/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:21:54,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:21:54,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:21:54,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:21:54,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:21:54,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:21:54,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:21:54,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:21:54,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:21:54,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:21:54,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:21:54,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:21:54,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:21:54,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:21:54,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:21:54,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:21:54,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:21:54,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:21:54,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:21:54,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:21:54,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:21:54,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:21:54,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:21:54,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:21:54,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:21:54,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:21:54,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:21:54,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:21:54,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:21:54,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:21:54,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:21:54,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:21:54,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:21:54,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:21:54,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:21:54,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:21:54,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:21:54,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:21:54,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:21:54,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:21:54,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:21:54,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:21:54,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:21:54,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:21:54,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:21:54,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:21:54,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:21:54,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:21:54,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:21:54,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:21:54,385 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:21:54,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:21:54,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:21:54,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:21:54,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:21:54,388 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:21:54,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:21:54,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:21:54,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:21:54,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:21:54,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:21:54,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:21:54,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:21:54,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:21:54,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:21:54,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:21:54,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:21:54,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:21:54,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:21:54,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:21:54,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:21:54,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:21:54,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:21:54,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:21:54,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:21:54,840 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:21:54,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:21:54,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8687cd0/8ef5f93df9ff4593bd94c5a522513e00/FLAG80d43adb9 [2022-10-16 16:21:55,641 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:21:55,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:21:55,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8687cd0/8ef5f93df9ff4593bd94c5a522513e00/FLAG80d43adb9 [2022-10-16 16:21:55,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8687cd0/8ef5f93df9ff4593bd94c5a522513e00 [2022-10-16 16:21:55,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:21:55,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:21:55,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:21:55,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:21:55,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:21:55,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:21:55" (1/1) ... [2022-10-16 16:21:55,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c207aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:55, skipping insertion in model container [2022-10-16 16:21:55,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:21:55" (1/1) ... [2022-10-16 16:21:55,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:21:55,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:21:56,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2022-10-16 16:21:56,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2022-10-16 16:21:56,420 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2022-10-16 16:21:56,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2022-10-16 16:21:56,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2022-10-16 16:21:56,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2022-10-16 16:21:56,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2022-10-16 16:21:56,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2022-10-16 16:21:56,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2022-10-16 16:21:56,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2022-10-16 16:21:56,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2022-10-16 16:21:56,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:21:56,626 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:21:56,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2022-10-16 16:21:56,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2022-10-16 16:21:56,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2022-10-16 16:21:56,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2022-10-16 16:21:56,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2022-10-16 16:21:56,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2022-10-16 16:21:56,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2022-10-16 16:21:56,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2022-10-16 16:21:56,850 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2022-10-16 16:21:56,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2022-10-16 16:21:56,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2022-10-16 16:21:57,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:21:57,061 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:21:57,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57 WrapperNode [2022-10-16 16:21:57,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:21:57,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:21:57,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:21:57,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:21:57,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,227 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2240 [2022-10-16 16:21:57,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:21:57,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:21:57,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:21:57,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:21:57,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:21:57,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:21:57,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:21:57,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:21:57,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (1/1) ... [2022-10-16 16:21:57,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:21:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:57,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:21:57,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:21:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:21:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:21:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:21:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:21:57,644 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:21:57,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:21:59,557 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:21:59,574 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:21:59,575 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:21:59,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:21:59 BoogieIcfgContainer [2022-10-16 16:21:59,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:21:59,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:21:59,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:21:59,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:21:59,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:21:55" (1/3) ... [2022-10-16 16:21:59,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d968394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:21:59, skipping insertion in model container [2022-10-16 16:21:59,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:57" (2/3) ... [2022-10-16 16:21:59,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d968394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:21:59, skipping insertion in model container [2022-10-16 16:21:59,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:21:59" (3/3) ... [2022-10-16 16:21:59,588 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:21:59,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:21:59,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 370 error locations. [2022-10-16 16:21:59,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:21:59,701 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;@615a5a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:21:59,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 370 error locations. [2022-10-16 16:21:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 1076 states, 705 states have (on average 1.920567375886525) internal successors, (1354), 1075 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:21:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:21:59,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:59,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:59,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr356ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:21:59,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:59,728 INFO L85 PathProgramCache]: Analyzing trace with hash 372140764, now seen corresponding path program 1 times [2022-10-16 16:21:59,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:59,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268989319] [2022-10-16 16:21:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:59,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:00,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:00,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268989319] [2022-10-16 16:22:00,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268989319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:00,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:00,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153789981] [2022-10-16 16:22:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:00,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:00,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:00,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:00,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:00,383 INFO L87 Difference]: Start difference. First operand has 1076 states, 705 states have (on average 1.920567375886525) internal successors, (1354), 1075 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:01,461 INFO L93 Difference]: Finished difference Result 1274 states and 1614 transitions. [2022-10-16 16:22:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:01,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-16 16:22:01,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:01,487 INFO L225 Difference]: With dead ends: 1274 [2022-10-16 16:22:01,487 INFO L226 Difference]: Without dead ends: 1206 [2022-10-16 16:22:01,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:01,496 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 2182 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:01,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 1190 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:01,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2022-10-16 16:22:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1094. [2022-10-16 16:22:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 763 states have (on average 1.6041939711664481) internal successors, (1224), 1093 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1224 transitions. [2022-10-16 16:22:01,607 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1224 transitions. Word has length 36 [2022-10-16 16:22:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:01,607 INFO L495 AbstractCegarLoop]: Abstraction has 1094 states and 1224 transitions. [2022-10-16 16:22:01,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1224 transitions. [2022-10-16 16:22:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 16:22:01,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:01,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:01,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:22:01,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr357ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:01,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:01,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1348536031, now seen corresponding path program 1 times [2022-10-16 16:22:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:01,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962943178] [2022-10-16 16:22:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:01,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:01,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962943178] [2022-10-16 16:22:01,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962943178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:01,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:01,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:01,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602115619] [2022-10-16 16:22:01,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:01,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:01,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:01,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:01,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:01,814 INFO L87 Difference]: Start difference. First operand 1094 states and 1224 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:02,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:02,528 INFO L93 Difference]: Finished difference Result 1187 states and 1349 transitions. [2022-10-16 16:22:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:02,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-16 16:22:02,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:02,536 INFO L225 Difference]: With dead ends: 1187 [2022-10-16 16:22:02,536 INFO L226 Difference]: Without dead ends: 1137 [2022-10-16 16:22:02,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:02,539 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2076 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:02,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 563 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-10-16 16:22:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1121. [2022-10-16 16:22:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 837 states have (on average 1.5483870967741935) internal successors, (1296), 1120 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1296 transitions. [2022-10-16 16:22:02,579 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1296 transitions. Word has length 37 [2022-10-16 16:22:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:02,580 INFO L495 AbstractCegarLoop]: Abstraction has 1121 states and 1296 transitions. [2022-10-16 16:22:02,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1296 transitions. [2022-10-16 16:22:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:22:02,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:02,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:02,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:22:02,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr358ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1145058174, now seen corresponding path program 1 times [2022-10-16 16:22:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:02,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203891757] [2022-10-16 16:22:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:02,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:02,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203891757] [2022-10-16 16:22:02,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203891757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:02,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:02,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:02,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941299455] [2022-10-16 16:22:02,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:02,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:02,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:02,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:02,737 INFO L87 Difference]: Start difference. First operand 1121 states and 1296 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:03,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:03,693 INFO L93 Difference]: Finished difference Result 1317 states and 1537 transitions. [2022-10-16 16:22:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:22:03,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 16:22:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:03,701 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 16:22:03,702 INFO L226 Difference]: Without dead ends: 1278 [2022-10-16 16:22:03,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:03,705 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 2388 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:03,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 1272 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-10-16 16:22:03,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1159. [2022-10-16 16:22:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 911 states have (on average 1.5104281009879255) internal successors, (1376), 1158 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1376 transitions. [2022-10-16 16:22:03,754 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1376 transitions. Word has length 38 [2022-10-16 16:22:03,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:03,754 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1376 transitions. [2022-10-16 16:22:03,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1376 transitions. [2022-10-16 16:22:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:22:03,756 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:03,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:03,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:22:03,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr359ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:03,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1137067203, now seen corresponding path program 1 times [2022-10-16 16:22:03,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:03,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545856900] [2022-10-16 16:22:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:03,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:03,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:03,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545856900] [2022-10-16 16:22:03,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545856900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:03,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:03,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:03,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610168076] [2022-10-16 16:22:03,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:03,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:03,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:03,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:03,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:03,885 INFO L87 Difference]: Start difference. First operand 1159 states and 1376 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:04,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:04,675 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2022-10-16 16:22:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:04,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 16:22:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:04,683 INFO L225 Difference]: With dead ends: 1265 [2022-10-16 16:22:04,683 INFO L226 Difference]: Without dead ends: 1220 [2022-10-16 16:22:04,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:04,685 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2789 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:04,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 803 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2022-10-16 16:22:04,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1191. [2022-10-16 16:22:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 985 states have (on average 1.4690355329949238) internal successors, (1447), 1190 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1447 transitions. [2022-10-16 16:22:04,737 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1447 transitions. Word has length 39 [2022-10-16 16:22:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:04,737 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1447 transitions. [2022-10-16 16:22:04,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1447 transitions. [2022-10-16 16:22:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:22:04,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:04,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:04,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:22:04,740 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr360ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash 889347104, now seen corresponding path program 1 times [2022-10-16 16:22:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:04,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502463808] [2022-10-16 16:22:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:04,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502463808] [2022-10-16 16:22:04,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502463808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:04,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:04,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296537969] [2022-10-16 16:22:04,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:04,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:04,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:04,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:04,874 INFO L87 Difference]: Start difference. First operand 1191 states and 1447 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:06,151 INFO L93 Difference]: Finished difference Result 2331 states and 3119 transitions. [2022-10-16 16:22:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:22:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-10-16 16:22:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:06,162 INFO L225 Difference]: With dead ends: 2331 [2022-10-16 16:22:06,163 INFO L226 Difference]: Without dead ends: 1905 [2022-10-16 16:22:06,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:22:06,166 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 2962 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:06,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 1957 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:22:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2022-10-16 16:22:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1527. [2022-10-16 16:22:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1355 states have (on average 1.4634686346863468) internal successors, (1983), 1526 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1983 transitions. [2022-10-16 16:22:06,255 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1983 transitions. Word has length 40 [2022-10-16 