/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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:17:08,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:17:08,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:17:08,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:17:08,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:17:08,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:17:08,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:17:08,972 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 [2022-10-15 22:17:09,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:17:09,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:17:09,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:17:09,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:17:09,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:17:09,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:17:09,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:17:09,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:17:09,042 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:17:09,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:17:09,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:17:09,044 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:17:09,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:17:09,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:17:09,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:17:09,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:17:09,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:17:09,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:17:09,046 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:17:09,046 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:17:09,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:17:09,047 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:17:09,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:17:09,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:17:09,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:17:09,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:17:09,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:09,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:17:09,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:17:09,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:17:09,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:17:09,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:17:09,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:17:09,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:17:09,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:17:09,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:17:09,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:17:09,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:17:09,571 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:17:09,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:17:09,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9292624/29ccacefa1954a989631b0a868325875/FLAG7201dfd5a [2022-10-15 22:17:10,504 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:17:10,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:17:10,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9292624/29ccacefa1954a989631b0a868325875/FLAG7201dfd5a [2022-10-15 22:17:10,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9292624/29ccacefa1954a989631b0a868325875 [2022-10-15 22:17:10,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:17:10,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:17:10,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:10,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:17:10,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:17:10,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:10" (1/1) ... [2022-10-15 22:17:10,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a421e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:10, skipping insertion in model container [2022-10-15 22:17:10,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:10" (1/1) ... [2022-10-15 22:17:10,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:17:10,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:17:11,203 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2022-10-15 22:17:11,247 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2022-10-15 22:17:11,263 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2022-10-15 22:17:11,281 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2022-10-15 22:17:11,301 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2022-10-15 22:17:11,314 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2022-10-15 22:17:11,322 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2022-10-15 22:17:11,336 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2022-10-15 22:17:11,341 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2022-10-15 22:17:11,348 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2022-10-15 22:17:11,360 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2022-10-15 22:17:11,385 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2022-10-15 22:17:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2022-10-15 22:17:11,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2022-10-15 22:17:11,420 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2022-10-15 22:17:11,459 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2022-10-15 22:17:11,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:11,734 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:17:11,808 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2022-10-15 22:17:11,821 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2022-10-15 22:17:11,828 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2022-10-15 22:17:11,832 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2022-10-15 22:17:11,840 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2022-10-15 22:17:11,844 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2022-10-15 22:17:11,850 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2022-10-15 22:17:11,860 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2022-10-15 22:17:11,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2022-10-15 22:17:11,869 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2022-10-15 22:17:11,904 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2022-10-15 22:17:11,920 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2022-10-15 22:17:11,929 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2022-10-15 22:17:11,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2022-10-15 22:17:11,946 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2022-10-15 22:17:11,959 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2022-10-15 22:17:12,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:12,133 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:17:12,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12 WrapperNode [2022-10-15 22:17:12,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:12,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:12,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:17:12,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:17:12,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,379 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4138 [2022-10-15 22:17:12,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:12,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:17:12,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:17:12,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:17:12,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:17:12,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:17:12,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:17:12,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:17:12,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (1/1) ... [2022-10-15 22:17:12,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:12,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:17:12,608 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) [2022-10-15 22:17:12,618 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 [2022-10-15 22:17:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:17:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:17:12,977 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:17:12,987 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:17:16,403 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:17:16,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:17:16,471 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:17:16,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:16 BoogieIcfgContainer [2022-10-15 22:17:16,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:17:16,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:17:16,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:17:16,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:17:16,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:17:10" (1/3) ... [2022-10-15 