10-16 16:08:29,950 INFO L226 Difference]: Without dead ends: 7703 [2022-10-16 16:08:29,956 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 16:08:29,958 INFO L413 NwaCegarLoop]: 6341 mSDtfsCounter, 14127 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 3310 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14127 SdHoareTripleChecker+Valid, 8778 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 3310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:29,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14127 Valid, 8778 Invalid, 3527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [217 Valid, 3310 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-16 16:08:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7703 states. [2022-10-16 16:08:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7703 to 7571. [2022-10-16 16:08:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 5777 states have (on average 1.5102994633893023) internal successors, (8725), 7570 states have internal predecessors, (8725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8725 transitions. [2022-10-16 16:08:30,218 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8725 transitions. Word has length 47 [2022-10-16 16:08:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:30,219 INFO L495 AbstractCegarLoop]: Abstraction has 7571 states and 8725 transitions. [2022-10-16 16:08:30,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8725 transitions. [2022-10-16 16:08:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:08:30,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:30,224 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] [2022-10-16 16:08:30,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:08:30,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1055ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:30,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:30,225 INFO L85 PathProgramCache]: Analyzing trace with hash 578963503, now seen corresponding path program 1 times [2022-10-16 16:08:30,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:30,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112683477] [2022-10-16 16:08:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:30,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:30,451 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 16:08:30,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:30,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112683477] [2022-10-16 16:08:30,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112683477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:30,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:30,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:08:30,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503288564] [2022-10-16 16:08:30,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:30,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:08:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:30,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:08:30,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:08:30,454 INFO L87 Difference]: Start difference. First operand 7571 states and 8725 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:33,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:33,271 INFO L93 Difference]: Finished difference Result 7689 states and 8892 transitions. [2022-10-16 16:08:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:08:33,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-16 16:08:33,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:33,313 INFO L225 Difference]: With dead ends: 7689 [2022-10-16 16:08:33,313 INFO L226 Difference]: Without dead ends: 7491 [2022-10-16 16:08:33,317 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 16:08:33,319 INFO L413 NwaCegarLoop]: 5941 mSDtfsCounter, 15725 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 2694 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15725 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 2694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:33,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15725 Valid, 6822 Invalid, 3011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [317 Valid, 2694 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:08:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2022-10-16 16:08:33,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 7479. [2022-10-16 16:08:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7479 states, 5881 states have (on average 1.4779799353851386) internal successors, (8692), 7478 states have internal predecessors, (8692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 8692 transitions. [2022-10-16 16:08:33,589 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 8692 transitions. Word has length 48 [2022-10-16 16:08:33,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:33,589 INFO L495 AbstractCegarLoop]: Abstraction has 7479 states and 8692 transitions. [2022-10-16 16:08:33,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 8692 transitions. [2022-10-16 16:08:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:08:33,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:33,593 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] [2022-10-16 16:08:33,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:08:33,594 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1056ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:33,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:33,595 INFO L85 PathProgramCache]: Analyzing trace with hash 768010378, now seen corresponding path program 1 times [2022-10-16 16:08:33,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:33,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744588923] [2022-10-16 16:08:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:33,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:33,804 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 16:08:33,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:33,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744588923] [2022-10-16 16:08:33,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744588923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:33,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:33,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:08:33,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890745162] [2022-10-16 16:08:33,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:33,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:08:33,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:33,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:08:33,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:08:33,808 INFO L87 Difference]: Start difference. First operand 7479 states and 8692 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:37,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:37,030 INFO L93 Difference]: Finished difference Result 7715 states and 9012 transitions. [2022-10-16 16:08:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:08:37,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 16:08:37,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:37,070 INFO L225 Difference]: With dead ends: 7715 [2022-10-16 16:08:37,071 INFO L226 Difference]: Without dead ends: 7545 [2022-10-16 16:08:37,074 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 16:08:37,076 INFO L413 NwaCegarLoop]: 6334 mSDtfsCounter, 19823 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 3634 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19823 SdHoareTripleChecker+Valid, 10381 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 3634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:37,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19823 Valid, 10381 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 3634 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 16:08:37,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7545 states. [2022-10-16 16:08:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7545 to 7411. [2022-10-16 16:08:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 5981 states have (on average 1.4514295268349775) internal successors, (8681), 7410 states have internal predecessors, (8681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 8681 transitions. [2022-10-16 16:08:37,363 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 8681 transitions. Word has length 49 [2022-10-16 16:08:37,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:37,363 INFO L495 AbstractCegarLoop]: Abstraction has 7411 states and 8681 transitions. [2022-10-16 16:08:37,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 8681 transitions. [2022-10-16 16:08:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:08:37,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:37,366 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] [2022-10-16 16:08:37,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:08:37,367 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1057ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:37,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1961471087, now seen corresponding path program 1 times [2022-10-16 16:08:37,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:37,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864580461] [2022-10-16 16:08:37,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:37,580 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 16:08:37,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:37,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864580461] [2022-10-16 16:08:37,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864580461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:37,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:37,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:08:37,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109680800] [2022-10-16 16:08:37,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:08:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:08:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:08:37,583 INFO L87 Difference]: Start difference. First operand 7411 states and 8681 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:40,585 INFO L93 Difference]: Finished difference Result 7535 states and 8842 transitions. [2022-10-16 16:08:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:08:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:40,607 INFO L225 Difference]: With dead ends: 7535 [2022-10-16 16:08:40,607 INFO L226 Difference]: Without dead ends: 7351 [2022-10-16 16:08:40,611 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 16:08:40,612 INFO L413 NwaCegarLoop]: 5943 mSDtfsCounter, 21683 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 2820 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21683 SdHoareTripleChecker+Valid, 8141 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 2820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:40,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21683 Valid, 8141 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 2820 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 16:08:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7351 states. [2022-10-16 16:08:40,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7351 to 7329. [2022-10-16 16:08:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7329 states, 6081 states have (on average 1.4231211971715179) internal successors, (8654), 7328 states have internal predecessors, (8654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7329 states to 7329 states and 8654 transitions. [2022-10-16 16:08:40,857 INFO L78 Accepts]: Start accepts. Automaton has 7329 states and 8654 transitions. Word has length 50 [2022-10-16 16:08:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:40,859 INFO L495 AbstractCegarLoop]: Abstraction has 7329 states and 8654 transitions. [2022-10-16 16:08:40,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7329 states and 8654 transitions. [2022-10-16 16:08:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:08:40,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:40,862 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] [2022-10-16 16:08:40,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:08:40,862 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1058ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:40,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:40,863 INFO L85 PathProgramCache]: Analyzing trace with hash -676050580, now seen corresponding path program 1 times [2022-10-16 16:08:40,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:40,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992152880] [2022-10-16 16:08:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:41,232 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 16:08:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992152880] [2022-10-16 16:08:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992152880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:41,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:41,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:41,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431296159] [2022-10-16 16:08:41,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:41,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:41,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:41,239 INFO L87 Difference]: Start difference. First operand 7329 states and 8654 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:44,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:44,729 INFO L93 Difference]: Finished difference Result 8181 states and 9924 transitions. [2022-10-16 16:08:44,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:08:44,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:08:44,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:44,751 INFO L225 Difference]: With dead ends: 8181 [2022-10-16 16:08:44,752 INFO L226 Difference]: Without dead ends: 7505 [2022-10-16 16:08:44,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:08:44,759 INFO L413 NwaCegarLoop]: 6363 mSDtfsCounter, 24597 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 4069 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24597 SdHoareTripleChecker+Valid, 12184 SdHoareTripleChecker+Invalid, 4342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 4069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:44,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24597 Valid, 12184 Invalid, 4342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 4069 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 16:08:44,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2022-10-16 16:08:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 7269. [2022-10-16 16:08:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7269 states, 6181 states have (on average 1.3986409966024915) internal successors, (8645), 7268 states have internal predecessors, (8645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 8645 transitions. [2022-10-16 16:08:45,099 INFO L78 Accepts]: Start accepts. Automaton has 7269 states and 8645 transitions. Word has length 51 [2022-10-16 16:08:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:45,100 INFO L495 AbstractCegarLoop]: Abstraction has 7269 states and 8645 transitions. [2022-10-16 16:08:45,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states and 8645 transitions. [2022-10-16 16:08:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:08:45,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:45,104 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] [2022-10-16 16:08:45,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:08:45,104 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1059ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 517279475, now seen corresponding path program 1 times [2022-10-16 16:08:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:45,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148292518] [2022-10-16 16:08:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:45,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:45,311 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 16:08:45,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:45,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148292518] [2022-10-16 16:08:45,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148292518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:45,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:45,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:45,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107394361] [2022-10-16 16:08:45,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:45,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:45,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:45,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:45,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:45,315 INFO L87 Difference]: Start difference. First operand 7269 states and 8645 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:48,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:48,473 INFO L93 Difference]: Finished difference Result 7726 states and 9292 transitions. [2022-10-16 16:08:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:08:48,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:08:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:48,490 INFO L225 Difference]: With dead ends: 7726 [2022-10-16 16:08:48,490 INFO L226 Difference]: Without dead ends: 7551 [2022-10-16 16:08:48,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:08:48,494 INFO L413 NwaCegarLoop]: 5948 mSDtfsCounter, 26786 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26786 SdHoareTripleChecker+Valid, 10101 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:48,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26786 Valid, 10101 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 16:08:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2022-10-16 16:08:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 7503. [2022-10-16 16:08:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7503 states, 6587 states have (on average 1.3825717321997875) internal successors, (9107), 7502 states have internal predecessors, (9107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7503 states to 7503 states and 9107 transitions. [2022-10-16 16:08:48,810 INFO L78 Accepts]: Start accepts. Automaton has 7503 states and 9107 transitions. Word has length 52 [2022-10-16 16:08:48,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:48,811 INFO L495 AbstractCegarLoop]: Abstraction has 7503 states and 9107 transitions. [2022-10-16 16:08:48,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7503 states and 9107 transitions. [2022-10-16 16:08:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:08:48,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:48,816 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] [2022-10-16 16:08:48,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:08:48,816 