16:22:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:06,255 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 1983 transitions. [2022-10-16 16:22:06,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1983 transitions. [2022-10-16 16:22:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:22:06,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:06,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:06,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:22:06,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr361ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:06,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1799958629, now seen corresponding path program 1 times [2022-10-16 16:22:06,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:06,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860324767] [2022-10-16 16:22:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:06,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:06,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:06,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860324767] [2022-10-16 16:22:06,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860324767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:06,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:06,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:06,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337096089] [2022-10-16 16:22:06,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:06,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:06,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:06,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:06,393 INFO L87 Difference]: Start difference. First operand 1527 states and 1983 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:07,411 INFO L93 Difference]: Finished difference Result 1888 states and 2465 transitions. [2022-10-16 16:22:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:22:07,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-16 16:22:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:07,422 INFO L225 Difference]: With dead ends: 1888 [2022-10-16 16:22:07,422 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 16:22:07,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:22:07,424 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 3679 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3679 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:07,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3679 Valid, 1116 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:07,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 16:22:07,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1784. [2022-10-16 16:22:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1650 states have (on average 1.4521212121212121) internal successors, (2396), 1783 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2396 transitions. [2022-10-16 16:22:07,540 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2396 transitions. Word has length 41 [2022-10-16 16:22:07,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:07,541 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2396 transitions. [2022-10-16 16:22:07,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2396 transitions. [2022-10-16 16:22:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:22:07,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:07,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:07,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:22:07,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr368ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:07,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:07,544 INFO L85 PathProgramCache]: Analyzing trace with hash -339311211, now seen corresponding path program 1 times [2022-10-16 16:22:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:07,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376786063] [2022-10-16 16:22:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:07,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:07,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:07,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376786063] [2022-10-16 16:22:07,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376786063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:07,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:07,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:07,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398385086] [2022-10-16 16:22:07,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:07,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:07,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:07,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:07,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:07,650 INFO L87 Difference]: Start difference. First operand 1784 states and 2396 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:07,842 INFO L93 Difference]: Finished difference Result 1784 states and 2396 transitions. [2022-10-16 16:22:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:07,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:22:07,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:07,854 INFO L225 Difference]: With dead ends: 1784 [2022-10-16 16:22:07,854 INFO L226 Difference]: Without dead ends: 1752 [2022-10-16 16:22:07,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:07,857 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 323 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:07,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1315 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:07,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2022-10-16 16:22:08,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1752. [2022-10-16 16:22:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1650 states have (on average 1.4327272727272726) internal successors, (2364), 1751 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2364 transitions. [2022-10-16 16:22:08,019 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2364 transitions. Word has length 53 [2022-10-16 16:22:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:08,021 INFO L495 AbstractCegarLoop]: Abstraction has 1752 states and 2364 transitions. [2022-10-16 16:22:08,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2364 transitions. [2022-10-16 16:22:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:22:08,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:08,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:08,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:22:08,024 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:08,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:08,024 INFO L85 PathProgramCache]: Analyzing trace with hash -316661192, now seen corresponding path program 1 times [2022-10-16 16:22:08,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:08,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268254379] [2022-10-16 16:22:08,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:08,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:08,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:08,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268254379] [2022-10-16 16:22:08,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268254379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:08,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:08,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:08,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595029799] [2022-10-16 16:22:08,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:08,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:08,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:08,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:08,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:08,173 INFO L87 Difference]: Start difference. First operand 1752 states and 2364 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:08,318 INFO L93 Difference]: Finished difference Result 1752 states and 2364 transitions. [2022-10-16 16:22:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:22:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:08,338 INFO L225 Difference]: With dead ends: 1752 [2022-10-16 16:22:08,339 INFO L226 Difference]: Without dead ends: 1750 [2022-10-16 16:22:08,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:08,341 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 811 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:08,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 821 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-10-16 16:22:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1750. [2022-10-16 16:22:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1650 states have (on average 1.4236363636363636) internal successors, (2349), 1749 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2349 transitions. [2022-10-16 16:22:08,462 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2349 transitions. Word has length 58 [2022-10-16 16:22:08,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:08,462 INFO L495 AbstractCegarLoop]: Abstraction has 1750 states and 2349 transitions. [2022-10-16 16:22:08,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2349 transitions. [2022-10-16 16:22:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:22:08,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:08,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:08,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:22:08,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1226562150, now seen corresponding path program 1 times [2022-10-16 16:22:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:08,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293798151] [2022-10-16 16:22:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:08,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:08,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293798151] [2022-10-16 16:22:08,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293798151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:08,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:08,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627702767] [2022-10-16 16:22:08,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:08,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:08,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:08,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:08,593 INFO L87 Difference]: Start difference. First operand 1750 states and 2349 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:08,773 INFO L93 Difference]: Finished difference Result 1750 states and 2349 transitions. [2022-10-16 16:22:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:08,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 16:22:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:08,783 INFO L225 Difference]: With dead ends: 1750 [2022-10-16 16:22:08,783 INFO L226 Difference]: Without dead ends: 1748 [2022-10-16 16:22:08,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:08,785 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 808 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:08,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 821 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:08,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-10-16 16:22:08,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1748. [2022-10-16 16:22:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1650 states have (on average 1.4145454545454546) internal successors, (2334), 1747 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2334 transitions. [2022-10-16 16:22:08,920 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2334 transitions. Word has length 59 [2022-10-16 16:22:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:08,921 INFO L495 AbstractCegarLoop]: Abstraction has 1748 states and 2334 transitions. [2022-10-16 16:22:08,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2334 transitions. [2022-10-16 16:22:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:22:08,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:08,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:08,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:22:08,924 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:08,924 INFO L85 PathProgramCache]: Analyzing trace with hash 144320827, now seen corresponding path program 1 times [2022-10-16 16:22:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:08,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818846473] [2022-10-16 16:22:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:08,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:09,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:09,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818846473] [2022-10-16 16:22:09,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818846473] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:09,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:09,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:09,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323788915] [2022-10-16 16:22:09,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:09,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:09,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:09,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:09,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:09,070 INFO L87 Difference]: Start difference. First operand 1748 states and 2334 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:09,837 INFO L93 Difference]: Finished difference Result 2220 states and 3023 transitions. [2022-10-16 16:22:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:09,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:22:09,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:09,848 INFO L225 Difference]: With dead ends: 2220 [2022-10-16 16:22:09,848 INFO L226 Difference]: Without dead ends: 2212 [2022-10-16 16:22:09,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:09,853 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 817 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:09,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 1066 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:09,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2022-10-16 16:22:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1965. [2022-10-16 16:22:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1872 states have (on average 1.4257478632478633) internal successors, (2669), 1964 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2669 transitions. [2022-10-16 16:22:10,044 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2669 transitions. Word has length 72 [2022-10-16 16:22:10,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:10,044 INFO L495 AbstractCegarLoop]: Abstraction has 1965 states and 2669 transitions. [2022-10-16 16:22:10,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2669 transitions. [2022-10-16 16:22:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:22:10,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:10,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:10,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:22:10,047 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:10,048 INFO L85 PathProgramCache]: Analyzing trace with hash 988285850, now seen corresponding path program 1 times [2022-10-16 16:22:10,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:10,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804286674] [2022-10-16 16:22:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:10,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:10,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804286674] [2022-10-16 16:22:10,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804286674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:10,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:10,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:10,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556879700] [2022-10-16 16:22:10,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:10,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:10,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:10,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:10,207 INFO L87 Difference]: Start difference. First operand 1965 states and 2669 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:10,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:10,910 INFO L93 Difference]: Finished difference Result 2440 states and 3358 transitions. [2022-10-16 16:22:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:10,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:22:10,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:10,922 INFO L225 Difference]: With dead ends: 2440 [2022-10-16 16:22:10,922 INFO L226 Difference]: Without dead ends: 2432 [2022-10-16 16:22:10,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:10,924 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 864 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:10,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 1038 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2022-10-16 16:22:11,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2404. [2022-10-16 16:22:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2316 states have (on average 1.4438687392055267) internal successors, (3344), 2403 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3344 transitions. [2022-10-16 16:22:11,096 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3344 transitions. Word has length 72 [2022-10-16 16:22:11,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:11,096 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3344 transitions. [2022-10-16 16:22:11,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3344 transitions. [2022-10-16 16:22:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:22:11,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:11,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:11,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:22:11,105 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:11,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:11,105 INFO L85 PathProgramCache]: Analyzing trace with hash 572091224, now seen corresponding path program 1 times [2022-10-16 16:22:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:11,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291528968] [2022-10-16 16:22:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:11,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:11,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291528968] [2022-10-16 16:22:11,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291528968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:11,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:11,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:11,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045932014] [2022-10-16 16:22:11,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:11,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:11,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:11,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:11,255 INFO L87 Difference]: Start difference. First operand 2404 states and 3344 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:12,004 INFO L93 Difference]: Finished difference Result 2418 states and 3344 transitions. [2022-10-16 16:22:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:22:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:12,016 INFO L225 Difference]: With dead ends: 2418 [2022-10-16 16:22:12,016 INFO L226 Difference]: Without dead ends: 2410 [2022-10-16 16:22:12,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:12,018 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 1084 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:12,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 804 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-10-16 16:22:12,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2396. [2022-10-16 16:22:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2316 states have (on average 1.4339378238341969) internal successors, (3321), 2395 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3321 transitions. [2022-10-16 16:22:12,200 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3321 transitions. Word has length 73 [2022-10-16 16:22:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:12,201 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3321 transitions. [2022-10-16 16:22:12,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3321 transitions. [2022-10-16 16:22:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:22:12,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:12,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:12,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:22:12,204 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:12,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:12,204 INFO L85 PathProgramCache]: Analyzing trace with hash 851213812, now seen corresponding path program 1 times [2022-10-16 16:22:12,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:12,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341156025] [2022-10-16 16:22:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:12,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:12,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341156025] [2022-10-16 16:22:12,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341156025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:12,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:12,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204338477] [2022-10-16 16:22:12,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:12,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:12,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:12,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:12,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:12,353 INFO L87 Difference]: Start difference. First operand 2396 states and 3321 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:13,215 INFO L93 Difference]: Finished difference Result 2649 states and 3670 transitions. [2022-10-16 16:22:13,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:13,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:22:13,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:13,228 INFO L225 Difference]: With dead ends: 2649 [2022-10-16 16:22:13,229 INFO L226 Difference]: Without dead ends: 2643 [2022-10-16 16:22:13,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:13,231 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 379 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:13,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1652 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2022-10-16 16:22:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2393. [2022-10-16 16:22:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 2316 states have (on average 1.4248704663212435) internal successors, (3300), 2392 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3300 transitions. [2022-10-16 16:22:13,408 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3300 transitions. Word has length 73 [2022-10-16 16:22:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:13,409 INFO L495 AbstractCegarLoop]: Abstraction has 2393 states and 3300 transitions. [2022-10-16 16:22:13,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3300 transitions. [2022-10-16 16:22:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:13,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:13,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:13,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:22:13,411 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:13,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:13,412 INFO L85 PathProgramCache]: Analyzing trace with hash -967812475, now seen corresponding path program 1 times [2022-10-16 16:22:13,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:13,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807130127] [2022-10-16 16:22:13,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:13,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:13,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807130127] [2022-10-16 16:22:13,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807130127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:13,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:13,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:13,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792542797] [2022-10-16 16:22:13,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:13,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:13,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:13,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:13,574 INFO L87 Difference]: Start difference. First operand 2393 states and 3300 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:14,462 INFO L93 Difference]: Finished difference Result 2423 states and 3300 transitions. [2022-10-16 16:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:14,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:22:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:14,489 INFO L225 Difference]: With dead ends: 2423 [2022-10-16 16:22:14,489 INFO L226 Difference]: Without dead ends: 2417 [2022-10-16 16:22:14,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:14,498 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 1572 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:14,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 