22:17:16,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9181c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:16, skipping insertion in model container [2022-10-15 22:17:16,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:12" (2/3) ... [2022-10-15 22:17:16,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9181c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:16, skipping insertion in model container [2022-10-15 22:17:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:16" (3/3) ... [2022-10-15 22:17:16,491 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:17:16,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:17:16,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 796 error locations. [2022-10-15 22:17:16,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:17:16,640 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;@2552e37e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:17:16,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 796 error locations. [2022-10-15 22:17:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 2185 states, 1388 states have (on average 1.9351585014409223) internal successors, (2686), 2184 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:16,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:17:16,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:16,679 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] [2022-10-15 22:17:16,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr780ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1189311287, now seen corresponding path program 1 times [2022-10-15 22:17:16,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:16,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203881925] [2022-10-15 22:17:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:17,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:17,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203881925] [2022-10-15 22:17:17,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203881925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:17,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:17,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429515759] [2022-10-15 22:17:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:17,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:17,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:17,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:17,410 INFO L87 Difference]: Start difference. First operand has 2185 states, 1388 states have (on average 1.9351585014409223) internal successors, (2686), 2184 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:19,739 INFO L93 Difference]: Finished difference Result 2413 states and 2992 transitions. [2022-10-15 22:17:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:19,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-15 22:17:19,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:19,786 INFO L225 Difference]: With dead ends: 2413 [2022-10-15 22:17:19,786 INFO L226 Difference]: Without dead ends: 2300 [2022-10-15 22:17:19,795 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 [2022-10-15 22:17:19,807 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 4228 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4228 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:19,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4228 Valid, 1938 Invalid, 2372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 22:17:19,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2022-10-15 22:17:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2171. [2022-10-15 22:17:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1455 states have (on average 1.6350515463917525) internal successors, (2379), 2170 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2379 transitions. [2022-10-15 22:17:20,032 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2379 transitions. Word has length 45 [2022-10-15 22:17:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:20,033 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2379 transitions. [2022-10-15 22:17:20,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2379 transitions. [2022-10-15 22:17:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 22:17:20,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:20,038 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] [2022-10-15 22:17:20,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:17:20,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr781ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:20,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:20,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1786059960, now seen corresponding path program 1 times [2022-10-15 22:17:20,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:20,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339766990] [2022-10-15 22:17:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:20,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339766990] [2022-10-15 22:17:20,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339766990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:20,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:20,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:20,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394535141] [2022-10-15 22:17:20,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:20,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:20,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:20,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:20,293 INFO L87 Difference]: Start difference. First operand 2171 states and 2379 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:21,925 INFO L93 Difference]: Finished difference Result 2279 states and 2526 transitions. [2022-10-15 22:17:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:21,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-15 22:17:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:21,935 INFO L225 Difference]: With dead ends: 2279 [2022-10-15 22:17:21,935 INFO L226 Difference]: Without dead ends: 2188 [2022-10-15 22:17:21,936 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 [2022-10-15 22:17:21,938 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 4081 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4081 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:21,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4081 Valid, 901 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:17:21,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-10-15 22:17:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2170. [2022-10-15 22:17:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2170 states, 1542 states have (on average 1.577172503242542) internal successors, (2432), 2169 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 2432 transitions. [2022-10-15 22:17:22,001 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 2432 transitions. Word has length 46 [2022-10-15 22:17:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:22,002 INFO L495 AbstractCegarLoop]: Abstraction has 2170 states and 2432 transitions. [2022-10-15 22:17:22,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2432 transitions. [2022-10-15 22:17:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 22:17:22,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:22,005 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] [2022-10-15 22:17:22,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:17:22,005 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr782ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:22,006 INFO L85 PathProgramCache]: Analyzing trace with hash -466711893, now seen corresponding path program 1 times [2022-10-15 22:17:22,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:22,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28478079] [2022-10-15 22:17:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:22,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:22,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28478079] [2022-10-15 22:17:22,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28478079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:22,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:22,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:22,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807371646] [2022-10-15 22:17:22,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:22,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:22,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:22,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:22,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:22,149 INFO L87 Difference]: Start difference. First operand 2170 states and 2432 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-15 22:17:24,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:24,155 INFO L93 Difference]: Finished difference Result 2398 states and 2717 transitions. [2022-10-15 