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1060ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:48,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1826418120, now seen corresponding path program 1 times [2022-10-16 16:08:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:48,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872748420] [2022-10-16 16:08:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:49,007 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 16:08:49,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:49,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872748420] [2022-10-16 16:08:49,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872748420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:49,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:49,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:08:49,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602111369] [2022-10-16 16:08:49,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:49,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:08:49,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:49,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:08:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:49,020 INFO L87 Difference]: Start difference. First operand 7503 states and 9107 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:50,214 INFO L93 Difference]: Finished difference Result 7503 states and 9107 transitions. [2022-10-16 16:08:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:08:50,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-10-16 16:08:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:50,229 INFO L225 Difference]: With dead ends: 7503 [2022-10-16 16:08:50,229 INFO L226 Difference]: Without dead ends: 7215 [2022-10-16 16:08:50,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:50,234 INFO L413 NwaCegarLoop]: 6944 mSDtfsCounter, 2011 mSDsluCounter, 4813 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 11757 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:50,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 11757 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:08:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7215 states. [2022-10-16 16:08:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7215 to 7215. [2022-10-16 16:08:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7215 states, 6587 states have (on average 1.3388492485198118) internal successors, (8819), 7214 states have internal predecessors, (8819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7215 states to 7215 states and 8819 transitions. [2022-10-16 16:08:50,520 INFO L78 Accepts]: Start accepts. Automaton has 7215 states and 8819 transitions. Word has length 56 [2022-10-16 16:08:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:50,521 INFO L495 AbstractCegarLoop]: Abstraction has 7215 states and 8819 transitions. [2022-10-16 16:08:50,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7215 states and 8819 transitions. [2022-10-16 16:08:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:08:50,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:50,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:50,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:08:50,531 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1062ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:50,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:50,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1586073021, now seen corresponding path program 1 times [2022-10-16 16:08:50,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:50,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295519174] [2022-10-16 16:08:50,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:50,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:50,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:50,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295519174] [2022-10-16 16:08:50,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295519174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:50,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:50,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:08:50,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208704207] [2022-10-16 16:08:50,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:50,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:08:50,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:50,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:08:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:50,720 INFO L87 Difference]: Start difference. First operand 7215 states and 8819 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:51,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:51,687 INFO L93 Difference]: Finished difference Result 7215 states and 8819 transitions. [2022-10-16 16:08:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:08:51,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 16:08:51,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:51,703 INFO L225 Difference]: With dead ends: 7215 [2022-10-16 16:08:51,703 INFO L226 Difference]: Without dead ends: 7058 [2022-10-16 16:08:51,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:51,709 INFO L413 NwaCegarLoop]: 6550 mSDtfsCounter, 7004 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7004 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:51,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7004 Valid, 6550 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:08:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2022-10-16 16:08:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 7058. [2022-10-16 16:08:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 6587 states have (on average 1.313648094732048) internal successors, (8653), 7057 states have internal predecessors, (8653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 8653 transitions. [2022-10-16 16:08:52,094 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 8653 transitions. Word has length 60 [2022-10-16 16:08:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:52,094 INFO L495 AbstractCegarLoop]: Abstraction has 7058 states and 8653 transitions. [2022-10-16 16:08:52,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 8653 transitions. [2022-10-16 16:08:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:08:52,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:52,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:52,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:08:52,101 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1063ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1923634395, now seen corresponding path program 1 times [2022-10-16 16:08:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:52,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343053304] [2022-10-16 16:08:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:52,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:52,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343053304] [2022-10-16 16:08:52,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343053304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:52,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:52,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:08:52,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492001005] [2022-10-16 16:08:52,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:52,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:08:52,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:08:52,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:52,270 INFO L87 Difference]: Start difference. First operand 7058 states and 8653 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:53,320 INFO L93 Difference]: Finished difference Result 7058 states and 8653 transitions. [2022-10-16 16:08:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:08:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 16:08:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:53,336 INFO L225 Difference]: With dead ends: 7058 [2022-10-16 16:08:53,336 INFO L226 Difference]: Without dead ends: 6901 [2022-10-16 16:08:53,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:08:53,340 INFO L413 NwaCegarLoop]: 6550 mSDtfsCounter, 6846 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6846 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:53,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6846 Valid, 6550 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:08:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6901 states. [2022-10-16 16:08:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6901 to 6901. [2022-10-16 16:08:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 6587 states have (on average 1.2884469409442842) internal successors, (8487), 6900 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 8487 transitions. [2022-10-16 16:08:53,598 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 8487 transitions. Word has length 61 [2022-10-16 16:08:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:53,599 INFO L495 AbstractCegarLoop]: Abstraction has 6901 states and 8487 transitions. [2022-10-16 16:08:53,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 8487 transitions. [2022-10-16 16:08:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:08:53,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:53,610 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, 1, 1, 1] [2022-10-16 16:08:53,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:08:53,611 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1176ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash -491431341, now seen corresponding path program 1 times [2022-10-16 16:08:53,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:53,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733409196] [2022-10-16 16:08:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:53,822 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 16:08:53,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:53,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733409196] [2022-10-16 16:08:53,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733409196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:53,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:53,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:08:53,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168922098] [2022-10-16 16:08:53,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:53,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:08:53,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:53,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:08:53,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:08:53,825 INFO L87 Difference]: Start difference. First operand 6901 states and 8487 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 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 16:08:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:56,207 INFO L93 Difference]: Finished difference Result 7123 states and 8807 transitions. [2022-10-16 16:08:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:08:56,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 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 16:08:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:56,224 INFO L225 Difference]: With dead ends: 7123 [2022-10-16 16:08:56,224 INFO L226 Difference]: Without dead ends: 7105 [2022-10-16 16:08:56,228 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 16:08:56,229 INFO L413 NwaCegarLoop]: 5758 mSDtfsCounter, 7311 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 3065 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7311 SdHoareTripleChecker+Valid, 10428 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:56,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7311 Valid, 10428 Invalid, 3141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3065 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:08:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7105 states. [2022-10-16 16:08:56,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7105 to 7085. [2022-10-16 16:08:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7085 states, 6787 states have (on average 1.2946810078090467) internal successors, (8787), 7084 states have internal predecessors, (8787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7085 states to 7085 states and 8787 transitions. [2022-10-16 16:08:56,631 INFO L78 Accepts]: Start accepts. Automaton has 7085 states and 8787 transitions. Word has length 76 [2022-10-16 16:08:56,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:56,632 INFO L495 AbstractCegarLoop]: Abstraction has 7085 states and 8787 transitions. [2022-10-16 16:08:56,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 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 16:08:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7085 states and 8787 transitions. [2022-10-16 16:08:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:08:56,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:56,645 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 16:08:56,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:08:56,646 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1177ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:56,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:56,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1945509912, now seen corresponding path program 1 times [2022-10-16 16:08:56,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:56,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45050812] [2022-10-16 16:08:56,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:56,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:56,945 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 16:08:56,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:56,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45050812] [2022-10-16 16:08:56,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45050812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:56,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:56,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:08:56,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898559037] [2022-10-16 16:08:56,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:56,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:08:56,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:56,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:08:56,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:08:56,948 INFO L87 Difference]: Start difference. First operand 7085 states and 8787 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:08:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:59,368 INFO L93 Difference]: Finished difference Result 7497 states and 9415 transitions. [2022-10-16 16:08:59,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:08:59,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:08:59,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:59,377 INFO L225 Difference]: With dead ends: 7497 [2022-10-16 16:08:59,377 INFO L226 Difference]: Without dead ends: 7479 [2022-10-16 16:08:59,379 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 16:08:59,380 INFO L413 NwaCegarLoop]: 5470 mSDtfsCounter, 8313 mSDsluCounter, 4361 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8313 SdHoareTripleChecker+Valid, 9831 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:59,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8313 Valid, 9831 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:08:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2022-10-16 16:08:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 7067. [2022-10-16 16:08:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7067 states, 6787 states have (on average 1.2911448357153381) internal successors, (8763), 7066 states have internal predecessors, (8763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 8763 transitions. [2022-10-16 16:08:59,747 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 8763 transitions. Word has length 77 [2022-10-16 16:08:59,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:59,747 INFO L495 AbstractCegarLoop]: Abstraction has 7067 states and 8763 transitions. [2022-10-16 16:08:59,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:08:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 8763 transitions. [2022-10-16 16:08:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:08:59,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:59,761 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] [2022-10-16 16:08:59,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:08:59,761 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr438ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:08:59,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:59,762 INFO L85 PathProgramCache]: Analyzing trace with hash -797358829, now seen corresponding path program 1 times [2022-10-16 16:08:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:59,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468253514] [2022-10-16 16:08:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:59,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468253514] [2022-10-16 16:08:59,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468253514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:59,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:59,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:08:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251101210] [2022-10-16 16:08:59,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:59,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:08:59,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:08:59,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:08:59,985 INFO L87 Difference]: Start difference. First operand 7067 states and 8763 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:09:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:02,314 INFO L93 Difference]: Finished difference Result 7487 states and 9391 transitions. [2022-10-16 16:09:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:09:02,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:09:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:02,323 INFO L225 Difference]: With dead ends: 7487 [2022-10-16 16:09:02,323 INFO L226 Difference]: Without dead ends: 7475 [2022-10-16 16:09:02,325 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 16:09:02,325 INFO L413 NwaCegarLoop]: 5824 mSDtfsCounter, 6219 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6219 SdHoareTripleChecker+Valid, 10953 SdHoareTripleChecker+Invalid, 3084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:02,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6219 Valid, 10953 Invalid, 3084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:09:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2022-10-16 16:09:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 7457. [2022-10-16 16:09:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7457 states, 7187 states have (on average 1.3041602894114372) internal successors, (9373), 7456 states have internal