1210 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2022-10-16 16:22:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2242. [2022-10-16 16:22:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2168 states have (on average 1.419280442804428) internal successors, (3077), 2241 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3077 transitions. [2022-10-16 16:22:14,678 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3077 transitions. Word has length 74 [2022-10-16 16:22:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:14,679 INFO L495 AbstractCegarLoop]: Abstraction has 2242 states and 3077 transitions. [2022-10-16 16:22:14,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3077 transitions. [2022-10-16 16:22:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:14,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:14,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:14,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:22:14,682 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:14,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:14,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1253385117, now seen corresponding path program 1 times [2022-10-16 16:22:14,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:14,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617159589] [2022-10-16 16:22:14,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:14,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:14,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:14,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617159589] [2022-10-16 16:22:14,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617159589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:14,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:14,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432164500] [2022-10-16 16:22:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:14,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:14,854 INFO L87 Difference]: Start difference. First operand 2242 states and 3077 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:15,717 INFO L93 Difference]: Finished difference Result 2645 states and 3628 transitions. [2022-10-16 16:22:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:15,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:22:15,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:15,724 INFO L225 Difference]: With dead ends: 2645 [2022-10-16 16:22:15,724 INFO L226 Difference]: Without dead ends: 2639 [2022-10-16 16:22:15,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:15,725 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 1391 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:15,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1283 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:15,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2022-10-16 16:22:15,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2609. [2022-10-16 16:22:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2538 states have (on average 1.4247438928289993) internal successors, (3616), 2608 states have internal predecessors, (3616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3616 transitions. [2022-10-16 16:22:15,921 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3616 transitions. Word has length 74 [2022-10-16 16:22:15,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:15,922 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 3616 transitions. [2022-10-16 16:22:15,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3616 transitions. [2022-10-16 16:22:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:15,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:15,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:15,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:22:15,924 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash 554959708, now seen corresponding path program 1 times [2022-10-16 16:22:15,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:15,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061025721] [2022-10-16 16:22:15,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:15,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:16,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:16,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061025721] [2022-10-16 16:22:16,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061025721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:16,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:16,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514639249] [2022-10-16 16:22:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:16,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:16,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:16,086 INFO L87 Difference]: Start difference. First operand 2609 states and 3616 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:16,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:16,977 INFO L93 Difference]: Finished difference Result 3086 states and 4296 transitions. [2022-10-16 16:22:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:16,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:22:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:16,984 INFO L225 Difference]: With dead ends: 3086 [2022-10-16 16:22:16,984 INFO L226 Difference]: Without dead ends: 3080 [2022-10-16 16:22:16,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:16,986 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1526 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:16,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 1187 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2022-10-16 16:22:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 2828. [2022-10-16 16:22:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2760 states have (on average 1.4289855072463769) internal successors, (3944), 2827 states have internal predecessors, (3944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3944 transitions. [2022-10-16 16:22:17,193 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3944 transitions. Word has length 74 [2022-10-16 16:22:17,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:17,194 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 3944 transitions. [2022-10-16 16:22:17,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3944 transitions. [2022-10-16 16:22:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:17,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:17,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:17,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:22:17,196 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:17,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1685668532, now seen corresponding path program 1 times [2022-10-16 16:22:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:17,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274516301] [2022-10-16 16:22:17,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:17,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:17,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274516301] [2022-10-16 16:22:17,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274516301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:17,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:17,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:17,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396468659] [2022-10-16 16:22:17,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:17,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:17,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:17,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:17,380 INFO L87 Difference]: Start difference. First operand 2828 states and 3944 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:18,169 INFO L93 Difference]: Finished difference Result 3086 states and 4284 transitions. [2022-10-16 16:22:18,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:22:18,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:18,176 INFO L225 Difference]: With dead ends: 3086 [2022-10-16 16:22:18,177 INFO L226 Difference]: Without dead ends: 3081 [2022-10-16 16:22:18,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:18,184 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 898 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:18,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 1258 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2022-10-16 16:22:18,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2826. [2022-10-16 16:22:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2760 states have (on average 1.425) internal successors, (3933), 2825 states have internal predecessors, (3933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3933 transitions. [2022-10-16 16:22:18,438 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3933 transitions. Word has length 75 [2022-10-16 16:22:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:18,439 INFO L495 AbstractCegarLoop]: Abstraction has 2826 states and 3933 transitions. [2022-10-16 16:22:18,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3933 transitions. [2022-10-16 16:22:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:18,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:18,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:18,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:22:18,442 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash 200233712, now seen corresponding path program 1 times [2022-10-16 16:22:18,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:18,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511273645] [2022-10-16 16:22:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:18,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:18,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511273645] [2022-10-16 16:22:18,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511273645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:18,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:18,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323902523] [2022-10-16 16:22:18,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:18,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:18,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:18,597 INFO L87 Difference]: Start difference. First operand 2826 states and 3933 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:19,465 INFO L93 Difference]: Finished difference Result 3745 states and 5293 transitions. [2022-10-16 16:22:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:19,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:22:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:19,474 INFO L225 Difference]: With dead ends: 3745 [2022-10-16 16:22:19,474 INFO L226 Difference]: Without dead ends: 3739 [2022-10-16 16:22:19,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:19,476 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1716 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:19,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 974 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:19,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2022-10-16 16:22:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3489. [2022-10-16 16:22:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3426 states have (on average 1.4395796847635727) internal successors, (4932), 3488 states have internal predecessors, (4932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4932 transitions. [2022-10-16 16:22:19,698 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4932 transitions. Word has length 75 [2022-10-16 16:22:19,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:19,699 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4932 transitions. [2022-10-16 16:22:19,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4932 transitions. [2022-10-16 16:22:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:19,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:19,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:19,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:22:19,701 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:19,702 INFO L85 PathProgramCache]: Analyzing trace with hash 23882714, now seen corresponding path program 1 times [2022-10-16 16:22:19,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:19,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087138679] [2022-10-16 16:22:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:19,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:19,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087138679] [2022-10-16 16:22:19,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087138679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:19,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:19,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:19,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881853343] [2022-10-16 16:22:19,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:19,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:19,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:19,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:19,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:19,845 INFO L87 Difference]: Start difference. First operand 3489 states and 4932 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:20,670 INFO L93 Difference]: Finished difference Result 4411 states and 6310 transitions. [2022-10-16 16:22:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:20,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:22:20,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:20,678 INFO L225 Difference]: With dead ends: 4411 [2022-10-16 16:22:20,678 INFO L226 Difference]: Without dead ends: 4403 [2022-10-16 16:22:20,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:20,680 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 1794 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:20,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 917 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2022-10-16 16:22:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 4372. [2022-10-16 16:22:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 4314 states have (on average 1.4510894761242465) internal successors, (6260), 4371 states have internal predecessors, (6260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6260 transitions. [2022-10-16 16:22:21,007 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 6260 transitions. Word has length 75 [2022-10-16 16:22:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:21,008 INFO L495 AbstractCegarLoop]: Abstraction has 4372 states and 6260 transitions. [2022-10-16 16:22:21,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 6260 transitions. [2022-10-16 16:22:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:21,009 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:21,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:21,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:22:21,010 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1862019530, now seen corresponding path program 1 times [2022-10-16 16:22:21,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:21,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617538905] [2022-10-16 16:22:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:21,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:21,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:21,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617538905] [2022-10-16 16:22:21,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617538905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:21,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:21,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:21,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811707575] [2022-10-16 16:22:21,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:21,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:21,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:21,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:21,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:21,158 INFO L87 Difference]: Start difference. First operand 4372 states and 6260 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:22,101 INFO L93 Difference]: Finished difference Result 5068 states and 7253 transitions. [2022-10-16 16:22:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:22,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:22:22,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:22,112 INFO L225 Difference]: With dead ends: 5068 [2022-10-16 16:22:22,112 INFO L226 Difference]: Without dead ends: 5063 [2022-10-16 16:22:22,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:22,115 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 929 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:22,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 1505 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2022-10-16 16:22:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 4814. [2022-10-16 16:22:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4814 states, 4758 states have (on average 1.4525010508617067) internal successors, (6911), 4813 states have internal predecessors, (6911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4814 states and 6911 transitions. [2022-10-16 16:22:22,541 INFO L78 Accepts]: Start accepts. Automaton has 4814 states and 6911 transitions. Word has length 75 [2022-10-16 16:22:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:22,542 INFO L495 AbstractCegarLoop]: Abstraction has 4814 states and 6911 transitions. [2022-10-16 16:22:22,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 6911 transitions. [2022-10-16 16:22:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:22,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:22,544 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] [2022-10-16 16:22:22,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:22:22,544 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr144ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:22,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:22,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1972723190, now seen corresponding path program 1 times [2022-10-16 16:22:22,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:22,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680028208] [2022-10-16 16:22:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:22,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:22,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680028208] [2022-10-16 16:22:22,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680028208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:22,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:22,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:22,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268710842] [2022-10-16 16:22:22,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:22,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:22,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:22,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:22,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:22,690 INFO L87 Difference]: Start difference. First operand 4814 states and 6911 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:23,701 INFO L93 Difference]: Finished difference Result 5963 states and 8584 transitions. [2022-10-16 16:22:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:23,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:22:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:23,712 INFO L225 Difference]: With dead ends: 5963 [2022-10-16 16:22:23,713 INFO L226 Difference]: Without dead ends: 5958 [2022-10-16 16:22:23,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:23,715 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 906 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:23,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1425 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:23,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5958 states. [2022-10-16 16:22:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5958 to 5922. [2022-10-16 16:22:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5922 states, 5868 states have (on average 1.4594410361281527) internal successors, (8564), 5921 states have internal predecessors, (8564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 8564 transitions. [2022-10-16 16:22:24,252 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 8564 transitions. Word has length 75 [2022-10-16 16:22:24,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:24,252 INFO L495 AbstractCegarLoop]: Abstraction has 5922 states and 8564 transitions. [2022-10-16 16:22:24,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 8564 transitions. [2022-10-16 16:22:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:24,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:24,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:24,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:22:24,255 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1940135079, now seen corresponding path program 1 times [2022-10-16 16:22:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:24,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341016242] [2022-10-16 16:22:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:24,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:24,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:24,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341016242] [2022-10-16 16:22:24,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341016242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:24,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:24,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:24,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626085751] [2022-10-16 16:22:24,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:24,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:24,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:24,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:24,401 INFO L87 Difference]: Start difference. First operand 5922 states and 8564 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:25,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:25,573 INFO L93 Difference]: Finished difference Result 10257 states and 14983 transitions. [2022-10-16 16:22:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:25,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:25,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:25,585 INFO L225 Difference]: With dead ends: 10257 [2022-10-16 16:22:25,585 INFO L226 Difference]: Without dead ends: 6242 [2022-10-16 16:22:25,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:25,593 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1992 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:25,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 1537 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:25,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2022-10-16 16:22:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6216. [2022-10-16 16:22:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 6164 states have (on average 1.4566839714471123) internal successors, (8979), 6215 states have internal predecessors, (8979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 8979 transitions. [2022-10-16 16:22:26,088 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 8979 transitions. Word has length 76 [2022-10-16 16:22:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:26,089 INFO L495 AbstractCegarLoop]: Abstraction has 6216 states and 8979 transitions. [2022-10-16 16:22:26,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 8979 transitions. [2022-10-16 16:22:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:26,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:26,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:26,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:22:26,091 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:26,092 INFO L85 PathProgramCache]: Analyzing trace with hash -921400297, now seen corresponding path program 1 times [2022-10-16 16:22:26,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:26,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931939869] [2022-10-16 16:22:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:26,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:26,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931939869] [2022-10-16 16:22:26,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931939869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:26,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:26,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:26,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851711656] [2022-10-16 16:22:26,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:26,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:26,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:26,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:26,269 INFO L87 Difference]: Start difference. First operand 6216 states and 8979 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:27,385 INFO L93 Difference]: Finished difference Result 11510 states and 16839 transitions. [2022-10-16 16:22:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:22:27,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:27,394 INFO L225 Difference]: With dead ends: 11510 [2022-10-16 16:22:27,394 INFO L226 Difference]: Without dead