22:17:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:17:24,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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 [2022-10-15 22:17:24,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:24,167 INFO L225 Difference]: With dead ends: 2398 [2022-10-15 22:17:24,168 INFO L226 Difference]: Without dead ends: 2324 [2022-10-15 22:17:24,169 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 [2022-10-15 22:17:24,171 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 4742 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:24,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 2127 Invalid, 2645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:17:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2022-10-15 22:17:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2186. [2022-10-15 22:17:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 1629 states have (on average 1.5340699815837937) internal successors, (2499), 2185 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 2499 transitions. [2022-10-15 22:17:24,255 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 2499 transitions. Word has length 47 [2022-10-15 22:17:24,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:24,256 INFO L495 AbstractCegarLoop]: Abstraction has 2186 states and 2499 transitions. [2022-10-15 22:17:24,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-15 22:17:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2499 transitions. [2022-10-15 22:17:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:17:24,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:24,259 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] [2022-10-15 22:17:24,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:17:24,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr783ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:24,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:24,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1583162598, now seen corresponding path program 1 times [2022-10-15 22:17:24,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:24,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642279279] [2022-10-15 22:17:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:24,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:24,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642279279] [2022-10-15 22:17:24,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642279279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:24,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:24,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:24,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627723001] [2022-10-15 22:17:24,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:24,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:24,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:24,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:24,399 INFO L87 Difference]: Start difference. First operand 2186 states and 2499 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 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) [2022-10-15 22:17:26,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:26,084 INFO L93 Difference]: Finished difference Result 2309 states and 2643 transitions. [2022-10-15 22:17:26,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:26,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 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 [2022-10-15 22:17:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:26,097 INFO L225 Difference]: With dead ends: 2309 [2022-10-15 22:17:26,097 INFO L226 Difference]: Without dead ends: 2226 [2022-10-15 22:17:26,098 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 [2022-10-15 22:17:26,103 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 5537 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5537 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:26,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5537 Valid, 1228 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:17:26,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-10-15 22:17:26,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2193. [2022-10-15 22:17:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 1716 states have (on average 1.4883449883449884) internal successors, (2554), 2192 states have internal predecessors, (2554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 2554 transitions. [2022-10-15 22:17:26,184 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 2554 transitions. Word has length 48 [2022-10-15 22:17:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:26,184 INFO L495 AbstractCegarLoop]: Abstraction has 2193 states and 2554 transitions. [2022-10-15 22:17:26,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 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) [2022-10-15 22:17:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2554 transitions. [2022-10-15 22:17:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:17:26,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:26,190 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] [2022-10-15 22:17:26,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:17:26,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr784ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:26,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1833396083, now seen corresponding path program 1 times [2022-10-15 22:17:26,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:26,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257627044] [2022-10-15 22:17:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:26,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:26,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:26,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257627044] [2022-10-15 22:17:26,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257627044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:26,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:26,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:26,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271606205] [2022-10-15 22:17:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:26,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:26,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:26,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:26,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:26,421 INFO L87 Difference]: Start difference. First operand 2193 states and 2554 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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) [2022-10-15 22:17:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:28,794 INFO L93 Difference]: Finished difference Result 2511 states and 2974 transitions. [2022-10-15 22:17:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:17:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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 [2022-10-15 22:17:28,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:28,808 INFO L225 Difference]: With dead ends: 2511 [2022-10-15 22:17:28,809 INFO L226 Difference]: Without dead ends: 2440 [2022-10-15 22:17:28,811 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 [2022-10-15 22:17:28,812 INFO L413 NwaCegarLoop]: 1177 mSDtfsCounter, 5533 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 3021 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5533 SdHoareTripleChecker+Valid, 2735 SdHoareTripleChecker+Invalid, 3156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:28,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5533 Valid, 2735 Invalid, 3156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3021 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 22:17:28,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2022-10-15 22:17:28,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2212. [2022-10-15 22:17:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1803 states have (on average 1.452024403771492) internal successors, (2618), 2211 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2618 transitions. [2022-10-15 22:17:28,894 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2618 transitions. Word has length 49 [2022-10-15 22:17:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:28,895 INFO L495 AbstractCegarLoop]: Abstraction has 2212 states and 2618 transitions. [2022-10-15 22:17:28,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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) [2022-10-15 22:17:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2618 transitions. [2022-10-15 22:17:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:17:28,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:28,896 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] [2022-10-15 22:17:28,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:17:28,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr785ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:28,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1000699524, now