predecessors, (9373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7457 states to 7457 states and 9373 transitions. [2022-10-16 16:09:02,701 INFO L78 Accepts]: Start accepts. Automaton has 7457 states and 9373 transitions. Word has length 77 [2022-10-16 16:09:02,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:02,701 INFO L495 AbstractCegarLoop]: Abstraction has 7457 states and 9373 transitions. [2022-10-16 16:09:02,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 16:09:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7457 states and 9373 transitions. [2022-10-16 16:09:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:09:02,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:02,714 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 16:09:02,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:09:02,714 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1178ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:02,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:02,715 INFO L85 PathProgramCache]: Analyzing trace with hash 181277429, now seen corresponding path program 1 times [2022-10-16 16:09:02,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:02,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106998489] [2022-10-16 16:09:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:02,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:02,933 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 16:09:02,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:02,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106998489] [2022-10-16 16:09:02,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106998489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:02,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:02,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:02,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694212070] [2022-10-16 16:09:02,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:02,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:02,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:02,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:02,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:02,936 INFO L87 Difference]: Start difference. First operand 7457 states and 9373 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 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 16:09:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:05,608 INFO L93 Difference]: Finished difference Result 7681 states and 9685 transitions. [2022-10-16 16:09:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:05,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 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 16:09:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:05,619 INFO L225 Difference]: With dead ends: 7681 [2022-10-16 16:09:05,619 INFO L226 Difference]: Without dead ends: 7667 [2022-10-16 16:09:05,623 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 16:09:05,624 INFO L413 NwaCegarLoop]: 5748 mSDtfsCounter, 13288 mSDsluCounter, 5358 mSDsCounter, 0 mSdLazyCounter, 3427 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13288 SdHoareTripleChecker+Valid, 11106 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:05,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13288 Valid, 11106 Invalid, 3498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3427 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:09:05,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7667 states. [2022-10-16 16:09:05,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7667 to 7645. [2022-10-16 16:09:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7645 states, 7387 states have (on average 1.3089210775687017) internal successors, (9669), 7644 states have internal predecessors, (9669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7645 states to 7645 states and 9669 transitions. [2022-10-16 16:09:06,008 INFO L78 Accepts]: Start accepts. Automaton has 7645 states and 9669 transitions. Word has length 78 [2022-10-16 16:09:06,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:06,009 INFO L495 AbstractCegarLoop]: Abstraction has 7645 states and 9669 transitions. [2022-10-16 16:09:06,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 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 16:09:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 7645 states and 9669 transitions. [2022-10-16 16:09:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:09:06,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:06,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:06,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:09:06,021 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1179ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:06,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1324645306, now seen corresponding path program 1 times [2022-10-16 16:09:06,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:06,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241746552] [2022-10-16 16:09:06,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:06,242 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 16:09:06,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:06,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241746552] [2022-10-16 16:09:06,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241746552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:06,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:06,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:06,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100766332] [2022-10-16 16:09:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:06,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:06,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:06,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:06,245 INFO L87 Difference]: Start difference. First operand 7645 states and 9669 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:09,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:09,099 INFO L93 Difference]: Finished difference Result 8069 states and 10301 transitions. [2022-10-16 16:09:09,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:09,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:09:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:09,111 INFO L225 Difference]: With dead ends: 8069 [2022-10-16 16:09:09,112 INFO L226 Difference]: Without dead ends: 8051 [2022-10-16 16:09:09,115 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 16:09:09,115 INFO L413 NwaCegarLoop]: 5470 mSDtfsCounter, 13544 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13544 SdHoareTripleChecker+Valid, 10522 SdHoareTripleChecker+Invalid, 3630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:09,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13544 Valid, 10522 Invalid, 3630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3492 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 16:09:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8051 states. [2022-10-16 16:09:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8051 to 8029. [2022-10-16 16:09:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8029 states, 7787 states have (on average 1.31925003210479) internal successors, (10273), 8028 states have internal predecessors, (10273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8029 states to 8029 states and 10273 transitions. [2022-10-16 16:09:09,436 INFO L78 Accepts]: Start accepts. Automaton has 8029 states and 10273 transitions. Word has length 79 [2022-10-16 16:09:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:09,436 INFO L495 AbstractCegarLoop]: Abstraction has 8029 states and 10273 transitions. [2022-10-16 16:09:09,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8029 states and 10273 transitions. [2022-10-16 16:09:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:09:09,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:09,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:09,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:09:09,485 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr762ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:09,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:09,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1854468758, now seen corresponding path program 1 times [2022-10-16 16:09:09,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:09,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318507673] [2022-10-16 16:09:09,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:09,725 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 16:09:09,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:09,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318507673] [2022-10-16 16:09:09,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318507673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:09,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:09,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:09,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082497658] [2022-10-16 16:09:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:09,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:09,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:09,730 INFO L87 Difference]: Start difference. First operand 8029 states and 10273 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:12,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:12,786 INFO L93 Difference]: Finished difference Result 8051 states and 10273 transitions. [2022-10-16 16:09:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:12,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:09:12,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:12,798 INFO L225 Difference]: With dead ends: 8051 [2022-10-16 16:09:12,798 INFO L226 Difference]: Without dead ends: 8043 [2022-10-16 16:09:12,801 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 16:09:12,803 INFO L413 NwaCegarLoop]: 5787 mSDtfsCounter, 11303 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11303 SdHoareTripleChecker+Valid, 13285 SdHoareTripleChecker+Invalid, 4069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:12,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11303 Valid, 13285 Invalid, 4069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:09:12,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-10-16 16:09:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 8023. [2022-10-16 16:09:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 7787 states have (on average 1.3179658405034032) internal successors, (10263), 8022 states have internal predecessors, (10263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 10263 transitions. [2022-10-16 16:09:13,136 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 10263 transitions. Word has length 79 [2022-10-16 16:09:13,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:13,137 INFO L495 AbstractCegarLoop]: Abstraction has 8023 states and 10263 transitions. [2022-10-16 16:09:13,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 10263 transitions. [2022-10-16 16:09:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:09:13,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:13,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:13,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:09:13,147 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr440ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1757507083, now seen corresponding path program 1 times [2022-10-16 16:09:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:13,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614397152] [2022-10-16 16:09:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:13,391 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 16:09:13,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:13,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614397152] [2022-10-16 16:09:13,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614397152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:13,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:13,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074496821] [2022-10-16 16:09:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:13,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:13,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:13,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:13,393 INFO L87 Difference]: Start difference. First operand 8023 states and 10263 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:16,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:16,306 INFO L93 Difference]: Finished difference Result 8247 states and 10575 transitions. [2022-10-16 16:09:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:16,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:09:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:16,325 INFO L225 Difference]: With dead ends: 8247 [2022-10-16 16:09:16,325 INFO L226 Difference]: Without dead ends: 8239 [2022-10-16 16:09:16,328 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 16:09:16,329 INFO L413 NwaCegarLoop]: 5800 mSDtfsCounter, 11404 mSDsluCounter, 7344 mSDsCounter, 0 mSdLazyCounter, 3983 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11404 SdHoareTripleChecker+Valid, 13144 SdHoareTripleChecker+Invalid, 4012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:16,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11404 Valid, 13144 Invalid, 4012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 3983 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:09:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8239 states. [2022-10-16 16:09:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8239 to 8217. [2022-10-16 16:09:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8217 states, 7987 states have (on average 1.3227745085764366) internal successors, (10565), 8216 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8217 states to 8217 states and 10565 transitions. [2022-10-16 16:09:16,675 INFO L78 Accepts]: Start accepts. Automaton has 8217 states and 10565 transitions. Word has length 79 [2022-10-16 16:09:16,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:16,676 INFO L495 AbstractCegarLoop]: Abstraction has 8217 states and 10565 transitions. [2022-10-16 16:09:16,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 8217 states and 10565 transitions. [2022-10-16 16:09:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:09:16,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:16,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:16,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:09:16,685 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1140ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:16,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1377659864, now seen corresponding path program 1 times [2022-10-16 16:09:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:16,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982797137] [2022-10-16 16:09:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:16,927 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 16:09:16,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:16,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982797137] [2022-10-16 16:09:16,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982797137] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:16,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:16,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:16,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927657975] [2022-10-16 16:09:16,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:16,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:16,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:16,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:16,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:16,930 INFO L87 Difference]: Start difference. First operand 8217 states and 10565 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 16:09:20,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:20,267 INFO L93 Difference]: Finished difference Result 10549 states and 14132 transitions. [2022-10-16 16:09:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:09:20,267 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 16:09:20,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:20,277 INFO L225 Difference]: With dead ends: 10549 [2022-10-16 16:09:20,277 INFO L226 Difference]: Without dead ends: 8229 [2022-10-16 16:09:20,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:09:20,283 INFO L413 NwaCegarLoop]: 5764 mSDtfsCounter, 16565 mSDsluCounter, 9080 mSDsCounter, 0 mSdLazyCounter, 4649 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16565 SdHoareTripleChecker+Valid, 14844 SdHoareTripleChecker+Invalid, 4688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 4649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:20,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16565 Valid, 14844 Invalid, 4688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 4649 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 16:09:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-10-16 16:09:20,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8209. [2022-10-16 16:09:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8209 states, 7987 states have (on average 1.3213972705646675) internal successors, (10554), 8208 states have internal predecessors, (10554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8209 states to 8209 states and 10554 transitions. [2022-10-16 16:09:20,645 INFO L78 Accepts]: Start accepts. Automaton has 8209 states and 10554 transitions. Word has length 80 [2022-10-16 16:09:20,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:20,646 INFO L495 AbstractCegarLoop]: Abstraction has 8209 states and 10554 transitions. [2022-10-16 16:09:20,646 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 16:09:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 8209 states and 10554 transitions. [2022-10-16 16:09:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:09:20,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:20,656 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 16:09:20,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:09:20,656 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1180ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:20,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1885656169, now seen corresponding path program 1 times [2022-10-16 16:09:20,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:20,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555128816] [2022-10-16 16:09:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:09:20,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:20,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555128816] [2022-10-16 16:09:20,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555128816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:20,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:20,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:20,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033661536] [2022-10-16 