ends: 6224 [2022-10-16 16:22:27,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:27,402 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1964 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:27,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 1548 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2022-10-16 16:22:28,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 6201. [2022-10-16 16:22:28,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6201 states, 6151 states have (on average 1.456673711591611) internal successors, (8960), 6200 states have internal predecessors, (8960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6201 states to 6201 states and 8960 transitions. [2022-10-16 16:22:28,078 INFO L78 Accepts]: Start accepts. Automaton has 6201 states and 8960 transitions. Word has length 76 [2022-10-16 16:22:28,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:28,079 INFO L495 AbstractCegarLoop]: Abstraction has 6201 states and 8960 transitions. [2022-10-16 16:22:28,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6201 states and 8960 transitions. [2022-10-16 16:22:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:28,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:28,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:28,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:22:28,083 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:28,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1912278527, now seen corresponding path program 1 times [2022-10-16 16:22:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:28,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885301139] [2022-10-16 16:22:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:28,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:28,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:28,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885301139] [2022-10-16 16:22:28,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885301139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:28,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:28,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:28,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946021286] [2022-10-16 16:22:28,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:28,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:28,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:28,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:28,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:28,243 INFO L87 Difference]: Start difference. First operand 6201 states and 8960 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:29,432 INFO L93 Difference]: Finished difference Result 10240 states and 14981 transitions. [2022-10-16 16:22:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:29,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:29,438 INFO L225 Difference]: With dead ends: 10240 [2022-10-16 16:22:29,438 INFO L226 Difference]: Without dead ends: 6447 [2022-10-16 16:22:29,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:29,444 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 1952 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:29,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 1693 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:29,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6447 states. [2022-10-16 16:22:30,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6447 to 6421. [2022-10-16 16:22:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6421 states, 6373 states have (on average 1.4548878079397458) internal successors, (9272), 6420 states have internal predecessors, (9272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 9272 transitions. [2022-10-16 16:22:30,017 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 9272 transitions. Word has length 76 [2022-10-16 16:22:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:30,017 INFO L495 AbstractCegarLoop]: Abstraction has 6421 states and 9272 transitions. [2022-10-16 16:22:30,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 9272 transitions. [2022-10-16 16:22:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:30,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:30,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:30,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:22:30,020 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:30,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:30,020 INFO L85 PathProgramCache]: Analyzing trace with hash 740365086, now seen corresponding path program 1 times [2022-10-16 16:22:30,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:30,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113411651] [2022-10-16 16:22:30,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:30,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:30,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113411651] [2022-10-16 16:22:30,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113411651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:30,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:30,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:30,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702741845] [2022-10-16 16:22:30,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:30,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:30,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:30,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:30,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:30,147 INFO L87 Difference]: Start difference. First operand 6421 states and 9272 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:31,418 INFO L93 Difference]: Finished difference Result 9347 states and 13566 transitions. [2022-10-16 16:22:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:31,432 INFO L225 Difference]: With dead ends: 9347 [2022-10-16 16:22:31,432 INFO L226 Difference]: Without dead ends: 6667 [2022-10-16 16:22:31,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:31,437 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1915 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:31,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 1579 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2022-10-16 16:22:32,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6641. [2022-10-16 16:22:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6641 states, 6595 states have (on average 1.4532221379833208) internal successors, (9584), 6640 states have internal predecessors, (9584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6641 states to 6641 states and 9584 transitions. [2022-10-16 16:22:32,068 INFO L78 Accepts]: Start accepts. Automaton has 6641 states and 9584 transitions. Word has length 76 [2022-10-16 16:22:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:32,069 INFO L495 AbstractCegarLoop]: Abstraction has 6641 states and 9584 transitions. [2022-10-16 16:22:32,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 6641 states and 9584 transitions. [2022-10-16 16:22:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:32,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:32,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:32,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:22:32,072 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr156ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:32,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:32,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1577065230, now seen corresponding path program 1 times [2022-10-16 16:22:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:32,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172388396] [2022-10-16 16:22:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:32,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:32,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172388396] [2022-10-16 16:22:32,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172388396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:32,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:32,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420507905] [2022-10-16 16:22:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:32,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:32,214 INFO L87 Difference]: Start difference. First operand 6641 states and 9584 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:33,267 INFO L93 Difference]: Finished difference Result 7346 states and 10595 transitions. [2022-10-16 16:22:33,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:33,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:33,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:33,276 INFO L225 Difference]: With dead ends: 7346 [2022-10-16 16:22:33,276 INFO L226 Difference]: Without dead ends: 7339 [2022-10-16 16:22:33,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:33,278 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 651 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:33,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1425 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:33,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7339 states. [2022-10-16 16:22:33,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7339 to 6418. [2022-10-16 16:22:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6418 states, 6373 states have (on average 1.4461007374862702) internal successors, (9216), 6417 states have internal predecessors, (9216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6418 states to 6418 states and 9216 transitions. [2022-10-16 16:22:33,708 INFO L78 Accepts]: Start accepts. Automaton has 6418 states and 9216 transitions. Word has length 76 [2022-10-16 16:22:33,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:33,708 INFO L495 AbstractCegarLoop]: Abstraction has 6418 states and 9216 transitions. [2022-10-16 16:22:33,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6418 states and 9216 transitions. [2022-10-16 16:22:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:33,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:33,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:33,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:22:33,710 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr145ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:33,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:33,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1024877878, now seen corresponding path program 1 times [2022-10-16 16:22:33,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:33,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685078439] [2022-10-16 16:22:33,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:33,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:33,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:33,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685078439] [2022-10-16 16:22:33,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685078439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:33,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:33,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:33,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51656257] [2022-10-16 16:22:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:33,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:33,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:33,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:33,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:33,843 INFO L87 Difference]: Start difference. First operand 6418 states and 9216 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:34,779 INFO L93 Difference]: Finished difference Result 6443 states and 9216 transitions. [2022-10-16 16:22:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:34,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:22:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:34,786 INFO L225 Difference]: With dead ends: 6443 [2022-10-16 16:22:34,786 INFO L226 Difference]: Without dead ends: 6438 [2022-10-16 16:22:34,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:34,789 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 1204 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:34,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1073 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:34,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6438 states. [2022-10-16 16:22:35,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6438 to 5306. [2022-10-16 16:22:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5306 states, 5263 states have (on average 1.4328329849895496) internal successors, (7541), 5305 states have internal predecessors, (7541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 7541 transitions. [2022-10-16 16:22:35,163 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 7541 transitions. Word has length 76 [2022-10-16 16:22:35,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:35,163 INFO L495 AbstractCegarLoop]: Abstraction has 5306 states and 7541 transitions. [2022-10-16 16:22:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 7541 transitions. [2022-10-16 16:22:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:35,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:35,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:35,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:22:35,166 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:35,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 14645944, now seen corresponding path program 1 times [2022-10-16 16:22:35,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:35,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48959392] [2022-10-16 16:22:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:35,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:35,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48959392] [2022-10-16 16:22:35,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48959392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:35,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:35,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:35,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121957893] [2022-10-16 16:22:35,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:35,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:35,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:35,290 INFO L87 Difference]: Start difference. First operand 5306 states and 7541 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:36,480 INFO L93 Difference]: Finished difference Result 10234 states and 14753 transitions. [2022-10-16 16:22:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:36,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:36,487 INFO L225 Difference]: With dead ends: 10234 [2022-10-16 16:22:36,487 INFO L226 Difference]: Without dead ends: 6869 [2022-10-16 16:22:36,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:36,491 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2478 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:36,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 1056 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:36,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6869 states. [2022-10-16 16:22:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6869 to 6546. [2022-10-16 16:22:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6546 states, 6505 states have (on average 1.438739431206764) internal successors, (9359), 6545 states have internal predecessors, (9359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 9359 transitions. [2022-10-16 16:22:36,914 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 9359 transitions. Word has length 77 [2022-10-16 16:22:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:36,914 INFO L495 AbstractCegarLoop]: Abstraction has 6546 states and 9359 transitions. [2022-10-16 16:22:36,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 9359 transitions. [2022-10-16 16:22:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:36,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:36,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:36,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:22:36,917 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1895961960, now seen corresponding path program 1 times [2022-10-16 16:22:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:36,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207303383] [2022-10-16 16:22:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:37,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:37,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207303383] [2022-10-16 16:22:37,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207303383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:37,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:37,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640871436] [2022-10-16 16:22:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:37,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:37,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:37,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:37,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:37,050 INFO L87 Difference]: Start difference. First operand 6546 states and 9359 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:38,446 INFO L93 Difference]: Finished difference Result 6643 states and 9466 transitions. [2022-10-16 16:22:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:38,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:38,453 INFO L225 Difference]: With dead ends: 6643 [2022-10-16 16:22:38,453 INFO L226 Difference]: Without dead ends: 6639 [2022-10-16 16:22:38,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:38,455 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1430 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:38,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 2026 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:38,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6639 states. [2022-10-16 16:22:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6639 to 6619. [2022-10-16 16:22:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6619 states, 6579 states have (on average 1.4382124943000456) internal successors, (9462), 6618 states have internal predecessors, (9462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6619 states to 6619 states and 9462 transitions. [2022-10-16 16:22:38,950 INFO L78 Accepts]: Start accepts. Automaton has 6619 states and 9462 transitions. Word has length 77 [2022-10-16 16:22:38,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:38,951 INFO L495 AbstractCegarLoop]: Abstraction has 6619 states and 9462 transitions. [2022-10-16 16:22:38,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6619 states and 9462 transitions. [2022-10-16 16:22:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:38,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:38,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:38,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:22:38,954 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:38,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:38,954 INFO L85 PathProgramCache]: Analyzing trace with hash -724761650, now seen corresponding path program 1 times [2022-10-16 16:22:38,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:38,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274710882] [2022-10-16 16:22:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:38,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:39,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:39,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274710882] [2022-10-16 16:22:39,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274710882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:39,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:39,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:39,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063991275] [2022-10-16 16:22:39,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:39,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:39,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:39,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:39,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:39,094 INFO L87 Difference]: Start difference. First operand 6619 states and 9462 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:40,313 INFO L93 Difference]: Finished difference Result 7317 states and 10437 transitions. [2022-10-16 16:22:40,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:40,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:40,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:40,321 INFO L225 Difference]: With dead ends: 7317 [2022-10-16 16:22:40,321 INFO L226 Difference]: Without dead ends: 7313 [2022-10-16 16:22:40,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:40,324 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1428 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:40,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 1692 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2022-10-16 16:22:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 7284. [2022-10-16 16:22:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7245 states have (on average 1.4387853692201518) internal successors, (10424), 7283 states have internal predecessors, (10424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 10424 transitions. [2022-10-16 16:22:40,834 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 10424 transitions. Word has length 77 [2022-10-16 16:22:40,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:40,835 INFO L495 AbstractCegarLoop]: Abstraction has 7284 states and 10424 transitions. [2022-10-16 16:22:40,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 10424 transitions. [2022-10-16 16:22:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:40,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:40,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:40,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:22:40,837 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:40,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1535452338, now seen corresponding path program 1 times [2022-10-16 16:22:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:40,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195622006] [2022-10-16 16:22:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:40,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:40,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195622006] [2022-10-16 16:22:40,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195622006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:40,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:40,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:40,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039211461] [2022-10-16 16:22:40,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:40,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:40,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:40,967 INFO L87 Difference]: Start difference. First operand 7284 states and 10424 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:42,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:42,357 INFO L93 Difference]: Finished difference Result 7535 states and 10746 transitions. [2022-10-16 16:22:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:42,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:42,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:42,366 INFO L225 Difference]: With dead ends: 7535 [2022-10-16 16:22:42,366 INFO L226 Difference]: Without dead ends: 7531 [2022-10-16 16:22:42,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:42,368 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1360 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:42,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 2034 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2022-10-16 16:22:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 7505. [2022-10-16 16:22:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7505 states, 7467 states have (on average 1.4373911878933976) internal successors, (10733), 7504 states have internal predecessors, (10733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 7505 states and 10733 transitions. [2022-10-16 16:22:42,868 INFO L78 Accepts]: Start accepts. Automaton has 7505 states and 10733 transitions. Word has length 77 [2022-10-16 16:22:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:42,869 INFO L495 AbstractCegarLoop]: Abstraction has 7505 states and 10733 transitions. [2022-10-16 16:22:42,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 7505 states and 10733 transitions. [2022-10-16 16:22:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:42,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:42,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:42,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:22:42,871 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:42,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:42,871 INFO L85 PathProgramCache]: Analyzing trace with hash -848907054, now seen corresponding path program 1 times [2022-10-16 16:22:42,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:42,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960331575] [2022-10-16 16:22:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:42,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960331575] [2022-10-16 