seen corresponding path program 1 times [2022-10-15 22:17:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:28,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301224219] [2022-10-15 22:17:28,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:28,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:29,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:29,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301224219] [2022-10-15 22:17:29,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301224219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:29,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:29,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:29,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436911249] [2022-10-15 22:17:29,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:29,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:29,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:29,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:29,049 INFO L87 Difference]: Start difference. First operand 2212 states and 2618 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2022-10-15 22:17:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:31,111 INFO L93 Difference]: Finished difference Result 2434 states and 2897 transitions. [2022-10-15 22:17:31,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:31,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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 [2022-10-15 22:17:31,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:31,125 INFO L225 Difference]: With dead ends: 2434 [2022-10-15 22:17:31,126 INFO L226 Difference]: Without dead ends: 2357 [2022-10-15 22:17:31,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:31,130 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 6432 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6432 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:31,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6432 Valid, 1697 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 22:17:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2022-10-15 22:17:31,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2312. [2022-10-15 22:17:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1977 states have (on average 1.4218512898330804) internal successors, (2811), 2311 states have internal predecessors, (2811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2811 transitions. [2022-10-15 22:17:31,248 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2811 transitions. Word has length 50 [2022-10-15 22:17:31,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:31,248 INFO L495 AbstractCegarLoop]: Abstraction has 2312 states and 2811 transitions. [2022-10-15 22:17:31,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2022-10-15 22:17:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2811 transitions. [2022-10-15 22:17:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:17:31,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:31,250 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] [2022-10-15 22:17:31,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:17:31,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr786ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash -956909969, now seen corresponding path program 1 times [2022-10-15 22:17:31,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:31,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263704202] [2022-10-15 22:17:31,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:31,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:31,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:31,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263704202] [2022-10-15 22:17:31,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263704202] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:31,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:31,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:31,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496574205] [2022-10-15 22:17:31,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:31,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:31,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:31,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:31,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:31,411 INFO L87 Difference]: Start difference. First operand 2312 states and 2811 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2022-10-15 22:17:34,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:34,512 INFO L93 Difference]: Finished difference Result 4346 states and 5865 transitions. [2022-10-15 22:17:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:17:34,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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 [2022-10-15 22:17:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:34,528 INFO L225 Difference]: With dead ends: 4346 [2022-10-15 22:17:34,528 INFO L226 Difference]: Without dead ends: 3560 [2022-10-15 22:17:34,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:17:34,532 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 6276 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 4033 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6276 SdHoareTripleChecker+Valid, 4245 SdHoareTripleChecker+Invalid, 4200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 4033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:34,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6276 Valid, 4245 Invalid, 4200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 4033 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-15 22:17:34,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2022-10-15 22:17:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 2942. [2022-10-15 22:17:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2673 states have (on average 1.4249906472128695) internal successors, (3809), 2941 states have internal predecessors, (3809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 3809 transitions. [2022-10-15 22:17:34,725 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 3809 transitions. Word has length 51 [2022-10-15 22:17:34,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:34,726 INFO L495 AbstractCegarLoop]: Abstraction has 2942 states and 3809 transitions. [2022-10-15 22:17:34,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2022-10-15 22:17:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3809 transitions. [2022-10-15 22:17:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:17:34,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:34,728 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] [2022-10-15 22:17:34,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:17:34,729 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr787ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:34,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:34,729 INFO L85 PathProgramCache]: Analyzing trace with hash 400566238, now seen corresponding path program 1 times [2022-10-15 22:17:34,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:34,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416329626] [2022-10-15 22:17:34,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:34,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:34,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416329626] [2022-10-15 22:17:34,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416329626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:34,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:34,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:34,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912257441] [2022-10-15 22:17:34,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:34,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:34,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:34,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:34,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:34,880 INFO L87 Difference]: Start difference. First operand 2942 states and 3809 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 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) [2022-10-15 22:17:37,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:37,557 INFO L93 Difference]: Finished difference Result 3644 states and 4784 transitions. [2022-10-15 22:17:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:17:37,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 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 [2022-10-15 22:17:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:37,571 INFO L225 Difference]: With dead ends: 3644 [2022-10-15 22:17:37,571 INFO L226 Difference]: Without dead ends: 3570 [2022-10-15 22:17:37,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:17:37,573 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 7492 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7492 