16:09:20,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:20,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:20,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:20,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:20,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:20,889 INFO L87 Difference]: Start difference. First operand 8209 states and 10554 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 16:09:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:24,244 INFO L93 Difference]: Finished difference Result 9841 states and 13042 transitions. [2022-10-16 16:09:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:24,245 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 16:09:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:24,255 INFO L225 Difference]: With dead ends: 9841 [2022-10-16 16:09:24,255 INFO L226 Difference]: Without dead ends: 8421 [2022-10-16 16:09:24,259 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 16:09:24,260 INFO L413 NwaCegarLoop]: 5744 mSDtfsCounter, 18169 mSDsluCounter, 7040 mSDsCounter, 0 mSdLazyCounter, 4424 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18169 SdHoareTripleChecker+Valid, 12784 SdHoareTripleChecker+Invalid, 4490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:24,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18169 Valid, 12784 Invalid, 4490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4424 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 16:09:24,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2022-10-16 16:09:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8401. [2022-10-16 16:09:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8401 states, 8187 states have (on average 1.324538903139123) internal successors, (10844), 8400 states have internal predecessors, (10844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8401 states to 8401 states and 10844 transitions. [2022-10-16 16:09:24,652 INFO L78 Accepts]: Start accepts. Automaton has 8401 states and 10844 transitions. Word has length 80 [2022-10-16 16:09:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:24,653 INFO L495 AbstractCegarLoop]: Abstraction has 8401 states and 10844 transitions. [2022-10-16 16:09:24,653 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 16:09:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 8401 states and 10844 transitions. [2022-10-16 16:09:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:09:24,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:24,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:24,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:09:24,661 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr422ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:24,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:24,661 INFO L85 PathProgramCache]: Analyzing trace with hash -517394872, now seen corresponding path program 1 times [2022-10-16 16:09:24,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:24,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439377264] [2022-10-16 16:09:24,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:09:24,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:24,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439377264] [2022-10-16 16:09:24,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439377264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:24,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:24,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:09:24,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454940962] [2022-10-16 16:09:24,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:24,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:09:24,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:24,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:09:24,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:09:24,859 INFO L87 Difference]: Start difference. First operand 8401 states and 10844 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:09:27,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:27,442 INFO L93 Difference]: Finished difference Result 9023 states and 11788 transitions. [2022-10-16 16:09:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:09:27,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:09:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:27,451 INFO L225 Difference]: With dead ends: 9023 [2022-10-16 16:09:27,451 INFO L226 Difference]: Without dead ends: 9009 [2022-10-16 16:09:27,453 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 16:09:27,454 INFO L413 NwaCegarLoop]: 6924 mSDtfsCounter, 1465 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 3244 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 16509 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:27,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 16509 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3244 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:09:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2022-10-16 16:09:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 8789. [2022-10-16 16:09:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8789 states, 8587 states have (on average 1.3331780598579248) internal successors, (11448), 8788 states have internal predecessors, (11448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8789 states to 8789 states and 11448 transitions. [2022-10-16 16:09:27,810 INFO L78 Accepts]: Start accepts. Automaton has 8789 states and 11448 transitions. Word has length 80 [2022-10-16 16:09:27,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:27,811 INFO L495 AbstractCegarLoop]: Abstraction has 8789 states and 11448 transitions. [2022-10-16 16:09:27,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:09:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8789 states and 11448 transitions. [2022-10-16 16:09:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:09:27,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:27,820 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 16:09:27,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:09:27,820 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr441ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:27,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1351859932, now seen corresponding path program 1 times [2022-10-16 16:09:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:27,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606313303] [2022-10-16 16:09:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:28,032 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 16:09:28,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:28,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606313303] [2022-10-16 16:09:28,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606313303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:28,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:28,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:28,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387555633] [2022-10-16 16:09:28,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:28,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:28,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:28,035 INFO L87 Difference]: Start difference. First operand 8789 states and 11448 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 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 16:09:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:31,030 INFO L93 Difference]: Finished difference Result 9611 states and 12688 transitions. [2022-10-16 16:09:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:31,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 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 16:09:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:31,040 INFO L225 Difference]: With dead ends: 9611 [2022-10-16 16:09:31,040 INFO L226 Difference]: Without dead ends: 9603 [2022-10-16 16:09:31,042 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 16:09:31,043 INFO L413 NwaCegarLoop]: 5478 mSDtfsCounter, 12956 mSDsluCounter, 5952 mSDsCounter, 0 mSdLazyCounter, 3540 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12956 SdHoareTripleChecker+Valid, 11430 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:31,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12956 Valid, 11430 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3540 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 16:09:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9603 states. [2022-10-16 16:09:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9603 to 9383. [2022-10-16 16:09:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9383 states, 9187 states have (on average 1.3455970392946555) internal successors, (12362), 9382 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9383 states to 9383 states and 12362 transitions. [2022-10-16 16:09:31,443 INFO L78 Accepts]: Start accepts. Automaton has 9383 states and 12362 transitions. Word has length 80 [2022-10-16 16:09:31,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:31,443 INFO L495 AbstractCegarLoop]: Abstraction has 9383 states and 12362 transitions. [2022-10-16 16:09:31,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 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 16:09:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9383 states and 12362 transitions. [2022-10-16 16:09:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:09:31,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:31,451 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] [2022-10-16 16:09:31,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:09:31,451 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1181ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:31,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1674213212, now seen corresponding path program 1 times [2022-10-16 16:09:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:31,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220231240] [2022-10-16 16:09:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:31,692 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 16:09:31,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:31,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220231240] [2022-10-16 16:09:31,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220231240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:31,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:31,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694889104] [2022-10-16 16:09:31,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:31,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:31,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:31,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:31,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:31,695 INFO L87 Difference]: Start difference. First operand 9383 states and 12362 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:34,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:34,892 INFO L93 Difference]: Finished difference Result 11317 states and 15307 transitions. [2022-10-16 16:09:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:34,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:09:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:34,909 INFO L225 Difference]: With dead ends: 11317 [2022-10-16 16:09:34,910 INFO L226 Difference]: Without dead ends: 11301 [2022-10-16 16:09:34,913 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 16:09:34,914 INFO L413 NwaCegarLoop]: 5474 mSDtfsCounter, 20401 mSDsluCounter, 5291 mSDsCounter, 0 mSdLazyCounter, 3493 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20401 SdHoareTripleChecker+Valid, 10765 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:34,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20401 Valid, 10765 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3493 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:09:34,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11301 states. [2022-10-16 16:09:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11301 to 10869. [2022-10-16 16:09:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10869 states, 10685 states have (on average 1.3737014506317267) internal successors, (14678), 10868 states have internal predecessors, (14678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10869 states to 10869 states and 14678 transitions. [2022-10-16 16:09:35,425 INFO L78 Accepts]: Start accepts. Automaton has 10869 states and 14678 transitions. Word has length 81 [2022-10-16 16:09:35,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:35,425 INFO L495 AbstractCegarLoop]: Abstraction has 10869 states and 14678 transitions. [2022-10-16 16:09:35,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10869 states and 14678 transitions. [2022-10-16 16:09:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:09:35,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:35,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:35,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:09:35,432 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr764ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:35,433 INFO L85 PathProgramCache]: Analyzing trace with hash 267200044, now seen corresponding path program 1 times [2022-10-16 16:09:35,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:35,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008395719] [2022-10-16 16:09:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:35,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:35,790 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 16:09:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:35,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008395719] [2022-10-16 16:09:35,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008395719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:35,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:35,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530386877] [2022-10-16 16:09:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:35,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:35,793 INFO L87 Difference]: Start difference. First operand 10869 states and 14678 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:39,308 INFO L93 Difference]: Finished difference Result 15601 states and 21959 transitions. [2022-10-16 16:09:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:39,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:09:39,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:39,325 INFO L225 Difference]: With dead ends: 15601 [2022-10-16 16:09:39,325 INFO L226 Difference]: Without dead ends: 11085 [2022-10-16 16:09:39,343 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 16:09:39,344 INFO L413 NwaCegarLoop]: 5765 mSDtfsCounter, 16436 mSDsluCounter, 9096 mSDsCounter, 0 mSdLazyCounter, 4543 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16436 SdHoareTripleChecker+Valid, 14861 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:39,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16436 Valid, 14861 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4543 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 16:09:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11085 states. [2022-10-16 16:09:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11085 to 11065. [2022-10-16 16:09:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11065 states, 10885 states have (on average 1.3754708314193844) internal successors, (14972), 11064 states have internal predecessors, (14972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11065 states to 11065 states and 14972 transitions. [2022-10-16 16:09:39,951 INFO L78 Accepts]: Start accepts. Automaton has 11065 states and 14972 transitions. Word has length 81 [2022-10-16 16:09:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:39,952 INFO L495 AbstractCegarLoop]: Abstraction has 11065 states and 14972 transitions. [2022-10-16 16:09:39,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 11065 states and 14972 transitions. [2022-10-16 16:09:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:09:39,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:39,960 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] [2022-10-16 16:09:39,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:09:39,960 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr442ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:39,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1042010409, now seen corresponding path program 1 times [2022-10-16 16:09:39,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:39,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999627517] [2022-10-16 16:09:39,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:39,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:40,207 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 16:09:40,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:40,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999627517] [2022-10-16 16:09:40,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999627517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:40,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:40,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:40,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510839916] [2022-10-16 16:09:40,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:40,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:40,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:40,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:40,211 INFO L87 Difference]: Start difference. First operand 11065 states and 14972 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:43,774 INFO L93 Difference]: Finished difference Result 15697 states and 22102 transitions. [2022-10-16 16:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:43,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:09:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:43,788 INFO L225 Difference]: With dead ends: 15697 [2022-10-16 16:09:43,788 INFO L226 Difference]: Without dead ends: 11281 [2022-10-16 16:09:43,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:09:43,795 INFO L413 NwaCegarLoop]: 5778 mSDtfsCounter, 16659 mSDsluCounter, 8858 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16659 SdHoareTripleChecker+Valid, 14636 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:43,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16659 Valid, 14636 Invalid, 4504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 4475 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 16:09:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11281 states. [2022-10-16 16:09:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11281 to 11261. [2022-10-16 16:09:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11261 states, 11085 states have (on average 1.3771763644564727) internal successors, (15266), 11260 states have internal predecessors, (15266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11261 states to 11261 states and 15266 