16:22:42,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960331575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:42,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:42,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171363477] [2022-10-16 16:22:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:42,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:42,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:42,994 INFO L87 Difference]: Start difference. First operand 7505 states and 10733 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:44,407 INFO L93 Difference]: Finished difference Result 16444 states and 23870 transitions. [2022-10-16 16:22:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:44,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:44,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:44,424 INFO L225 Difference]: With dead ends: 16444 [2022-10-16 16:22:44,425 INFO L226 Difference]: Without dead ends: 11068 [2022-10-16 16:22:44,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:44,434 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2344 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:44,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1117 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2022-10-16 16:22:45,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 10064. [2022-10-16 16:22:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10064 states, 10029 states have (on average 1.4507927011666168) internal successors, (14550), 10063 states have internal predecessors, (14550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 14550 transitions. [2022-10-16 16:22:45,218 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 14550 transitions. Word has length 77 [2022-10-16 16:22:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:45,219 INFO L495 AbstractCegarLoop]: Abstraction has 10064 states and 14550 transitions. [2022-10-16 16:22:45,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 14550 transitions. [2022-10-16 16:22:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:45,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:45,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:45,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:22:45,221 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:45,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:45,221 INFO L85 PathProgramCache]: Analyzing trace with hash -434125764, now seen corresponding path program 1 times [2022-10-16 16:22:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:45,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339924146] [2022-10-16 16:22:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:45,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:45,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339924146] [2022-10-16 16:22:45,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339924146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:45,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:45,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:45,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156140129] [2022-10-16 16:22:45,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:45,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:45,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:45,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:45,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:45,361 INFO L87 Difference]: Start difference. First operand 10064 states and 14550 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:46,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:46,800 INFO L93 Difference]: Finished difference Result 10315 states and 14872 transitions. [2022-10-16 16:22:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:46,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:46,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:46,813 INFO L225 Difference]: With dead ends: 10315 [2022-10-16 16:22:46,813 INFO L226 Difference]: Without dead ends: 10311 [2022-10-16 16:22:46,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:46,816 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1505 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:46,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1344 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10311 states. [2022-10-16 16:22:47,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10311 to 10285. [2022-10-16 16:22:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10285 states, 10251 states have (on average 1.450102429031314) internal successors, (14865), 10284 states have internal predecessors, (14865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10285 states to 10285 states and 14865 transitions. [2022-10-16 16:22:47,579 INFO L78 Accepts]: Start accepts. Automaton has 10285 states and 14865 transitions. Word has length 77 [2022-10-16 16:22:47,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:47,580 INFO L495 AbstractCegarLoop]: Abstraction has 10285 states and 14865 transitions. [2022-10-16 16:22:47,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 10285 states and 14865 transitions. [2022-10-16 16:22:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:47,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:47,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:47,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:22:47,582 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:47,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:47,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1476482140, now seen corresponding path program 1 times [2022-10-16 16:22:47,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:47,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291251558] [2022-10-16 16:22:47,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:47,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291251558] [2022-10-16 16:22:47,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291251558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:47,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:47,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:47,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836203143] [2022-10-16 16:22:47,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:47,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:47,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:47,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:47,702 INFO L87 Difference]: Start difference. First operand 10285 states and 14865 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:49,161 INFO L93 Difference]: Finished difference Result 17522 states and 25446 transitions. [2022-10-16 16:22:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:49,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:49,173 INFO L225 Difference]: With dead ends: 17522 [2022-10-16 16:22:49,173 INFO L226 Difference]: Without dead ends: 11865 [2022-10-16 16:22:49,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:49,180 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 2454 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:49,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 981 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11865 states. [2022-10-16 16:22:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11865 to 11302. [2022-10-16 16:22:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11302 states, 11271 states have (on average 1.4539082601366338) internal successors, (16387), 11301 states have internal predecessors, (16387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11302 states to 11302 states and 16387 transitions. [2022-10-16 16:22:49,973 INFO L78 Accepts]: Start accepts. Automaton has 11302 states and 16387 transitions. Word has length 77 [2022-10-16 16:22:49,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:49,973 INFO L495 AbstractCegarLoop]: Abstraction has 11302 states and 16387 transitions. [2022-10-16 16:22:49,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11302 states and 16387 transitions. [2022-10-16 16:22:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:49,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:49,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:49,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:22:49,975 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:49,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1600627544, now seen corresponding path program 1 times [2022-10-16 16:22:49,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:49,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731219657] [2022-10-16 16:22:49,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:50,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:50,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731219657] [2022-10-16 16:22:50,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731219657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:50,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:50,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:50,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244903785] [2022-10-16 16:22:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:50,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:50,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:50,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:50,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:50,112 INFO L87 Difference]: Start difference. First operand 11302 states and 16387 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:51,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:51,576 INFO L93 Difference]: Finished difference Result 12000 states and 17362 transitions. [2022-10-16 16:22:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:51,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:51,593 INFO L225 Difference]: With dead ends: 12000 [2022-10-16 16:22:51,593 INFO L226 Difference]: Without dead ends: 11996 [2022-10-16 16:22:51,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:51,598 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1476 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:51,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 1312 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:51,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2022-10-16 16:22:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 11967. [2022-10-16 16:22:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11967 states, 11937 states have (on average 1.4533802462930385) internal successors, (17349), 11966 states have internal predecessors, (17349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11967 states to 11967 states and 17349 transitions. [2022-10-16 16:22:52,633 INFO L78 Accepts]: Start accepts. Automaton has 11967 states and 17349 transitions. Word has length 77 [2022-10-16 16:22:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:52,634 INFO L495 AbstractCegarLoop]: Abstraction has 11967 states and 17349 transitions. [2022-10-16 16:22:52,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 11967 states and 17349 transitions. [2022-10-16 16:22:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:52,636 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:52,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:52,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:22:52,636 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:52,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1706444280, now seen corresponding path program 1 times [2022-10-16 16:22:52,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:52,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521024154] [2022-10-16 16:22:52,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:52,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:52,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521024154] [2022-10-16 16:22:52,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521024154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:52,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:52,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:52,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148841224] [2022-10-16 16:22:52,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:52,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:52,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:52,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:52,768 INFO L87 Difference]: Start difference. First operand 11967 states and 17349 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:54,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:54,351 INFO L93 Difference]: Finished difference Result 13343 states and 19308 transitions. [2022-10-16 16:22:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:54,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:22:54,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:54,366 INFO L225 Difference]: With dead ends: 13343 [2022-10-16 16:22:54,366 INFO L226 Difference]: Without dead ends: 13339 [2022-10-16 16:22:54,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:54,370 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 1441 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:54,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 1860 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13339 states. [2022-10-16 16:22:55,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13339 to 12632. [2022-10-16 16:22:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12603 states have (on average 1.4543362691422677) internal successors, (18329), 12631 states have internal predecessors, (18329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 18329 transitions. [2022-10-16 16:22:55,356 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 18329 transitions. Word has length 77 [2022-10-16 16:22:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:55,356 INFO L495 AbstractCegarLoop]: Abstraction has 12632 states and 18329 transitions. [2022-10-16 16:22:55,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 18329 transitions. [2022-10-16 16:22:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:22:55,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:55,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:55,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:22:55,357 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:55,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash -992773822, now seen corresponding path program 1 times [2022-10-16 16:22:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:55,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346556777] [2022-10-16 16:22:55,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:55,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:55,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:55,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346556777] [2022-10-16 16:22:55,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346556777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:55,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:55,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:55,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050464109] [2022-10-16 16:22:55,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:55,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:55,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:55,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:55,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:55,500 INFO L87 Difference]: Start difference. First operand 12632 states and 18329 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:57,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:57,416 INFO L93 Difference]: Finished difference Result 23440 states and 34319 transitions. [2022-10-16 16:22:57,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:57,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:22:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:57,435 INFO L225 Difference]: With dead ends: 23440 [2022-10-16 16:22:57,435 INFO L226 Difference]: Without dead ends: 16236 [2022-10-16 16:22:57,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:57,445 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 1589 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:57,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 1331 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16236 states. [2022-10-16 16:22:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16236 to 14715. [2022-10-16 16:22:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14715 states, 14687 states have (on average 1.464696670524954) internal successors, (21512), 14714 states have internal predecessors, (21512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14715 states to 14715 states and 21512 transitions. [2022-10-16 16:22:58,648 INFO L78 Accepts]: Start accepts. Automaton has 14715 states and 21512 transitions. Word has length 78 [2022-10-16 16:22:58,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:58,648 INFO L495 AbstractCegarLoop]: Abstraction has 14715 states and 21512 transitions. [2022-10-16 16:22:58,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 14715 states and 21512 transitions. [2022-10-16 16:22:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:22:58,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:58,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:58,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:22:58,650 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:22:58,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1793223471, now seen corresponding path program 1 times [2022-10-16 16:22:58,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:58,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664558195] [2022-10-16 16:22:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:58,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:58,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664558195] [2022-10-16 16:22:58,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664558195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:58,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:58,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:58,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46677366] [2022-10-16 16:22:58,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:58,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:58,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:58,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:58,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:58,808 INFO L87 Difference]: Start difference. First operand 14715 states and 21512 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:00,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:00,509 INFO L93 Difference]: Finished difference Result 14853 states and 21682 transitions. [2022-10-16 16:23:00,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:00,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:00,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:00,530 INFO L225 Difference]: With dead ends: 14853 [2022-10-16 16:23:00,530 INFO L226 Difference]: Without dead ends: 14851 [2022-10-16 16:23:00,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:00,535 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 839 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:00,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1309 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14851 states. [2022-10-16 16:23:01,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14851 to 14714. [2022-10-16 16:23:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14714 states, 14687 states have (on average 1.4645604956764486) internal successors, (21510), 14713 states have internal predecessors, (21510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14714 states to 14714 states and 21510 transitions. [2022-10-16 16:23:01,761 INFO L78 Accepts]: Start accepts. Automaton has 14714 states and 21510 transitions. Word has length 78 [2022-10-16 16:23:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:01,761 INFO L495 AbstractCegarLoop]: Abstraction has 14714 states and 21510 transitions. [2022-10-16 16:23:01,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14714 states and 21510 transitions. [2022-10-16 16:23:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:01,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:01,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:23:01,763 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr140ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1574365008, now seen corresponding path program 1 times [2022-10-16 16:23:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:01,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38521844] [2022-10-16 16:23:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:01,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:01,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38521844] [2022-10-16 16:23:01,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38521844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:01,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:01,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466843116] [2022-10-16 16:23:01,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:01,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:01,905 INFO L87 Difference]: Start difference. First operand 14714 states and 21510 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:03,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:03,505 INFO L93 Difference]: Finished difference Result 15412 states and 22476 transitions. [2022-10-16 16:23:03,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:03,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:03,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:03,524 INFO L225 Difference]: With dead ends: 15412 [2022-10-16 16:23:03,525 INFO L226 Difference]: Without dead ends: 15408 [2022-10-16 16:23:03,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:03,529 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 924 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:03,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1322 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15408 states. [2022-10-16 16:23:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15408 to 14935. [2022-10-16 16:23:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14935 states, 14909 states have (on average 1.4626735528875177) internal successors, (21807), 14934 states have internal predecessors, (21807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14935 states to 14935 states and 21807 transitions. [2022-10-16 16:23:04,730 INFO L78 Accepts]: Start accepts. Automaton has 14935 states and 21807 transitions. Word has length 78 [2022-10-16 16:23:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:04,731 INFO L495 AbstractCegarLoop]: Abstraction has 14935 states and 21807 transitions. [2022-10-16 16:23:04,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 14935 states and 21807 transitions. [2022-10-16 16:23:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:04,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:04,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:04,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:23:04,733 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:04,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1920152639, now seen corresponding path program 1 times [2022-10-16 16:23:04,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:04,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264205788] [2022-10-16 16:23:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:04,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:04,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:04,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264205788] [2022-10-16 16:23:04,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264205788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:04,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:04,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:04,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055626168] [2022-10-16 16:23:04,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:04,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:04,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:04,865 INFO L87 Difference]: Start difference. First operand 14935 states and 21807 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:06,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:06,914 INFO L93 Difference]: Finished difference Result 28699 states and 42210 transitions. [2022-10-16 16:23:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:06,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:06,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:06,939 INFO L225 Difference]: With dead ends: 28699 [2022-10-16 16:23:06,939 INFO L226 Difference]: Without dead ends: 18738 [2022-10-16 16:23:06,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:06,952 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1596 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:06,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 1070 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:06,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18738 states. [2022-10-16 16:23:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18738 to 17747. [2022-10-16 16:23:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17747 states, 17723 states have (on average 1.4737346950290582) internal successors, (26119), 17746 states have internal predecessors, (26119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 26119 transitions. [2022-10-16 16:23:08,472 