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:37,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7492 Valid, 2165 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 22:17:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2022-10-15 22:17:37,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3480. [2022-10-15 22:17:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3480 states, 3281 states have (on average 1.4218226150563853) internal successors, (4665), 3479 states have internal predecessors, (4665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4665 transitions. [2022-10-15 22:17:37,787 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4665 transitions. Word has length 52 [2022-10-15 22:17:37,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:37,788 INFO L495 AbstractCegarLoop]: Abstraction has 3480 states and 4665 transitions. [2022-10-15 22:17:37,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 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) [2022-10-15 22:17:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4665 transitions. [2022-10-15 22:17:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:17:37,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:37,791 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] [2022-10-15 22:17:37,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:17:37,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr204ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:37,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:37,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2098898048, now seen corresponding path program 1 times [2022-10-15 22:17:37,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:37,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536365115] [2022-10-15 22:17:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:38,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:38,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536365115] [2022-10-15 22:17:38,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536365115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:38,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:38,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120301215] [2022-10-15 22:17:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:38,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:38,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:38,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:38,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:38,005 INFO L87 Difference]: Start difference. First operand 3480 states and 4665 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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) [2022-10-15 22:17:39,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:39,542 INFO L93 Difference]: Finished difference Result 3780 states and 5095 transitions. [2022-10-15 22:17:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:39,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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 [2022-10-15 22:17:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:39,562 INFO L225 Difference]: With dead ends: 3780 [2022-10-15 22:17:39,562 INFO L226 Difference]: Without dead ends: 3769 [2022-10-15 22:17:39,564 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 [2022-10-15 22:17:39,565 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 1796 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:39,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 1531 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:17:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-10-15 22:17:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3733. [2022-10-15 22:17:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3542 states have (on average 1.4336533032185206) internal successors, (5078), 3732 states have internal predecessors, (5078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5078 transitions. [2022-10-15 22:17:39,811 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5078 transitions. Word has length 86 [2022-10-15 22:17:39,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:39,811 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5078 transitions. [2022-10-15 22:17:39,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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) [2022-10-15 22:17:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5078 transitions. [2022-10-15 22:17:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:17:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:39,822 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] [2022-10-15 22:17:39,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:17:39,823 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr140ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:39,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1664798880, now seen corresponding path program 1 times [2022-10-15 22:17:39,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:39,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116247794] [2022-10-15 22:17:39,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:39,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:40,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:40,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116247794] [2022-10-15 22:17:40,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116247794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:40,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:40,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:40,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532848184] [2022-10-15 22:17:40,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:40,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:40,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:40,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:40,055 INFO L87 Difference]: Start difference. First operand 3733 states and 5078 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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) [2022-10-15 22:17:41,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:41,464 INFO L93 Difference]: Finished difference Result 4552 states and 6314 transitions. [2022-10-15 22:17:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:41,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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 [2022-10-15 22:17:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:41,488 INFO L225 Difference]: With dead ends: 4552 [2022-10-15 22:17:41,488 INFO L226 Difference]: Without dead ends: 4541 [2022-10-15 22:17:41,490 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 [2022-10-15 22:17:41,491 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1640 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:41,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 1727 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 22:17:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4541 states. [2022-10-15 22:17:41,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4541 to 4508. [2022-10-15 22:17:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 4325 states have (on average 1.451791907514451) internal successors, (6279), 4507 states have internal predecessors, (6279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 6279 transitions. [2022-10-15 22:17:41,790 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 6279 transitions. Word has length 86 [2022-10-15 22:17:41,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:41,791 INFO L495 AbstractCegarLoop]: Abstraction has 4508 states and 6279 transitions. [2022-10-15 22:17:41,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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) [2022-10-15 22:17:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 6279 transitions. [2022-10-15 22:17:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:17:41,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:41,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:41,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:17:41,795 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr268ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:41,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:41,796 INFO L85 PathProgramCache]: Analyzing trace with hash -717622792, now seen corresponding path program 1 times [2022-10-15 22:17:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:41,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468788802] [2022-10-15 22:17:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:41,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:41,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468788802] [2022-10-15 22:17:41,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468788802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:41,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:41,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:41,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718315535] [2022-10-15 