transitions. [2022-10-16 16:09:44,339 INFO L78 Accepts]: Start accepts. Automaton has 11261 states and 15266 transitions. Word has length 81 [2022-10-16 16:09:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:44,339 INFO L495 AbstractCegarLoop]: Abstraction has 11261 states and 15266 transitions. [2022-10-16 16:09:44,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11261 states and 15266 transitions. [2022-10-16 16:09:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:09:44,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:44,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:44,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:09:44,344 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1202ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash 935879542, now seen corresponding path program 1 times [2022-10-16 16:09:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:44,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162662095] [2022-10-16 16:09:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:44,474 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 16:09:44,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:44,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162662095] [2022-10-16 16:09:44,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162662095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:44,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:44,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:09:44,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408408082] [2022-10-16 16:09:44,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:44,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:09:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:44,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:09:44,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:09:44,477 INFO L87 Difference]: Start difference. First operand 11261 states and 15266 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:45,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:45,848 INFO L93 Difference]: Finished difference Result 11261 states and 15266 transitions. [2022-10-16 16:09:45,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:09:45,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:09:45,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:45,860 INFO L225 Difference]: With dead ends: 11261 [2022-10-16 16:09:45,861 INFO L226 Difference]: Without dead ends: 11220 [2022-10-16 16:09:45,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:09:45,869 INFO L413 NwaCegarLoop]: 6284 mSDtfsCounter, 6462 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 6315 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:45,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 6315 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:09:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11220 states. [2022-10-16 16:09:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11220 to 11220. [2022-10-16 16:09:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11220 states, 11085 states have (on average 1.3686062246278754) internal successors, (15171), 11219 states have internal predecessors, (15171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11220 states to 11220 states and 15171 transitions. [2022-10-16 16:09:46,522 INFO L78 Accepts]: Start accepts. Automaton has 11220 states and 15171 transitions. Word has length 82 [2022-10-16 16:09:46,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:46,523 INFO L495 AbstractCegarLoop]: Abstraction has 11220 states and 15171 transitions. [2022-10-16 16:09:46,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11220 states and 15171 transitions. [2022-10-16 16:09:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:09:46,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:46,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:46,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:09:46,528 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr765ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:46,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash -306725454, now seen corresponding path program 1 times [2022-10-16 16:09:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:46,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659271989] [2022-10-16 16:09:46,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:46,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:46,749 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 16:09:46,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:46,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659271989] [2022-10-16 16:09:46,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659271989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:46,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:46,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:46,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815849490] [2022-10-16 16:09:46,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:46,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:46,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:46,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:46,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:46,757 INFO L87 Difference]: Start difference. First operand 11220 states and 15171 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:50,316 INFO L93 Difference]: Finished difference Result 12645 states and 17311 transitions. [2022-10-16 16:09:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:50,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:09:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:50,330 INFO L225 Difference]: With dead ends: 12645 [2022-10-16 16:09:50,330 INFO L226 Difference]: Without dead ends: 12639 [2022-10-16 16:09:50,333 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 16:09:50,333 INFO L413 NwaCegarLoop]: 5431 mSDtfsCounter, 18573 mSDsluCounter, 7223 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18573 SdHoareTripleChecker+Valid, 12654 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:50,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18573 Valid, 12654 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:09:50,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12639 states. [2022-10-16 16:09:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12639 to 12016. [2022-10-16 16:09:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12016 states, 11885 states have (on average 1.3793857803954566) internal successors, (16394), 12015 states have internal predecessors, (16394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12016 states to 12016 states and 16394 transitions. [2022-10-16 16:09:51,011 INFO L78 Accepts]: Start accepts. Automaton has 12016 states and 16394 transitions. Word has length 82 [2022-10-16 16:09:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:51,012 INFO L495 AbstractCegarLoop]: Abstraction has 12016 states and 16394 transitions. [2022-10-16 16:09:51,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 12016 states and 16394 transitions. [2022-10-16 16:09:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:09:51,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:51,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:51,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:09:51,022 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr712ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:51,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1205790329, now seen corresponding path program 1 times [2022-10-16 16:09:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365403194] [2022-10-16 16:09:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:51,266 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 16:09:51,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365403194] [2022-10-16 16:09:51,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365403194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:51,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:51,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:51,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770962108] [2022-10-16 16:09:51,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:51,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:51,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:51,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:51,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:51,268 INFO L87 Difference]: Start difference. First operand 12016 states and 16394 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:54,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:54,227 INFO L93 Difference]: Finished difference Result 13433 states and 18534 transitions. [2022-10-16 16:09:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:54,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:09:54,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:54,245 INFO L225 Difference]: With dead ends: 13433 [2022-10-16 16:09:54,245 INFO L226 Difference]: Without dead ends: 13427 [2022-10-16 16:09:54,249 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 16:09:54,250 INFO L413 NwaCegarLoop]: 5809 mSDtfsCounter, 6434 mSDsluCounter, 5887 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6434 SdHoareTripleChecker+Valid, 11696 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:54,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6434 Valid, 11696 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3369 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:09:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13427 states. [2022-10-16 16:09:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13427 to 13312. [2022-10-16 16:09:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13312 states, 13185 states have (on average 1.392643155100493) internal successors, (18362), 13311 states have internal predecessors, (18362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13312 states to 13312 states and 18362 transitions. [2022-10-16 16:09:55,055 INFO L78 Accepts]: Start accepts. Automaton has 13312 states and 18362 transitions. Word has length 82 [2022-10-16 16:09:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:55,055 INFO L495 AbstractCegarLoop]: Abstraction has 13312 states and 18362 transitions. [2022-10-16 16:09:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 13312 states and 18362 transitions. [2022-10-16 16:09:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:09:55,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:55,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:55,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:09:55,061 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr424ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:55,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:55,061 INFO L85 PathProgramCache]: Analyzing trace with hash 999878730, now seen corresponding path program 1 times [2022-10-16 16:09:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:55,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581912862] [2022-10-16 16:09:55,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:55,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:55,261 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 16:09:55,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:55,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581912862] [2022-10-16 16:09:55,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581912862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:55,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:55,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522664819] [2022-10-16 16:09:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:55,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:55,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:55,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:55,263 INFO L87 Difference]: Start difference. First operand 13312 states and 18362 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:58,776 INFO L93 Difference]: Finished difference Result 14237 states and 19756 transitions. [2022-10-16 16:09:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:58,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:09:58,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:58,794 INFO L225 Difference]: With dead ends: 14237 [2022-10-16 16:09:58,794 INFO L226 Difference]: Without dead ends: 14227 [2022-10-16 16:09:58,798 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 16:09:58,799 INFO L413 NwaCegarLoop]: 6100 mSDtfsCounter, 7454 mSDsluCounter, 9739 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7454 SdHoareTripleChecker+Valid, 15839 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:58,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7454 Valid, 15839 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4162 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:09:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14227 states. [2022-10-16 16:09:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14227 to 14204. [2022-10-16 16:09:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14204 states, 14085 states have (on average 1.4012069577564785) internal successors, (19736), 14203 states have internal predecessors, (19736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14204 states to 14204 states and 19736 transitions. [2022-10-16 16:09:59,687 INFO L78 Accepts]: Start accepts. Automaton has 14204 states and 19736 transitions. Word has length 82 [2022-10-16 16:09:59,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:59,687 INFO L495 AbstractCegarLoop]: Abstraction has 14204 states and 19736 transitions. [2022-10-16 16:09:59,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14204 states and 19736 transitions. [2022-10-16 16:09:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:09:59,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:59,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:59,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:09:59,692 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr443ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:09:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2057420350, now seen corresponding path program 1 times [2022-10-16 16:09:59,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:59,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615751123] [2022-10-16 16:09:59,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:59,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:59,888 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 16:09:59,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:59,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615751123] [2022-10-16 16:09:59,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615751123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:59,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:59,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:59,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784876762] [2022-10-16 16:09:59,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:59,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:59,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:59,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:59,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:59,891 INFO L87 Difference]: Start difference. First operand 14204 states and 19736 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:03,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:03,472 INFO L93 Difference]: Finished difference Result 15033 states and 20960 transitions. [2022-10-16 16:10:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:03,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:10:03,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:03,493 INFO L225 Difference]: With dead ends: 15033 [2022-10-16 16:10:03,493 INFO L226 Difference]: Without dead ends: 15025 [2022-10-16 16:10:03,499 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 16:10:03,499 INFO L413 NwaCegarLoop]: 5441 mSDtfsCounter, 18699 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 3537 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18699 SdHoareTripleChecker+Valid, 11598 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 3537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:03,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18699 Valid, 11598 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 3537 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:10:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15025 states. [2022-10-16 16:10:04,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15025 to 14298. [2022-10-16 16:10:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14298 states, 14185 states have (on average 1.4018329221008108) internal successors, (19885), 14297 states have internal predecessors, (19885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14298 states to 14298 states and 19885 transitions. [2022-10-16 16:10:04,425 INFO L78 Accepts]: Start accepts. Automaton has 14298 states and 19885 transitions. Word has length 82 [2022-10-16 16:10:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:04,425 INFO L495 AbstractCegarLoop]: Abstraction has 14298 states and 19885 transitions. [2022-10-16 16:10:04,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14298 states and 19885 transitions. [2022-10-16 16:10:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:10:04,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:04,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:04,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:10:04,430 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1124ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:04,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1555167231, now seen corresponding path program 1 times [2022-10-16 16:10:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:04,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732726847] [2022-10-16 16:10:04,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:04,647 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 16:10:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:04,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732726847] [2022-10-16 16:10:04,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732726847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:04,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:04,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045879098] [2022-10-16 16:10:04,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:04,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:04,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:04,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:04,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:04,650 INFO L87 Difference]: Start difference. First operand 14298 states and 19885 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:07,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:07,850 INFO L93 Difference]: Finished difference Result 14412 states and 20035 transitions. [2022-10-16 