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 26119 transitions. Word has length 78 [2022-10-16 16:23:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:08,472 INFO L495 AbstractCegarLoop]: Abstraction has 17747 states and 26119 transitions. [2022-10-16 16:23:08,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 26119 transitions. [2022-10-16 16:23:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:08,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:08,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:08,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:23:08,474 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr158ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:08,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:08,474 INFO L85 PathProgramCache]: Analyzing trace with hash 563807860, now seen corresponding path program 1 times [2022-10-16 16:23:08,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:08,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632037968] [2022-10-16 16:23:08,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:08,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:08,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632037968] [2022-10-16 16:23:08,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632037968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:08,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:08,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:08,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10409835] [2022-10-16 16:23:08,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:08,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:08,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:08,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:08,626 INFO L87 Difference]: Start difference. First operand 17747 states and 26119 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:11,069 INFO L93 Difference]: Finished difference Result 20912 states and 30758 transitions. [2022-10-16 16:23:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:11,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:11,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:11,101 INFO L225 Difference]: With dead ends: 20912 [2022-10-16 16:23:11,102 INFO L226 Difference]: Without dead ends: 20908 [2022-10-16 16:23:11,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:11,108 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1045 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:11,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 2089 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20908 states. [2022-10-16 16:23:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20908 to 20420. [2022-10-16 16:23:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20420 states, 20397 states have (on average 1.4751679168505172) internal successors, (30089), 20419 states have internal predecessors, (30089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20420 states to 20420 states and 30089 transitions. [2022-10-16 16:23:12,934 INFO L78 Accepts]: Start accepts. Automaton has 20420 states and 30089 transitions. Word has length 78 [2022-10-16 16:23:12,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:12,935 INFO L495 AbstractCegarLoop]: Abstraction has 20420 states and 30089 transitions. [2022-10-16 16:23:12,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20420 states and 30089 transitions. [2022-10-16 16:23:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:12,936 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:12,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:23:12,936 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr147ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:12,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:12,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1360166264, now seen corresponding path program 1 times [2022-10-16 16:23:12,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:12,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514442411] [2022-10-16 16:23:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:12,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:13,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:13,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514442411] [2022-10-16 16:23:13,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514442411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:13,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:13,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:13,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148612467] [2022-10-16 16:23:13,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:13,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:13,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:13,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:13,066 INFO L87 Difference]: Start difference. First operand 20420 states and 30089 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:15,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:15,644 INFO L93 Difference]: Finished difference Result 32459 states and 47655 transitions. [2022-10-16 16:23:15,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:15,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:15,673 INFO L225 Difference]: With dead ends: 32459 [2022-10-16 16:23:15,673 INFO L226 Difference]: Without dead ends: 23718 [2022-10-16 16:23:15,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:15,686 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 1642 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:15,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 1392 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23718 states. [2022-10-16 16:23:17,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23718 to 23134. [2022-10-16 16:23:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23134 states, 23113 states have (on average 1.476571626357461) internal successors, (34128), 23133 states have internal predecessors, (34128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23134 states to 23134 states and 34128 transitions. [2022-10-16 16:23:17,761 INFO L78 Accepts]: Start accepts. Automaton has 23134 states and 34128 transitions. Word has length 78 [2022-10-16 16:23:17,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:17,761 INFO L495 AbstractCegarLoop]: Abstraction has 23134 states and 34128 transitions. [2022-10-16 16:23:17,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 23134 states and 34128 transitions. [2022-10-16 16:23:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:17,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:17,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:17,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:23:17,763 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr152ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:17,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash 559716615, now seen corresponding path program 1 times [2022-10-16 16:23:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:17,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695043718] [2022-10-16 16:23:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:17,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:17,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695043718] [2022-10-16 16:23:17,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695043718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:17,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:17,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:17,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131988408] [2022-10-16 16:23:17,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:17,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:17,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:17,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:17,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:17,901 INFO L87 Difference]: Start difference. First operand 23134 states and 34128 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:20,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:20,747 INFO L93 Difference]: Finished difference Result 23800 states and 35063 transitions. [2022-10-16 16:23:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:20,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:23:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:20,783 INFO L225 Difference]: With dead ends: 23800 [2022-10-16 16:23:20,783 INFO L226 Difference]: Without dead ends: 23798 [2022-10-16 16:23:20,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:20,791 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 824 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:20,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 2132 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:23:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23798 states. [2022-10-16 16:23:23,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23798 to 23771. [2022-10-16 16:23:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23771 states, 23751 states have (on average 1.4758957517578206) internal successors, (35054), 23770 states have internal predecessors, (35054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 35054 transitions. [2022-10-16 16:23:23,096 INFO L78 Accepts]: Start accepts. Automaton has 23771 states and 35054 transitions. Word has length 78 [2022-10-16 16:23:23,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:23,096 INFO L495 AbstractCegarLoop]: Abstraction has 23771 states and 35054 transitions. [2022-10-16 16:23:23,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 23771 states and 35054 transitions. [2022-10-16 16:23:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:23:23,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:23,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:23,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:23:23,098 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr159ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:23,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:23,099 INFO L85 PathProgramCache]: Analyzing trace with hash 298175680, now seen corresponding path program 1 times [2022-10-16 16:23:23,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:23,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741315996] [2022-10-16 16:23:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:23,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741315996] [2022-10-16 16:23:23,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741315996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:23,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:23,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629752756] [2022-10-16 16:23:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:23,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:23,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:23,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:23,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:23,231 INFO L87 Difference]: Start difference. First operand 23771 states and 35054 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:25,434 INFO L93 Difference]: Finished difference Result 27596 states and 40639 transitions. [2022-10-16 16:23:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:25,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:23:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:25,457 INFO L225 Difference]: With dead ends: 27596 [2022-10-16 16:23:25,457 INFO L226 Difference]: Without dead ends: 19677 [2022-10-16 16:23:25,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:25,467 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 973 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:25,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 1323 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19677 states. [2022-10-16 16:23:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19677 to 11740. [2022-10-16 16:23:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 11721 states have (on average 1.4894633563689106) internal successors, (17458), 11739 states have internal predecessors, (17458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 17458 transitions. [2022-10-16 16:23:26,514 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 17458 transitions. Word has length 79 [2022-10-16 16:23:26,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:26,514 INFO L495 AbstractCegarLoop]: Abstraction has 11740 states and 17458 transitions. [2022-10-16 16:23:26,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 17458 transitions. [2022-10-16 16:23:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:23:26,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:26,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:26,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:23:26,515 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash 798115926, now seen corresponding path program 1 times [2022-10-16 16:23:26,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:26,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091182522] [2022-10-16 16:23:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:26,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:26,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:26,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091182522] [2022-10-16 16:23:26,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091182522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:26,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:26,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:26,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530641461] [2022-10-16 16:23:26,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:26,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:26,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:26,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:26,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:26,651 INFO L87 Difference]: Start difference. First operand 11740 states and 17458 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:28,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:28,128 INFO L93 Difference]: Finished difference Result 11826 states and 17543 transitions. [2022-10-16 16:23:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:28,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:23:28,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:28,143 INFO L225 Difference]: With dead ends: 11826 [2022-10-16 16:23:28,143 INFO L226 Difference]: Without dead ends: 11825 [2022-10-16 16:23:28,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:28,147 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 530 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:28,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1751 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11825 states. [2022-10-16 16:23:29,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11825 to 11740. [2022-10-16 16:23:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 11721 states have (on average 1.4894633563689106) internal successors, (17458), 11739 states have internal predecessors, (17458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 17458 transitions. [2022-10-16 16:23:29,180 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 17458 transitions. Word has length 80 [2022-10-16 16:23:29,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:29,181 INFO L495 AbstractCegarLoop]: Abstraction has 11740 states and 17458 transitions. [2022-10-16 16:23:29,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 17458 transitions. [2022-10-16 16:23:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:23:29,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:29,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:29,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:23:29,182 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:29,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1079405889, now seen corresponding path program 1 times [2022-10-16 16:23:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:29,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884873462] [2022-10-16 16:23:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:29,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:29,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:29,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884873462] [2022-10-16 16:23:29,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884873462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:29,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:29,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:23:29,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545172752] [2022-10-16 16:23:29,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:29,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:23:29,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:29,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:23:29,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:29,252 INFO L87 Difference]: Start difference. First operand 11740 states and 17458 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:30,407 INFO L93 Difference]: Finished difference Result 11740 states and 17458 transitions. [2022-10-16 16:23:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:23:30,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:23:30,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:30,420 INFO L225 Difference]: With dead ends: 11740 [2022-10-16 16:23:30,420 INFO L226 Difference]: Without dead ends: 11738 [2022-10-16 16:23:30,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:30,424 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 613 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:30,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 653 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:30,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11738 states. [2022-10-16 16:23:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11738 to 11738. [2022-10-16 16:23:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11738 states, 11721 states have (on average 1.4758979609248357) internal successors, (17299), 11737 states have internal predecessors, (17299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11738 states to 11738 states and 17299 transitions. [2022-10-16 16:23:31,643 INFO L78 Accepts]: Start accepts. Automaton has 11738 states and 17299 transitions. Word has length 82 [2022-10-16 16:23:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:31,644 INFO L495 AbstractCegarLoop]: Abstraction has 11738 states and 17299 transitions. [2022-10-16 16:23:31,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 11738 states and 17299 transitions. [2022-10-16 16:23:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:23:31,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:31,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:31,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:23:31,645 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:31,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash 898156215, now seen corresponding path program 1 times [2022-10-16 16:23:31,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:31,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236695973] [2022-10-16 16:23:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236695973] [2022-10-16 16:23:31,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236695973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:31,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:31,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:31,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830712871] [2022-10-16 16:23:31,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:31,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:31,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:31,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:31,801 INFO L87 Difference]: Start difference. First operand 11738 states and 17299 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:32,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:32,900 INFO L93 Difference]: Finished difference Result 11738 states and 17299 transitions. [2022-10-16 16:23:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:32,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:23:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:32,914 INFO L225 Difference]: With dead ends: 11738 [2022-10-16 16:23:32,914 INFO L226 Difference]: Without dead ends: 11665 [2022-10-16 16:23:32,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:32,919 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 585 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:32,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1273 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:32,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11665 states. [2022-10-16 16:23:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11665 to 11665. [2022-10-16 16:23:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11665 states, 11650 states have (on average 1.46206008583691) internal successors, (17033), 11664 states have internal predecessors, (17033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 17033 transitions. [2022-10-16 16:23:34,156 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 17033 transitions. Word has length 83 [2022-10-16 16:23:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:34,156 INFO L495 AbstractCegarLoop]: Abstraction has 11665 states and 17033 transitions. [2022-10-16 16:23:34,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 17033 transitions. [2022-10-16 16:23:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:23:34,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:34,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:34,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:23:34,159 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:34,159 INFO L85 PathProgramCache]: Analyzing trace with hash -707547394, now seen corresponding path program 1 times [2022-10-16 16:23:34,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:34,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073963760] [2022-10-16 16:23:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:34,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:34,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073963760] [2022-10-16 16:23:34,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073963760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:34,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:34,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:34,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956022048] [2022-10-16 16:23:34,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:34,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:34,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:34,292 INFO L87 Difference]: Start difference. First operand 11665 states and 17033 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:35,757 INFO L93 Difference]: Finished difference Result 11970 states and 17445 transitions. [2022-10-16 16:23:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:35,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:23:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:35,772 INFO L225 Difference]: With dead ends: 11970 [2022-10-16 16:23:35,773 INFO L226 Difference]: Without dead ends: 11967 [2022-10-16 16:23:35,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:35,777 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 714 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:35,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1084 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11967 states. [2022-10-16 16:23:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11967 to 11665. [2022-10-16 16:23:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11665 states, 11650 states have (on average 1.4592274678111588) internal successors, (17000), 11664 states have internal predecessors, (17000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 17000 transitions. [2022-10-16 16:23:36,882 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 17000 transitions. Word has length 108 [2022-10-16 16:23:36,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:36,882 INFO L495 AbstractCegarLoop]: Abstraction has 11665 states and 17000 transitions. [2022-10-16 16:23:36,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 17000 transitions. [2022-10-16 16:23:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:23:36,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:36,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:36,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:23:36,885 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:36,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:36,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1144226041, now seen corresponding path program 1 times [2022-10-16 16:23:36,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:36,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464482497] [2022-10-16 16:23:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:36,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:37,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:37,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464482497] [2022-10-16 16:23:37,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464482497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:37,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:37,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:37,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927630437] [2022-10-16 