22:17:41,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:41,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:41,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:41,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:41,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:41,949 INFO L87 Difference]: Start difference. First operand 4508 states and 6279 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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) [2022-10-15 22:17:43,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:43,246 INFO L93 Difference]: Finished difference Result 4811 states and 6709 transitions. [2022-10-15 22:17:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:43,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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 [2022-10-15 22:17:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:43,261 INFO L225 Difference]: With dead ends: 4811 [2022-10-15 22:17:43,262 INFO L226 Difference]: Without dead ends: 4801 [2022-10-15 22:17:43,263 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 [2022-10-15 22:17:43,264 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 769 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:43,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 2211 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:17:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2022-10-15 22:17:43,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 4765. [2022-10-15 22:17:43,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4765 states, 4586 states have (on average 1.452245965983428) internal successors, (6660), 4764 states have internal predecessors, (6660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4765 states to 4765 states and 6660 transitions. [2022-10-15 22:17:43,540 INFO L78 Accepts]: Start accepts. Automaton has 4765 states and 6660 transitions. Word has length 87 [2022-10-15 22:17:43,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:43,540 INFO L495 AbstractCegarLoop]: Abstraction has 4765 states and 6660 transitions. [2022-10-15 22:17:43,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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) [2022-10-15 22:17:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4765 states and 6660 transitions. [2022-10-15 22:17:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:17:43,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:43,544 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] [2022-10-15 22:17:43,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:17:43,544 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr205ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:43,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash -641328576, now seen corresponding path program 1 times [2022-10-15 22:17:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:43,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49716672] [2022-10-15 22:17:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:43,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:43,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49716672] [2022-10-15 22:17:43,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49716672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:43,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:43,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:43,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941270825] [2022-10-15 22:17:43,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:43,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:43,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:43,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:43,697 INFO L87 Difference]: Start difference. First operand 4765 states and 6660 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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) [2022-10-15 22:17:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:45,161 INFO L93 Difference]: Finished difference Result 4783 states and 6660 transitions. [2022-10-15 22:17:45,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:45,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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 [2022-10-15 22:17:45,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:45,172 INFO L225 Difference]: With dead ends: 4783 [2022-10-15 22:17:45,173 INFO L226 Difference]: Without dead ends: 4772 [2022-10-15 22:17:45,175 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 [2022-10-15 22:17:45,176 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1749 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:45,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 1146 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:17:45,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2022-10-15 22:17:45,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 4493. [2022-10-15 22:17:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4493 states, 4325 states have (on average 1.4386127167630058) internal successors, (6222), 4492 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 6222 transitions. [2022-10-15 22:17:45,457 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 6222 transitions. Word has length 87 [2022-10-15 22:17:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:45,457 INFO L495 AbstractCegarLoop]: Abstraction has 4493 states and 6222 transitions. [2022-10-15 22:17:45,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 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) [2022-10-15 22:17:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 6222 transitions. [2022-10-15 22:17:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:17:45,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:45,461 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] [2022-10-15 22:17:45,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:17:45,462 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:45,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1593652098, now seen corresponding path program 1 times [2022-10-15 22:17:45,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:45,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110003277] [2022-10-15 22:17:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:45,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:45,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110003277] [2022-10-15 22:17:45,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110003277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:45,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:45,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:45,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103203528] [2022-10-15 22:17:45,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:45,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:45,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:45,625 INFO L87 Difference]: Start difference. First operand 4493 states and 6222 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:47,273 INFO L93 Difference]: Finished difference Result 5060 states and 7046 transitions. [2022-10-15 22:17:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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 [2022-10-15 22:17:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:47,284 INFO L225 Difference]: With dead ends: 5060 [2022-10-15 22:17:47,284 INFO L226 Difference]: Without dead ends: 5052 [2022-10-15 22:17:47,286 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 [2022-10-15 22:17:47,287 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 2875 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2875 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:47,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2875 Valid, 1866 Invalid, 2218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 22:17:47,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5052 states. [2022-10-15 22:17:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5052 to 4749. [2022-10-15 22:17:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4749 states, 4586 states have (on average 1.4435237679895334) internal successors, (6620), 4748 states have internal predecessors, (6620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 6620 transitions. [2022-10-15 22:17:47,593 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 6620 transitions. Word has length 88 [2022-10-15 22:17:47,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:47,594 INFO L495 AbstractCegarLoop]: Abstraction has 4749 states and 6620 transitions. [2022-10-15 22:17:47,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 6620 transitions. [2022-10-15 22:17:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:17:47,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:47,598 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] [2022-10-15 22:17:47,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:47,598 