16:10:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:10:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:07,869 INFO L225 Difference]: With dead ends: 14412 [2022-10-16 16:10:07,869 INFO L226 Difference]: Without dead ends: 14396 [2022-10-16 16:10:07,874 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 16:10:07,875 INFO L413 NwaCegarLoop]: 5793 mSDtfsCounter, 13213 mSDsluCounter, 6113 mSDsCounter, 0 mSdLazyCounter, 3383 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13213 SdHoareTripleChecker+Valid, 11906 SdHoareTripleChecker+Invalid, 3451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:07,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13213 Valid, 11906 Invalid, 3451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3383 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:10:07,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14396 states. [2022-10-16 16:10:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14396 to 14384. [2022-10-16 16:10:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14384 states, 14275 states have (on average 1.4023817863397547) internal successors, (20019), 14383 states have internal predecessors, (20019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14384 states to 14384 states and 20019 transitions. [2022-10-16 16:10:08,808 INFO L78 Accepts]: Start accepts. Automaton has 14384 states and 20019 transitions. Word has length 83 [2022-10-16 16:10:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:08,809 INFO L495 AbstractCegarLoop]: Abstraction has 14384 states and 20019 transitions. [2022-10-16 16:10:08,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 14384 states and 20019 transitions. [2022-10-16 16:10:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:10:08,815 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:08,816 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] [2022-10-16 16:10:08,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:10:08,816 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1203ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:08,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1052492738, now seen corresponding path program 1 times [2022-10-16 16:10:08,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:08,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835117243] [2022-10-16 16:10:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:08,981 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 16:10:08,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:08,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835117243] [2022-10-16 16:10:08,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835117243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:08,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:08,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:08,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393470247] [2022-10-16 16:10:08,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:08,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:08,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:08,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:08,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:08,983 INFO L87 Difference]: Start difference. First operand 14384 states and 20019 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:11,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:11,066 INFO L93 Difference]: Finished difference Result 14384 states and 20019 transitions. [2022-10-16 16:10:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:10:11,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:10:11,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:11,085 INFO L225 Difference]: With dead ends: 14384 [2022-10-16 16:10:11,085 INFO L226 Difference]: Without dead ends: 14343 [2022-10-16 16:10:11,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:11,090 INFO L413 NwaCegarLoop]: 6069 mSDtfsCounter, 6539 mSDsluCounter, 6097 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6539 SdHoareTripleChecker+Valid, 12166 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:11,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6539 Valid, 12166 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:10:11,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14343 states. [2022-10-16 16:10:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14343 to 14343. [2022-10-16 16:10:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14343 states, 14275 states have (on average 1.3934851138353765) internal successors, (19892), 14342 states have internal predecessors, (19892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14343 states to 14343 states and 19892 transitions. [2022-10-16 16:10:12,064 INFO L78 Accepts]: Start accepts. Automaton has 14343 states and 19892 transitions. Word has length 83 [2022-10-16 16:10:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:12,064 INFO L495 AbstractCegarLoop]: Abstraction has 14343 states and 19892 transitions. [2022-10-16 16:10:12,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 14343 states and 19892 transitions. [2022-10-16 16:10:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:10:12,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:12,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:12,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:10:12,069 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr425ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash 931474074, now seen corresponding path program 1 times [2022-10-16 16:10:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:12,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458283055] [2022-10-16 16:10:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:12,261 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 16:10:12,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:12,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458283055] [2022-10-16 16:10:12,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458283055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:12,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:12,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:12,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64707144] [2022-10-16 16:10:12,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:12,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:12,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:12,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:12,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:12,264 INFO L87 Difference]: Start difference. First operand 14343 states and 19892 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:15,241 INFO L93 Difference]: Finished difference Result 14357 states and 19892 transitions. [2022-10-16 16:10:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:10:15,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:10:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:15,257 INFO L225 Difference]: With dead ends: 14357 [2022-10-16 16:10:15,258 INFO L226 Difference]: Without dead ends: 14347 [2022-10-16 16:10:15,261 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 16:10:15,262 INFO L413 NwaCegarLoop]: 5881 mSDtfsCounter, 7262 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7262 SdHoareTripleChecker+Valid, 11025 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:15,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7262 Valid, 11025 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:10:15,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14347 states. [2022-10-16 16:10:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14347 to 13935. [2022-10-16 16:10:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13935 states, 13875 states have (on average 1.386954954954955) internal successors, (19244), 13934 states have internal predecessors, (19244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13935 states to 13935 states and 19244 transitions. [2022-10-16 16:10:16,241 INFO L78 Accepts]: Start accepts. Automaton has 13935 states and 19244 transitions. Word has length 83 [2022-10-16 16:10:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:16,241 INFO L495 AbstractCegarLoop]: Abstraction has 13935 states and 19244 transitions. [2022-10-16 16:10:16,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 13935 states and 19244 transitions. [2022-10-16 16:10:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:10:16,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:16,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:16,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:10:16,250 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:16,250 INFO L85 PathProgramCache]: Analyzing trace with hash 304521133, now seen corresponding path program 1 times [2022-10-16 16:10:16,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:16,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269020276] [2022-10-16 16:10:16,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:16,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269020276] [2022-10-16 16:10:16,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269020276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:16,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:16,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:16,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594223347] [2022-10-16 16:10:16,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:16,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:16,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:16,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:16,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:16,457 INFO L87 Difference]: Start difference. First operand 13935 states and 19244 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:20,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:20,000 INFO L93 Difference]: Finished difference Result 14549 states and 20154 transitions. [2022-10-16 16:10:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:10:20,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:10:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:20,016 INFO L225 Difference]: With dead ends: 14549 [2022-10-16 16:10:20,016 INFO L226 Difference]: Without dead ends: 14543 [2022-10-16 16:10:20,019 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 16:10:20,019 INFO L413 NwaCegarLoop]: 5773 mSDtfsCounter, 6210 mSDsluCounter, 9432 mSDsCounter, 0 mSdLazyCounter, 4230 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6210 SdHoareTripleChecker+Valid, 15205 SdHoareTripleChecker+Invalid, 4261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:20,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6210 Valid, 15205 Invalid, 4261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4230 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:10:20,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14543 states. [2022-10-16 16:10:20,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14543 to 14531. [2022-10-16 16:10:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14531 states, 14475 states have (on average 1.3906735751295336) internal successors, (20130), 14530 states have internal predecessors, (20130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14531 states to 14531 states and 20130 transitions. [2022-10-16 16:10:20,963 INFO L78 Accepts]: Start accepts. Automaton has 14531 states and 20130 transitions. Word has length 83 [2022-10-16 16:10:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:20,963 INFO L495 AbstractCegarLoop]: Abstraction has 14531 states and 20130 transitions. [2022-10-16 16:10:20,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 14531 states and 20130 transitions. [2022-10-16 16:10:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:10:20,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:20,968 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] [2022-10-16 16:10:20,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:10:20,969 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr678ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:20,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1046600152, now seen corresponding path program 1 times [2022-10-16 16:10:20,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:20,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607724480] [2022-10-16 16:10:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:21,240 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 16:10:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:21,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607724480] [2022-10-16 16:10:21,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607724480] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:21,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:21,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157291500] [2022-10-16 16:10:21,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:21,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:21,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:21,244 INFO L87 Difference]: Start difference. First operand 14531 states and 20130 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:24,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:24,361 INFO L93 Difference]: Finished difference Result 14641 states and 20279 transitions. [2022-10-16 16:10:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:24,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:10:24,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:24,384 INFO L225 Difference]: With dead ends: 14641 [2022-10-16 16:10:24,384 INFO L226 Difference]: Without dead ends: 14632 [2022-10-16 16:10:24,389 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 16:10:24,389 INFO L413 NwaCegarLoop]: 5765 mSDtfsCounter, 11446 mSDsluCounter, 6500 mSDsCounter, 0 mSdLazyCounter, 3366 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11446 SdHoareTripleChecker+Valid, 12265 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 3366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:24,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11446 Valid, 12265 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 3366 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:10:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14632 states. [2022-10-16 16:10:25,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14632 to 14624. [2022-10-16 16:10:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14624 states, 14570 states have (on average 1.3910775566231983) internal successors, (20268), 14623 states have internal predecessors, (20268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14624 states to 14624 states and 20268 transitions. [2022-10-16 16:10:25,404 INFO L78 Accepts]: Start accepts. Automaton has 14624 states and 20268 transitions. Word has length 84 [2022-10-16 16:10:25,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:25,404 INFO L495 AbstractCegarLoop]: Abstraction has 14624 states and 20268 transitions. [2022-10-16 16:10:25,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 14624 states and 20268 transitions. [2022-10-16 16:10:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:10:25,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:25,409 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] [2022-10-16 16:10:25,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:10:25,409 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr714ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:25,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash -876429189, now seen corresponding path program 1 times [2022-10-16 16:10:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:25,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108818475] [2022-10-16 16:10:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:25,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108818475] [2022-10-16 16:10:25,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108818475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:25,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:25,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334572118] [2022-10-16 16:10:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:25,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:25,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:25,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:25,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:25,612 INFO L87 Difference]: Start difference. First operand 14624 states and 20268 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:28,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:28,917 INFO L93 Difference]: Finished difference Result 15240 states and 21172 transitions. [2022-10-16 16:10:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:28,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:10:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:28,937 INFO L225 Difference]: With dead ends: 15240 [2022-10-16 16:10:28,937 INFO L226 Difference]: Without dead ends: 15236 [2022-10-16 16:10:28,942 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 16:10:28,943 INFO L413 NwaCegarLoop]: 5736 mSDtfsCounter, 13085 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 3331 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13085 SdHoareTripleChecker+Valid, 11750 SdHoareTripleChecker+Invalid, 3396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:28,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13085 Valid, 11750 Invalid, 3396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 3331 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:10:28,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15236 states. [2022-10-16 16:10:29,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15236 to 15222. [2022-10-16 16:10:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15222 states, 15170 states have (on average 1.3949901120632828) internal successors, (21162), 15221 states have internal predecessors, (21162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15222 states to 15222 states and 21162 transitions. [2022-10-16 16:10:30,015 INFO L78 Accepts]: Start accepts. Automaton has 15222 states and 21162 transitions. Word has length 84 [2022-10-16 16:10:30,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:30,015 INFO L495 AbstractCegarLoop]: Abstraction has 15222 states and 21162 transitions. [2022-10-16 16:10:30,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 15222 states and 21162 transitions. [2022-10-16 16:10:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:10:30,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:30,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:30,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:10:30,021 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr426ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1189070260, now seen corresponding path program 1 times [2022-10-16 16:10:30,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:30,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243582970] [2022-10-16 16:10:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:30,221 