16:23:37,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:37,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:37,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:37,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:37,020 INFO L87 Difference]: Start difference. First operand 11665 states and 17000 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:38,765 INFO L93 Difference]: Finished difference Result 13883 states and 20244 transitions. [2022-10-16 16:23:38,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:38,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:23:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:38,781 INFO L225 Difference]: With dead ends: 13883 [2022-10-16 16:23:38,781 INFO L226 Difference]: Without dead ends: 13880 [2022-10-16 16:23:38,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:38,785 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 405 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:38,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1646 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13880 states. [2022-10-16 16:23:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13880 to 13795. [2022-10-16 16:23:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13795 states, 13780 states have (on average 1.4582728592162555) internal successors, (20095), 13794 states have internal predecessors, (20095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13795 states to 13795 states and 20095 transitions. [2022-10-16 16:23:40,026 INFO L78 Accepts]: Start accepts. Automaton has 13795 states and 20095 transitions. Word has length 108 [2022-10-16 16:23:40,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:40,026 INFO L495 AbstractCegarLoop]: Abstraction has 13795 states and 20095 transitions. [2022-10-16 16:23:40,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 13795 states and 20095 transitions. [2022-10-16 16:23:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:23:40,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:40,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:40,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:23:40,029 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:40,030 INFO L85 PathProgramCache]: Analyzing trace with hash -276993082, now seen corresponding path program 1 times [2022-10-16 16:23:40,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:40,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264614762] [2022-10-16 16:23:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:40,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:40,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264614762] [2022-10-16 16:23:40,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264614762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:40,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:40,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342432755] [2022-10-16 16:23:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:40,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:40,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:40,155 INFO L87 Difference]: Start difference. First operand 13795 states and 20095 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:41,931 INFO L93 Difference]: Finished difference Result 14042 states and 20424 transitions. [2022-10-16 16:23:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:41,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:23:41,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:41,948 INFO L225 Difference]: With dead ends: 14042 [2022-10-16 16:23:41,949 INFO L226 Difference]: Without dead ends: 14039 [2022-10-16 16:23:41,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:41,953 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 866 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:41,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1170 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:41,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14039 states. [2022-10-16 16:23:43,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14039 to 13795. [2022-10-16 16:23:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13795 states, 13780 states have (on average 1.4560957910014514) internal successors, (20065), 13794 states have internal predecessors, (20065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13795 states to 13795 states and 20065 transitions. [2022-10-16 16:23:43,280 INFO L78 Accepts]: Start accepts. Automaton has 13795 states and 20065 transitions. Word has length 109 [2022-10-16 16:23:43,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:43,281 INFO L495 AbstractCegarLoop]: Abstraction has 13795 states and 20065 transitions. [2022-10-16 16:23:43,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:43,281 INFO L276 IsEmpty]: Start isEmpty. Operand 13795 states and 20065 transitions. [2022-10-16 16:23:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:23:43,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:43,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:43,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:23:43,285 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:43,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1981387078, now seen corresponding path program 1 times [2022-10-16 16:23:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:43,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393885522] [2022-10-16 16:23:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:43,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:43,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:43,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393885522] [2022-10-16 16:23:43,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393885522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:43,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:43,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:43,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705764133] [2022-10-16 16:23:43,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:43,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:43,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:43,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:43,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:43,391 INFO L87 Difference]: Start difference. First operand 13795 states and 20065 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:45,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:45,343 INFO L93 Difference]: Finished difference Result 16230 states and 23527 transitions. [2022-10-16 16:23:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:45,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:23:45,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:45,365 INFO L225 Difference]: With dead ends: 16230 [2022-10-16 16:23:45,366 INFO L226 Difference]: Without dead ends: 16227 [2022-10-16 16:23:45,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:45,370 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 216 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:45,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1529 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16227 states. [2022-10-16 16:23:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16227 to 13792. [2022-10-16 16:23:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13792 states, 13780 states have (on average 1.4370101596516691) internal successors, (19802), 13791 states have internal predecessors, (19802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13792 states to 13792 states and 19802 transitions. [2022-10-16 16:23:46,642 INFO L78 Accepts]: Start accepts. Automaton has 13792 states and 19802 transitions. Word has length 109 [2022-10-16 16:23:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:46,643 INFO L495 AbstractCegarLoop]: Abstraction has 13792 states and 19802 transitions. [2022-10-16 16:23:46,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 13792 states and 19802 transitions. [2022-10-16 16:23:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:23:46,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:46,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:46,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:23:46,646 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1348200800, now seen corresponding path program 1 times [2022-10-16 16:23:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:46,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167268998] [2022-10-16 16:23:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:46,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:46,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167268998] [2022-10-16 16:23:46,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167268998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:46,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:46,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:46,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545986024] [2022-10-16 16:23:46,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:46,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:46,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:46,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:46,814 INFO L87 Difference]: Start difference. First operand 13792 states and 19802 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:48,640 INFO L93 Difference]: Finished difference Result 14663 states and 21012 transitions. [2022-10-16 16:23:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:48,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:23:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:48,658 INFO L225 Difference]: With dead ends: 14663 [2022-10-16 16:23:48,658 INFO L226 Difference]: Without dead ends: 14660 [2022-10-16 16:23:48,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:48,664 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 913 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:48,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1157 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14660 states. [2022-10-16 16:23:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14660 to 14294. [2022-10-16 16:23:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14294 states, 14282 states have (on average 1.435303178826495) internal successors, (20499), 14293 states have internal predecessors, (20499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14294 states to 14294 states and 20499 transitions. [2022-10-16 16:23:50,045 INFO L78 Accepts]: Start accepts. Automaton has 14294 states and 20499 transitions. Word has length 110 [2022-10-16 16:23:50,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:50,045 INFO L495 AbstractCegarLoop]: Abstraction has 14294 states and 20499 transitions. [2022-10-16 16:23:50,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14294 states and 20499 transitions. [2022-10-16 16:23:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:23:50,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:50,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:50,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:23:50,048 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1132702185, now seen corresponding path program 1 times [2022-10-16 16:23:50,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:50,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402702919] [2022-10-16 16:23:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:50,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402702919] [2022-10-16 16:23:50,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402702919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:50,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:50,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:50,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627143394] [2022-10-16 16:23:50,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:50,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:50,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:50,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:50,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:50,210 INFO L87 Difference]: Start difference. First operand 14294 states and 20499 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:52,173 INFO L93 Difference]: Finished difference Result 14660 states and 20998 transitions. [2022-10-16 16:23:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:52,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:23:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:52,189 INFO L225 Difference]: With dead ends: 14660 [2022-10-16 16:23:52,189 INFO L226 Difference]: Without dead ends: 14659 [2022-10-16 16:23:52,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:52,193 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 828 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:52,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1694 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14659 states. [2022-10-16 16:23:53,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14659 to 14516. [2022-10-16 16:23:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14516 states, 14504 states have (on average 1.4363623827909542) internal successors, (20833), 14515 states have internal predecessors, (20833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14516 states to 14516 states and 20833 transitions. [2022-10-16 16:23:53,537 INFO L78 Accepts]: Start accepts. Automaton has 14516 states and 20833 transitions. Word has length 110 [2022-10-16 16:23:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:53,537 INFO L495 AbstractCegarLoop]: Abstraction has 14516 states and 20833 transitions. [2022-10-16 16:23:53,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 14516 states and 20833 transitions. [2022-10-16 16:23:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:23:53,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:53,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:53,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:23:53,540 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:53,540 INFO L85 PathProgramCache]: Analyzing trace with hash 909754909, now seen corresponding path program 1 times [2022-10-16 16:23:53,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:53,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561860769] [2022-10-16 16:23:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:53,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:53,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:53,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561860769] [2022-10-16 16:23:53,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561860769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:53,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:53,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:53,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903218309] [2022-10-16 16:23:53,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:53,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:53,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:53,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:53,735 INFO L87 Difference]: Start difference. First operand 14516 states and 20833 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:55,511 INFO L93 Difference]: Finished difference Result 14896 states and 21350 transitions. [2022-10-16 16:23:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:55,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:23:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:55,530 INFO L225 Difference]: With dead ends: 14896 [2022-10-16 16:23:55,530 INFO L226 Difference]: Without dead ends: 14895 [2022-10-16 16:23:55,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:55,535 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 926 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:55,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1123 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14895 states. [2022-10-16 16:23:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14895 to 14590. [2022-10-16 16:23:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14578 states have (on average 1.4362738372890658) internal successors, (20938), 14589 states have internal predecessors, (20938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 20938 transitions. [2022-10-16 16:23:56,939 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 20938 transitions. Word has length 110 [2022-10-16 16:23:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:56,939 INFO L495 AbstractCegarLoop]: Abstraction has 14590 states and 20938 transitions. [2022-10-16 16:23:56,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 20938 transitions. [2022-10-16 16:23:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:23:56,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:56,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:23:56,942 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:56,942 INFO L85 PathProgramCache]: Analyzing trace with hash -89585559, now seen corresponding path program 1 times [2022-10-16 16:23:56,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:56,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282730902] [2022-10-16 16:23:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:56,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:57,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:57,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282730902] [2022-10-16 16:23:57,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282730902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:57,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:57,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:57,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853231456] [2022-10-16 16:23:57,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:57,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:57,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:57,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:57,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:57,099 INFO L87 Difference]: Start difference. First operand 14590 states and 20938 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:58,866 INFO L93 Difference]: Finished difference Result 14626 states and 20938 transitions. [2022-10-16 16:23:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:58,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:23:58,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:58,882 INFO L225 Difference]: With dead ends: 14626 [2022-10-16 16:23:58,883 INFO L226 Difference]: Without dead ends: 14623 [2022-10-16 16:23:58,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:58,887 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 985 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:58,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 1399 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14623 states. [2022-10-16 16:24:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14623 to 14590. [2022-10-16 16:24:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14578 states have (on average 1.4354506791055015) internal successors, (20926), 14589 states have internal predecessors, (20926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 20926 transitions. [2022-10-16 16:24:00,324 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 20926 transitions. Word has length 110 [2022-10-16 16:24:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:00,324 INFO L495 AbstractCegarLoop]: Abstraction has 14590 states and 20926 transitions. [2022-10-16 16:24:00,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 20926 transitions. [2022-10-16 16:24:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:00,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:00,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:00,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:24:00,327 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:00,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:00,328 INFO L85 PathProgramCache]: Analyzing trace with hash 742218142, now seen corresponding path program 1 times [2022-10-16 16:24:00,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:00,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560728262] [2022-10-16 16:24:00,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:00,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:00,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:00,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560728262] [2022-10-16 16:24:00,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560728262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:00,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:00,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:00,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121402268] [2022-10-16 16:24:00,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:00,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:00,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:00,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:00,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:00,430 INFO L87 Difference]: Start difference. First operand 14590 states and 20926 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:02,554 INFO L93 Difference]: Finished difference Result 17603 states and 25222 transitions. [2022-10-16 16:24:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:24:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:02,572 INFO L225 Difference]: With dead ends: 17603 [2022-10-16 16:24:02,572 INFO L226 Difference]: Without dead ends: 17600 [2022-10-16 16:24:02,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:02,576 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 344 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:02,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1586 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17600 states. [2022-10-16 16:24:03,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17600 to 12904. [2022-10-16 16:24:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12904 states, 12892 states have (on average 1.4311200744647843) internal successors, (18450), 12903 states have internal predecessors, (18450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12904 states to 12904 states and 18450 transitions. [2022-10-16 16:24:03,801 INFO L78 Accepts]: Start accepts. Automaton has 12904 states and 18450 transitions. Word has length 111 [2022-10-16 16:24:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:03,801 INFO L495 AbstractCegarLoop]: Abstraction has 12904 states and 18450 transitions. [2022-10-16 16:24:03,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12904 states and 18450 transitions. [2022-10-16 16:24:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:03,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:03,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:03,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:24:03,804 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:03,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:03,805 INFO L85 PathProgramCache]: Analyzing trace with hash 97632616, now seen corresponding path program 1 times [2022-10-16 16:24:03,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:03,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947279614] [2022-10-16 16:24:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:03,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:03,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947279614] [2022-10-16 16:24:03,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947279614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:03,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:03,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064990190] [2022-10-16 16:24:03,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:03,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:03,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:03,967 INFO L87 Difference]: Start difference. First operand 12904 states and 18450 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:05,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:05,664 INFO L93 Difference]: Finished difference Result 13775 states and 19658 transitions. [2022-10-16 16:24:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:05,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:24:05,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:05,680 INFO L225 Difference]: With dead ends: 13775 [2022-10-16 16:24:05,681 INFO L226 Difference]: Without dead ends: 13772 [2022-10-16 16:24:05,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:05,685 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 1095 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:05,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 1021 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13772 states. [2022-10-16 16:24:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13772 to 13274. [2022-10-16 16:24:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13274 states, 13262 states have (on average 1.4297994269340975) internal successors, (18962), 13273 states have internal predecessors, (18962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13274 states to 13274 states and 18962 transitions. [2022-10-16 16:24:07,001 INFO L78 Accepts]: Start accepts. Automaton has 13274 states and 18962 transitions. Word has length 111 [2022-10-16 16:24:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:07,001 