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:47,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:47,599 INFO L85 PathProgramCache]: Analyzing trace with hash 965326883, now seen corresponding path program 1 times [2022-10-15 22:17:47,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:47,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109018588] [2022-10-15 22:17:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:47,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:47,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109018588] [2022-10-15 22:17:47,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109018588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:47,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:47,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:47,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104914153] [2022-10-15 22:17:47,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:47,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:47,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:47,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:47,776 INFO L87 Difference]: Start difference. First operand 4749 states and 6620 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:49,653 INFO L93 Difference]: Finished difference Result 4791 states and 6620 transitions. [2022-10-15 22:17:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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 [2022-10-15 22:17:49,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:49,663 INFO L225 Difference]: With dead ends: 4791 [2022-10-15 22:17:49,664 INFO L226 Difference]: Without dead ends: 4783 [2022-10-15 22:17:49,666 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 [2022-10-15 22:17:49,667 INFO L413 NwaCegarLoop]: 963 mSDtfsCounter, 2764 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 2584 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:49,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 2279 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2584 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:17:49,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-10-15 22:17:49,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4744. [2022-10-15 22:17:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 4586 states have (on average 1.438508504143044) internal successors, (6597), 4743 states have internal predecessors, (6597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 6597 transitions. [2022-10-15 22:17:49,991 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 6597 transitions. Word has length 88 [2022-10-15 22:17:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:49,991 INFO L495 AbstractCegarLoop]: Abstraction has 4744 states and 6597 transitions. [2022-10-15 22:17:49,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 6597 transitions. [2022-10-15 22:17:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:17:50,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:50,003 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] [2022-10-15 22:17:50,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:50,003 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:50,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2143854782, now seen corresponding path program 1 times [2022-10-15 22:17:50,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:50,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974803955] [2022-10-15 22:17:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:50,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974803955] [2022-10-15 22:17:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974803955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:50,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:50,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031152038] [2022-10-15 22:17:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:50,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:50,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:50,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:50,231 INFO L87 Difference]: Start difference. First operand 4744 states and 6597 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:52,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:52,189 INFO L93 Difference]: Finished difference Result 5050 states and 7009 transitions. [2022-10-15 22:17:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:52,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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 [2022-10-15 22:17:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:52,198 INFO L225 Difference]: With dead ends: 5050 [2022-10-15 22:17:52,199 INFO L226 Difference]: Without dead ends: 5042 [2022-10-15 22:17:52,201 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 [2022-10-15 22:17:52,202 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 2595 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2595 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:52,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2595 Valid, 2529 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:17:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-10-15 22:17:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 5000. [2022-10-15 22:17:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4847 states have (on average 1.4431607179698782) internal successors, (6995), 4999 states have internal predecessors, (6995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 6995 transitions. [2022-10-15 22:17:52,542 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 6995 transitions. Word has length 88 [2022-10-15 22:17:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:52,543 INFO L495 AbstractCegarLoop]: Abstraction has 5000 states and 6995 transitions. [2022-10-15 22:17:52,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 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) [2022-10-15 22:17:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 6995 transitions. [2022-10-15 22:17:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:17:52,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:52,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:52,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:52,547 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr270ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:52,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1854290362, now seen corresponding path program 1 times [2022-10-15 22:17:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:52,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268728756] [2022-10-15 22:17:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:52,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:52,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268728756] [2022-10-15 22:17:52,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268728756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:52,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:52,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:52,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079738274] [2022-10-15 22:17:52,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:52,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:52,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:52,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:52,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:52,751 INFO L87 Difference]: Start difference. First operand 5000 states and 6995 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:17:54,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:54,775 INFO L93 Difference]: Finished difference Result 5837 states and 8240 transitions. [2022-10-15 22:17:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:54,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) Word has length 89 [2022-10-15 22:17:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:54,785 INFO L225 Difference]: With dead ends: 5837 [2022-10-15 22:17:54,785 INFO L226 Difference]: Without dead ends: 5831 [2022-10-15 22:17:54,787 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 [2022-10-15 22:17:54,788 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 1857 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 2708 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:54,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 2533 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2708 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:17:54,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2022-10-15 22:17:55,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5519. [2022-10-15 22:17:55,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 5369 states have (on average 1.4557645744086423) internal successors, (7816), 5518 states have internal predecessors, (7816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 7816 transitions. [2022-10-15 22:17:55,154 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 7816 transitions. Word has length 89 [2022-10-15 