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 16:10:30,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:30,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243582970] [2022-10-16 16:10:30,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243582970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:30,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:30,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:30,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865413183] [2022-10-16 16:10:30,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:30,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:30,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:30,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:30,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:30,224 INFO L87 Difference]: Start difference. First operand 15222 states and 21162 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:34,118 INFO L93 Difference]: Finished difference Result 15846 states and 22074 transitions. [2022-10-16 16:10:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:34,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:10:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:34,139 INFO L225 Difference]: With dead ends: 15846 [2022-10-16 16:10:34,140 INFO L226 Difference]: Without dead ends: 15840 [2022-10-16 16:10:34,145 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 16:10:34,145 INFO L413 NwaCegarLoop]: 6053 mSDtfsCounter, 13678 mSDsluCounter, 9656 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13678 SdHoareTripleChecker+Valid, 15709 SdHoareTripleChecker+Invalid, 4074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:34,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13678 Valid, 15709 Invalid, 4074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:10:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15840 states. [2022-10-16 16:10:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15840 to 15818. [2022-10-16 16:10:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15818 states, 15770 states have (on average 1.398985415345593) internal successors, (22062), 15817 states have internal predecessors, (22062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15818 states to 15818 states and 22062 transitions. [2022-10-16 16:10:35,302 INFO L78 Accepts]: Start accepts. Automaton has 15818 states and 22062 transitions. Word has length 84 [2022-10-16 16:10:35,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:35,303 INFO L495 AbstractCegarLoop]: Abstraction has 15818 states and 22062 transitions. [2022-10-16 16:10:35,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 15818 states and 22062 transitions. [2022-10-16 16:10:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:10:35,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:35,307 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] [2022-10-16 16:10:35,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:10:35,308 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr262ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 361176226, now seen corresponding path program 1 times [2022-10-16 16:10:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:35,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82142404] [2022-10-16 16:10:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:35,505 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 16:10:35,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:35,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82142404] [2022-10-16 16:10:35,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82142404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:35,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:35,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867298741] [2022-10-16 16:10:35,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:35,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:35,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:35,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:35,508 INFO L87 Difference]: Start difference. First operand 15818 states and 22062 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:39,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:39,735 INFO L93 Difference]: Finished difference Result 15928 states and 22211 transitions. [2022-10-16 16:10:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:39,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:10:39,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:39,757 INFO L225 Difference]: With dead ends: 15928 [2022-10-16 16:10:39,757 INFO L226 Difference]: Without dead ends: 15924 [2022-10-16 16:10:39,762 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 16:10:39,763 INFO L413 NwaCegarLoop]: 5769 mSDtfsCounter, 11604 mSDsluCounter, 11425 mSDsCounter, 0 mSdLazyCounter, 4968 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11604 SdHoareTripleChecker+Valid, 17194 SdHoareTripleChecker+Invalid, 4996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:39,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11604 Valid, 17194 Invalid, 4996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4968 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 16:10:39,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15924 states. [2022-10-16 16:10:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15924 to 15916. [2022-10-16 16:10:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15916 states, 15870 states have (on average 1.3991808443604286) internal successors, (22205), 15915 states have internal predecessors, (22205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15916 states to 15916 states and 22205 transitions. [2022-10-16 16:10:40,911 INFO L78 Accepts]: Start accepts. Automaton has 15916 states and 22205 transitions. Word has length 84 [2022-10-16 16:10:40,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:40,911 INFO L495 AbstractCegarLoop]: Abstraction has 15916 states and 22205 transitions. [2022-10-16 16:10:40,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 15916 states and 22205 transitions. [2022-10-16 16:10:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:10:40,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:40,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:40,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:10:40,917 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr715ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:40,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1399493749, now seen corresponding path program 1 times [2022-10-16 16:10:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:40,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704070262] [2022-10-16 16:10:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:40,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:41,123 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 16:10:41,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:41,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704070262] [2022-10-16 16:10:41,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704070262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:41,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:41,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:41,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874223600] [2022-10-16 16:10:41,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:41,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:41,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:41,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:41,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:41,126 INFO L87 Difference]: Start difference. First operand 15916 states and 22205 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:44,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:44,968 INFO L93 Difference]: Finished difference Result 24972 states and 35980 transitions. [2022-10-16 16:10:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:44,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:10:44,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:44,996 INFO L225 Difference]: With dead ends: 24972 [2022-10-16 16:10:44,996 INFO L226 Difference]: Without dead ends: 19847 [2022-10-16 16:10:45,008 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 16:10:45,009 INFO L413 NwaCegarLoop]: 5516 mSDtfsCounter, 13241 mSDsluCounter, 5819 mSDsCounter, 0 mSdLazyCounter, 3435 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13241 SdHoareTripleChecker+Valid, 11335 SdHoareTripleChecker+Invalid, 3567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:45,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13241 Valid, 11335 Invalid, 3567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3435 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:10:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19847 states. [2022-10-16 16:10:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19847 to 18614. [2022-10-16 16:10:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18614 states, 18573 states have (on average 1.4195337317611587) internal successors, (26365), 18613 states have internal predecessors, (26365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18614 states to 18614 states and 26365 transitions. [2022-10-16 16:10:46,383 INFO L78 Accepts]: Start accepts. Automaton has 18614 states and 26365 transitions. Word has length 85 [2022-10-16 16:10:46,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:46,384 INFO L495 AbstractCegarLoop]: Abstraction has 18614 states and 26365 transitions. [2022-10-16 16:10:46,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 18614 states and 26365 transitions. [2022-10-16 16:10:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:10:46,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:46,391 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] [2022-10-16 16:10:46,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:10:46,391 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr427ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:46,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:46,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1793532124, now seen corresponding path program 1 times [2022-10-16 16:10:46,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:46,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721910606] [2022-10-16 16:10:46,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:46,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:46,603 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 16:10:46,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:46,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721910606] [2022-10-16 16:10:46,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721910606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:46,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:46,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:46,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045290766] [2022-10-16 16:10:46,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:46,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:46,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:46,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:46,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:46,606 INFO L87 Difference]: Start difference. First operand 18614 states and 26365 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:50,296 INFO L93 Difference]: Finished difference Result 25587 states and 36900 transitions. [2022-10-16 16:10:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:50,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:10:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:50,324 INFO L225 Difference]: With dead ends: 25587 [2022-10-16 16:10:50,324 INFO L226 Difference]: Without dead ends: 20330 [2022-10-16 16:10:50,336 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 16:10:50,337 INFO L413 NwaCegarLoop]: 5902 mSDtfsCounter, 14512 mSDsluCounter, 5309 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14512 SdHoareTripleChecker+Valid, 11211 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:50,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14512 Valid, 11211 Invalid, 2864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:10:50,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20330 states. [2022-10-16 16:10:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20330 to 19705. [2022-10-16 16:10:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19705 states, 19674 states have (on average 1.4259936972654264) internal successors, (28055), 19704 states have internal predecessors, (28055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19705 states to 19705 states and 28055 transitions. [2022-10-16 16:10:52,014 INFO L78 Accepts]: Start accepts. Automaton has 19705 states and 28055 transitions. Word has length 85 [2022-10-16 16:10:52,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:52,014 INFO L495 AbstractCegarLoop]: Abstraction has 19705 states and 28055 transitions. [2022-10-16 16:10:52,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 19705 states and 28055 transitions. [2022-10-16 16:10:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:10:52,020 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:52,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:52,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:10:52,020 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:52,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:52,021 INFO L85 PathProgramCache]: Analyzing trace with hash 587069615, now seen corresponding path program 1 times [2022-10-16 16:10:52,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:52,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607133829] [2022-10-16 16:10:52,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:52,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:52,245 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 16:10:52,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:52,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607133829] [2022-10-16 16:10:52,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607133829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:52,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:52,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582608148] [2022-10-16 16:10:52,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:52,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:52,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:52,248 INFO L87 Difference]: Start difference. First operand 19705 states and 28055 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:56,190 INFO L93 Difference]: Finished difference Result 20321 states and 28959 transitions. [2022-10-16 16:10:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:56,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:10:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:56,215 INFO L225 Difference]: With dead ends: 20321 [2022-10-16 16:10:56,215 INFO L226 Difference]: Without dead ends: 20317 [2022-10-16 16:10:56,221 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 16:10:56,221 INFO L413 NwaCegarLoop]: 5697 mSDtfsCounter, 11289 mSDsluCounter, 7454 mSDsCounter, 0 mSdLazyCounter, 3622 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11289 SdHoareTripleChecker+Valid, 13151 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:56,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11289 Valid, 13151 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 3622 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:10:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20317 states. [2022-10-16 16:10:57,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20317 to 20303. [2022-10-16 16:10:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20303 states, 20274 states have (on average 1.4278879352865739) internal successors, (28949), 20302 states have internal predecessors, (28949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20303 states to 20303 states and 28949 transitions. [2022-10-16 16:10:57,829 INFO L78 Accepts]: Start accepts. Automaton has 20303 states and 28949 transitions. Word has length 85 [2022-10-16 16:10:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:57,829 INFO L495 AbstractCegarLoop]: Abstraction has 20303 states and 28949 transitions. [2022-10-16 16:10:57,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20303 states and 28949 transitions. [2022-10-16 16:10:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:10:57,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:57,834 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] [2022-10-16 16:10:57,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:10:57,835 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:10:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:57,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1019290039, now seen corresponding path program 1 times [2022-10-16 16:10:57,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:57,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703490634] [2022-10-16 16:10:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:57,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:58,040 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 16:10:58,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:58,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703490634] [2022-10-16 16:10:58,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703490634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:58,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:58,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:58,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131124439] [2022-10-16 16:10:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:58,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:58,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:58,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:58,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:58,043 INFO L87 Difference]: Start difference. First operand 20303 states and 28949 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:02,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:02,886 INFO L93 Difference]: Finished difference Result 33149 states and 48458 transitions. [2022-10-16 16:11:02,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:02,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:11:02,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:02,918 INFO L225 Difference]: With dead ends: 33149 [2022-10-16 16:11:02,918 INFO L226 Difference]: Without dead ends: 23226 [2022-10-16 16:11:02,932 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 16:11:02,933 INFO L413 NwaCegarLoop]: 5464 mSDtfsCounter, 12891 mSDsluCounter, 9355 mSDsCounter, 0 mSdLazyCounter, 4421 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12891 SdHoareTripleChecker+Valid, 14819 SdHoareTripleChecker+Invalid, 4539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:02,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12891 Valid, 14819 Invalid, 4539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4421 