22:17:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:55,155 INFO L495 AbstractCegarLoop]: Abstraction has 5519 states and 7816 transitions. [2022-10-15 22:17:55,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:17:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 7816 transitions. [2022-10-15 22:17:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:17:55,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:55,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:55,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:17:55,159 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr246ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:55,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:55,160 INFO L85 PathProgramCache]: Analyzing trace with hash -476754106, now seen corresponding path program 1 times [2022-10-15 22:17:55,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:55,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536094358] [2022-10-15 22:17:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:55,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:55,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536094358] [2022-10-15 22:17:55,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536094358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:55,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:55,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:55,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841866076] [2022-10-15 22:17:55,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:55,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:55,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:55,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:55,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:55,361 INFO L87 Difference]: Start difference. First operand 5519 states and 7816 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:17:57,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:57,322 INFO L93 Difference]: Finished difference Result 6350 states and 9043 transitions. [2022-10-15 22:17:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:57,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) Word has length 89 [2022-10-15 22:17:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:57,330 INFO L225 Difference]: With dead ends: 6350 [2022-10-15 22:17:57,330 INFO L226 Difference]: Without dead ends: 6344 [2022-10-15 22:17:57,332 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 [2022-10-15 22:17:57,333 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 1827 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 2864 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 2875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:57,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 2120 Invalid, 2875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2864 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:17:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-10-15 22:17:57,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6299. [2022-10-15 22:17:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6299 states, 6152 states have (on average 1.4679778933680103) internal successors, (9031), 6298 states have internal predecessors, (9031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 9031 transitions. [2022-10-15 22:17:57,721 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 9031 transitions. Word has length 89 [2022-10-15 22:17:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:57,722 INFO L495 AbstractCegarLoop]: Abstraction has 6299 states and 9031 transitions. [2022-10-15 22:17:57,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:17:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 9031 transitions. [2022-10-15 22:17:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:17:57,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:57,726 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] [2022-10-15 22:17:57,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:17:57,727 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr207ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:17:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:57,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2136391038, now seen corresponding path program 1 times [2022-10-15 22:17:57,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:57,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621785040] [2022-10-15 22:17:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:57,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:57,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:57,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621785040] [2022-10-15 22:17:57,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621785040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:57,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:57,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:57,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986860072] [2022-10-15 22:17:57,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:57,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:57,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:57,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:57,906 INFO L87 Difference]: Start difference. First operand 6299 states and 9031 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:17:59,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:59,781 INFO L93 Difference]: Finished difference Result 7385 states and 10697 transitions. [2022-10-15 22:17:59,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:59,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) Word has length 89 [2022-10-15 22:17:59,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:59,793 INFO L225 Difference]: With dead ends: 7385 [2022-10-15 22:17:59,793 INFO L226 Difference]: Without dead ends: 7374 [2022-10-15 22:17:59,798 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 [2022-10-15 22:17:59,799 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 3648 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 2040 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3648 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:59,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3648 Valid, 1305 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2040 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:17:59,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7374 states. [2022-10-15 22:18:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7374 to 7335. [2022-10-15 22:18:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7335 states, 7196 states have (on average 1.4791550861589773) internal successors, (10644), 7334 states have internal predecessors, (10644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10644 transitions. [2022-10-15 22:18:00,322 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10644 transitions. Word has length 89 [2022-10-15 22:18:00,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:00,323 INFO L495 AbstractCegarLoop]: Abstraction has 7335 states and 10644 transitions. [2022-10-15 22:18:00,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-15 22:18:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10644 transitions. [2022-10-15 22:18:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:18:00,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:00,327 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] [2022-10-15 22:18:00,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:18:00,328 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 793 more)] === [2022-10-15 22:18:00,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:00,329 INFO L85 PathProgramCache]: Analyzing trace with hash -375350779, now seen corresponding path program 1 times [2022-10-15 22:18:00,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:00,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197025721] [2022-10-15 22:18:00,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:00,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:00,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:00,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197025721] [2022-10-15 22:18:00,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197025721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:00,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:00,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:00,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319576504] [2022-10-15 22:18:00,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:00,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:00,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:00,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:00,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:00,506 INFO L87 Difference]: Start difference. First operand 7335 states and 10644 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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)