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 16:11:02,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23226 states. [2022-10-16 16:11:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23226 to 22779. [2022-10-16 16:11:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22779 states, 22753 states have (on average 1.437656572759636) internal successors, (32711), 22778 states have internal predecessors, (32711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 32711 transitions. [2022-10-16 16:11:04,858 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 32711 transitions. Word has length 86 [2022-10-16 16:11:04,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:04,858 INFO L495 AbstractCegarLoop]: Abstraction has 22779 states and 32711 transitions. [2022-10-16 16:11:04,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 32711 transitions. [2022-10-16 16:11:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:11:04,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:04,863 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] [2022-10-16 16:11:04,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:11:04,864 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:04,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1275052127, now seen corresponding path program 1 times [2022-10-16 16:11:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:04,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899459396] [2022-10-16 16:11:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:05,051 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 16:11:05,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:05,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899459396] [2022-10-16 16:11:05,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899459396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:05,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:05,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:05,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167510779] [2022-10-16 16:11:05,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:05,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:05,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:05,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:05,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:05,054 INFO L87 Difference]: Start difference. First operand 22779 states and 32711 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:09,277 INFO L93 Difference]: Finished difference Result 26533 states and 38373 transitions. [2022-10-16 16:11:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:11:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:11:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:09,311 INFO L225 Difference]: With dead ends: 26533 [2022-10-16 16:11:09,312 INFO L226 Difference]: Without dead ends: 26527 [2022-10-16 16:11:09,320 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 16:11:09,320 INFO L413 NwaCegarLoop]: 6844 mSDtfsCounter, 1520 mSDsluCounter, 9626 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 16470 SdHoareTripleChecker+Invalid, 3125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:09,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 16470 Invalid, 3125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:11:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26527 states. [2022-10-16 16:11:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26527 to 25775. [2022-10-16 16:11:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25775 states, 25753 states have (on average 1.442705704189803) internal successors, (37154), 25774 states have internal predecessors, (37154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25775 states to 25775 states and 37154 transitions. [2022-10-16 16:11:11,619 INFO L78 Accepts]: Start accepts. Automaton has 25775 states and 37154 transitions. Word has length 86 [2022-10-16 16:11:11,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:11,619 INFO L495 AbstractCegarLoop]: Abstraction has 25775 states and 37154 transitions. [2022-10-16 16:11:11,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 25775 states and 37154 transitions. [2022-10-16 16:11:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:11:11,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:11,624 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] [2022-10-16 16:11:11,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:11:11,624 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr656ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:11,625 INFO L85 PathProgramCache]: Analyzing trace with hash -293753105, now seen corresponding path program 1 times [2022-10-16 16:11:11,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:11,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228388504] [2022-10-16 16:11:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:11,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:11,833 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 16:11:11,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:11,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228388504] [2022-10-16 16:11:11,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228388504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:11,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:11,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:11,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036734365] [2022-10-16 16:11:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:11,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:11,836 INFO L87 Difference]: Start difference. First operand 25775 states and 37154 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:16,568 INFO L93 Difference]: Finished difference Result 26061 states and 37565 transitions. [2022-10-16 16:11:16,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:16,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:11:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:16,600 INFO L225 Difference]: With dead ends: 26061 [2022-10-16 16:11:16,600 INFO L226 Difference]: Without dead ends: 26059 [2022-10-16 16:11:16,606 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 16:11:16,607 INFO L413 NwaCegarLoop]: 5731 mSDtfsCounter, 7241 mSDsluCounter, 9497 mSDsCounter, 0 mSdLazyCounter, 4197 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7241 SdHoareTripleChecker+Valid, 15228 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:16,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7241 Valid, 15228 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4197 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 16:11:16,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26059 states. [2022-10-16 16:11:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26059 to 25866. [2022-10-16 16:11:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25866 states, 25845 states have (on average 1.4426388082801316) internal successors, (37285), 25865 states have internal predecessors, (37285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25866 states to 25866 states and 37285 transitions. [2022-10-16 16:11:18,835 INFO L78 Accepts]: Start accepts. Automaton has 25866 states and 37285 transitions. Word has length 87 [2022-10-16 16:11:18,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:18,835 INFO L495 AbstractCegarLoop]: Abstraction has 25866 states and 37285 transitions. [2022-10-16 16:11:18,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 25866 states and 37285 transitions. [2022-10-16 16:11:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:11:18,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:18,841 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] [2022-10-16 16:11:18,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:11:18,842 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr240ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:18,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:18,842 INFO L85 PathProgramCache]: Analyzing trace with hash -652609314, now seen corresponding path program 1 times [2022-10-16 16:11:18,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:18,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481980568] [2022-10-16 16:11:18,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:19,049 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 16:11:19,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:19,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481980568] [2022-10-16 16:11:19,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481980568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:19,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:19,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:19,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685343689] [2022-10-16 16:11:19,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:19,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:19,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:19,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:19,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:19,052 INFO L87 Difference]: Start difference. First operand 25866 states and 37285 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:23,980 INFO L93 Difference]: Finished difference Result 26892 states and 38792 transitions. [2022-10-16 16:11:23,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:23,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:11:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:24,016 INFO L225 Difference]: With dead ends: 26892 [2022-10-16 16:11:24,016 INFO L226 Difference]: Without dead ends: 26889 [2022-10-16 16:11:24,025 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 16:11:24,025 INFO L413 NwaCegarLoop]: 6065 mSDtfsCounter, 6698 mSDsluCounter, 10842 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6698 SdHoareTripleChecker+Valid, 16907 SdHoareTripleChecker+Invalid, 4410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:24,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6698 Valid, 16907 Invalid, 4410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:11:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26889 states. [2022-10-16 16:11:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26889 to 26692. [2022-10-16 16:11:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26692 states, 26673 states have (on average 1.443782101750834) internal successors, (38510), 26691 states have internal predecessors, (38510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 38510 transitions. [2022-10-16 16:11:26,482 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 38510 transitions. Word has length 87 [2022-10-16 16:11:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:26,483 INFO L495 AbstractCegarLoop]: Abstraction has 26692 states and 38510 transitions. [2022-10-16 16:11:26,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 38510 transitions. [2022-10-16 16:11:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:11:26,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:26,488 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] [2022-10-16 16:11:26,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:11:26,488 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:26,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1359105954, now seen corresponding path program 1 times [2022-10-16 16:11:26,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:26,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195821926] [2022-10-16 16:11:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:26,686 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 16:11:26,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:26,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195821926] [2022-10-16 16:11:26,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195821926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:26,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:26,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:26,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956456058] [2022-10-16 16:11:26,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:26,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:26,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:26,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:26,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:26,689 INFO L87 Difference]: Start difference. First operand 26692 states and 38510 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:31,515 INFO L93 Difference]: Finished difference Result 26978 states and 38921 transitions. [2022-10-16 16:11:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:31,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:11:31,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:31,551 INFO L225 Difference]: With dead ends: 26978 [2022-10-16 16:11:31,552 INFO L226 Difference]: Without dead ends: 26976 [2022-10-16 16:11:31,560 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 16:11:31,560 INFO L413 NwaCegarLoop]: 5765 mSDtfsCounter, 6256 mSDsluCounter, 9516 mSDsCounter, 0 mSdLazyCounter, 4143 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6256 SdHoareTripleChecker+Valid, 15281 SdHoareTripleChecker+Invalid, 4171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:31,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6256 Valid, 15281 Invalid, 4171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4143 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 16:11:31,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26976 states. [2022-10-16 16:11:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26976 to 26783. [2022-10-16 16:11:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26783 states, 26765 states have (on average 1.443751167569587) internal successors, (38642), 26782 states have internal predecessors, (38642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26783 states to 26783 states and 38642 transitions. [2022-10-16 16:11:34,062 INFO L78 Accepts]: Start accepts. Automaton has 26783 states and 38642 transitions. Word has length 88 [2022-10-16 16:11:34,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:34,062 INFO L495 AbstractCegarLoop]: Abstraction has 26783 states and 38642 transitions. [2022-10-16 16:11:34,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 26783 states and 38642 transitions. [2022-10-16 16:11:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:11:34,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:34,068 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] [2022-10-16 16:11:34,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:11:34,068 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:34,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:34,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1259445921, now seen corresponding path program 1 times [2022-10-16 16:11:34,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:34,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010496576] [2022-10-16 16:11:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:34,271 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 16:11:34,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:34,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010496576] [2022-10-16 16:11:34,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010496576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:34,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:34,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273306246] [2022-10-16 16:11:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:34,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:34,274 INFO L87 Difference]: Start difference. First operand 26783 states and 38642 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:38,559 INFO L93 Difference]: Finished difference Result 29961 states and 43410 transitions. [2022-10-16 16:11:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:38,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:11:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:38,598 INFO L225 Difference]: With dead ends: 29961 [2022-10-16 16:11:38,598 INFO L226 Difference]: Without dead ends: 29955 [2022-10-16 16:11:38,606 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 16:11:38,607 INFO L413 NwaCegarLoop]: 6366 mSDtfsCounter, 6812 mSDsluCounter, 6600 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6812 SdHoareTripleChecker+Valid, 12966 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:38,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6812 Valid, 12966 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:11:38,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29955 states. [2022-10-16 16:11:41,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29955 to 29931. [2022-10-16 16:11:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29931 states, 29917 states have (on average 1.4500785506568172) internal successors, (43382), 29930 states have internal predecessors, (43382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29931 states to 29931 states and 43382 transitions. [2022-10-16 16:11:41,219 INFO L78 Accepts]: Start accepts. Automaton has 29931 states and 43382 transitions. Word has length 88 [2022-10-16 16:11:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:41,220 INFO L495 AbstractCegarLoop]: Abstraction has 29931 states and 43382 transitions. [2022-10-16 16:11:41,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29931 states and 43382 transitions. [2022-10-16 16:11:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:11:41,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:41,225 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] [2022-10-16 16:11:41,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:11:41,225 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1971 more)] === [2022-10-16 16:11:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash 388118867, now seen corresponding path program 1 times [2022-10-16 16:11:41,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:41,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505978421] [2022-10-16 16:11:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:41,428 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 16:11:41,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:41,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505978421] [2022-10-16 16:11:41,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505978421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:41,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:41,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:41,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557032135] [2022-10-16 16:11:41,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:41,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:41,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:41,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:41,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:41,430 INFO L87 Difference]: Start difference. First operand 29931 states and 43382 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)