INFO L495 AbstractCegarLoop]: Abstraction has 13274 states and 18962 transitions. [2022-10-16 16:24:07,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 13274 states and 18962 transitions. [2022-10-16 16:24:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:07,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:07,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:07,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 16:24:07,005 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:07,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:07,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1442481768, now seen corresponding path program 1 times [2022-10-16 16:24:07,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:07,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131729488] [2022-10-16 16:24:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:07,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:07,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:07,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131729488] [2022-10-16 16:24:07,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131729488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:07,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:07,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042465625] [2022-10-16 16:24:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:07,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:07,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:07,112 INFO L87 Difference]: Start difference. First operand 13274 states and 18962 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:09,245 INFO L93 Difference]: Finished difference Result 18346 states and 26291 transitions. [2022-10-16 16:24:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:09,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:24:09,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:09,265 INFO L225 Difference]: With dead ends: 18346 [2022-10-16 16:24:09,265 INFO L226 Difference]: Without dead ends: 18340 [2022-10-16 16:24:09,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:09,269 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 368 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:09,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1641 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:09,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18340 states. [2022-10-16 16:24:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18340 to 14722. [2022-10-16 16:24:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14722 states, 14710 states have (on average 1.4227056424201223) internal successors, (20928), 14721 states have internal predecessors, (20928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14722 states to 14722 states and 20928 transitions. [2022-10-16 16:24:10,597 INFO L78 Accepts]: Start accepts. Automaton has 14722 states and 20928 transitions. Word has length 111 [2022-10-16 16:24:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:10,598 INFO L495 AbstractCegarLoop]: Abstraction has 14722 states and 20928 transitions. [2022-10-16 16:24:10,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 14722 states and 20928 transitions. [2022-10-16 16:24:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:10,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:10,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:10,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 16:24:10,601 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:10,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1517815348, now seen corresponding path program 1 times [2022-10-16 16:24:10,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:10,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464481614] [2022-10-16 16:24:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:10,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:10,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464481614] [2022-10-16 16:24:10,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464481614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:10,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:10,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:10,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037086326] [2022-10-16 16:24:10,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:10,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:10,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:10,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:10,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:10,736 INFO L87 Difference]: Start difference. First operand 14722 states and 20928 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:12,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:12,709 INFO L93 Difference]: Finished difference Result 17291 states and 24570 transitions. [2022-10-16 16:24:12,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:12,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:24:12,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:12,729 INFO L225 Difference]: With dead ends: 17291 [2022-10-16 16:24:12,729 INFO L226 Difference]: Without dead ends: 15541 [2022-10-16 16:24:12,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:12,737 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 926 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:12,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1512 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15541 states. [2022-10-16 16:24:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15541 to 13402. [2022-10-16 16:24:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13402 states, 13390 states have (on average 1.4238237490664676) internal successors, (19065), 13401 states have internal predecessors, (19065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13402 states to 13402 states and 19065 transitions. [2022-10-16 16:24:14,028 INFO L78 Accepts]: Start accepts. Automaton has 13402 states and 19065 transitions. Word has length 111 [2022-10-16 16:24:14,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:14,028 INFO L495 AbstractCegarLoop]: Abstraction has 13402 states and 19065 transitions. [2022-10-16 16:24:14,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13402 states and 19065 transitions. [2022-10-16 16:24:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:14,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:14,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:14,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 16:24:14,030 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:14,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1113795125, now seen corresponding path program 1 times [2022-10-16 16:24:14,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:14,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330516438] [2022-10-16 16:24:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:14,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:14,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330516438] [2022-10-16 16:24:14,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330516438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:14,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:14,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:14,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139417300] [2022-10-16 16:24:14,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:14,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:14,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:14,152 INFO L87 Difference]: Start difference. First operand 13402 states and 19065 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:16,272 INFO L93 Difference]: Finished difference Result 14985 states and 21297 transitions. [2022-10-16 16:24:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:24:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:16,288 INFO L225 Difference]: With dead ends: 14985 [2022-10-16 16:24:16,289 INFO L226 Difference]: Without dead ends: 14868 [2022-10-16 16:24:16,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:16,293 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 456 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:16,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 2052 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:16,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14868 states. [2022-10-16 16:24:17,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14868 to 14844. [2022-10-16 16:24:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14844 states, 14832 states have (on average 1.4237459546925566) internal successors, (21117), 14843 states have internal predecessors, (21117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14844 states to 14844 states and 21117 transitions. [2022-10-16 16:24:17,846 INFO L78 Accepts]: Start accepts. Automaton has 14844 states and 21117 transitions. Word has length 112 [2022-10-16 16:24:17,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:17,846 INFO L495 AbstractCegarLoop]: Abstraction has 14844 states and 21117 transitions. [2022-10-16 16:24:17,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:17,847 INFO L276 IsEmpty]: Start isEmpty. Operand 14844 states and 21117 transitions. [2022-10-16 16:24:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:17,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:17,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:17,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 16:24:17,849 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:17,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1299588067, now seen corresponding path program 1 times [2022-10-16 16:24:17,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:17,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255019599] [2022-10-16 16:24:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:17,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255019599] [2022-10-16 16:24:17,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255019599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:17,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:17,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172921768] [2022-10-16 16:24:17,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:17,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:17,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:17,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:17,980 INFO L87 Difference]: Start difference. First operand 14844 states and 21117 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:20,218 INFO L93 Difference]: Finished difference Result 16195 states and 23012 transitions. [2022-10-16 16:24:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:20,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:24:20,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:20,240 INFO L225 Difference]: With dead ends: 16195 [2022-10-16 16:24:20,240 INFO L226 Difference]: Without dead ends: 16013 [2022-10-16 16:24:20,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:20,244 INFO L413 NwaCegarLoop]: 933 mSDtfsCounter, 456 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:20,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1878 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16013 states. [2022-10-16 16:24:21,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16013 to 15983. [2022-10-16 16:24:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15983 states, 15971 states have (on average 1.4232671717487946) internal successors, (22731), 15982 states have internal predecessors, (22731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15983 states to 15983 states and 22731 transitions. [2022-10-16 16:24:22,004 INFO L78 Accepts]: Start accepts. Automaton has 15983 states and 22731 transitions. Word has length 112 [2022-10-16 16:24:22,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:22,004 INFO L495 AbstractCegarLoop]: Abstraction has 15983 states and 22731 transitions. [2022-10-16 16:24:22,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15983 states and 22731 transitions. [2022-10-16 16:24:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:22,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:22,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:22,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 16:24:22,007 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:22,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:22,007 INFO L85 PathProgramCache]: Analyzing trace with hash 331563917, now seen corresponding path program 1 times [2022-10-16 16:24:22,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:22,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233333440] [2022-10-16 16:24:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:22,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:22,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:22,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233333440] [2022-10-16 16:24:22,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233333440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:22,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:22,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:22,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065076881] [2022-10-16 16:24:22,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:22,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:22,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:22,137 INFO L87 Difference]: Start difference. First operand 15983 states and 22731 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:24,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:24,440 INFO L93 Difference]: Finished difference Result 16061 states and 22813 transitions. [2022-10-16 16:24:24,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:24,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:24:24,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:24,455 INFO L225 Difference]: With dead ends: 16061 [2022-10-16 16:24:24,455 INFO L226 Difference]: Without dead ends: 15756 [2022-10-16 16:24:24,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:24,458 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 414 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:24,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 2189 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:24,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15756 states. [2022-10-16 16:24:25,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15756 to 15505. [2022-10-16 16:24:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15505 states, 15493 states have (on average 1.423287936487446) internal successors, (22051), 15504 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15505 states to 15505 states and 22051 transitions. [2022-10-16 16:24:25,993 INFO L78 Accepts]: Start accepts. Automaton has 15505 states and 22051 transitions. Word has length 112 [2022-10-16 16:24:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:25,994 INFO L495 AbstractCegarLoop]: Abstraction has 15505 states and 22051 transitions. [2022-10-16 16:24:25,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 15505 states and 22051 transitions. [2022-10-16 16:24:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:25,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:25,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:25,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 16:24:25,997 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:25,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:25,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1171368198, now seen corresponding path program 1 times [2022-10-16 16:24:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:25,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939716693] [2022-10-16 16:24:25,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:25,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:26,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:26,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939716693] [2022-10-16 16:24:26,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939716693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:26,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:26,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:26,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957655956] [2022-10-16 16:24:26,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:26,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:26,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:26,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:26,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:26,124 INFO L87 Difference]: Start difference. First operand 15505 states and 22051 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:28,278 INFO L93 Difference]: Finished difference Result 16142 states and 22922 transitions. [2022-10-16 16:24:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:28,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:24:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:28,298 INFO L225 Difference]: With dead ends: 16142 [2022-10-16 16:24:28,298 INFO L226 Difference]: Without dead ends: 15892 [2022-10-16 16:24:28,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:28,303 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 499 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:28,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1717 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15892 states. [2022-10-16 16:24:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15892 to 14754. [2022-10-16 16:24:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14754 states, 14742 states have (on average 1.4234839234839234) internal successors, (20985), 14753 states have internal predecessors, (20985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14754 states to 14754 states and 20985 transitions. [2022-10-16 16:24:29,770 INFO L78 Accepts]: Start accepts. Automaton has 14754 states and 20985 transitions. Word has length 112 [2022-10-16 16:24:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:29,770 INFO L495 AbstractCegarLoop]: Abstraction has 14754 states and 20985 transitions. [2022-10-16 16:24:29,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 14754 states and 20985 transitions. [2022-10-16 16:24:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:24:29,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:29,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:29,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 16:24:29,773 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:29,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash 307075392, now seen corresponding path program 1 times [2022-10-16 16:24:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653760849] [2022-10-16 16:24:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:29,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:29,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653760849] [2022-10-16 16:24:29,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653760849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:29,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:29,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:29,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649088088] [2022-10-16 16:24:29,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:29,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:29,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:29,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:29,935 INFO L87 Difference]: Start difference. First operand 14754 states and 20985 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:32,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:32,512 INFO L93 Difference]: Finished difference Result 20892 states and 29772 transitions. [2022-10-16 16:24:32,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:32,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 16:24:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:32,539 INFO L225 Difference]: With dead ends: 20892 [2022-10-16 16:24:32,539 INFO L226 Difference]: Without dead ends: 19324 [2022-10-16 16:24:32,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:32,547 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 424 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:32,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2049 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:32,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19324 states. [2022-10-16 16:24:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19324 to 14236. [2022-10-16 16:24:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14224 states have (on average 1.420908323959505) internal successors, (20211), 14235 states have internal predecessors, (20211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 20211 transitions. [2022-10-16 16:24:34,080 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 20211 transitions. Word has length 113 [2022-10-16 16:24:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:34,081 INFO L495 AbstractCegarLoop]: Abstraction has 14236 states and 20211 transitions. [2022-10-16 16:24:34,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 20211 transitions. [2022-10-16 16:24:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:24:34,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:34,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:34,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 16:24:34,084 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1049445494, now seen corresponding path program 1 times [2022-10-16 16:24:34,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:34,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607555682] [2022-10-16 16:24:34,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:34,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:34,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607555682] [2022-10-16 16:24:34,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607555682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:34,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:34,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236736492] [2022-10-16 16:24:34,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:34,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:34,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:34,233 INFO L87 Difference]: Start difference. First operand 14236 states and 20211 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:36,667 INFO L93 Difference]: Finished difference Result 18578 states and 26323 transitions. [2022-10-16 16:24:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:36,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 16:24:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:36,687 INFO L225 Difference]: With dead ends: 18578 [2022-10-16 16:24:36,687 INFO L226 Difference]: Without dead ends: 15191 [2022-10-16 16:24:36,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:36,694 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 477 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:36,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1648 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15191 states. [2022-10-16 16:24:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15191 to 13143. [2022-10-16 16:24:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13143 states, 13131 states have (on average 1.4193130759271952) internal successors, (18637), 13142 states have internal predecessors, (18637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13143 states to 13143 states and 18637 transitions. [2022-10-16 16:24:38,230 INFO L78 Accepts]: Start accepts. Automaton has 13143 states and 18637 transitions. Word has length 113 [2022-10-16 16:24:38,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:38,230 INFO L495 AbstractCegarLoop]: Abstraction has 13143 states and 18637 transitions. [2022-10-16 16:24:38,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 13143 states and 18637 transitions. [2022-10-16 16:24:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 16:24:38,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:38,234 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 16:24:38,234 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:38,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:38,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2142519030, now seen corresponding path program 1 times [2022-10-16 16:24:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:38,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728504464] [2022-10-16 16:24:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:38,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:38,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728504464] [2022-10-16 16:24:38,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728504464] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:24:38,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139851259] [2022-10-16 16:24:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:38,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:24:38,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:24:38,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:24:38,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:24:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:38,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:24:38,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:24:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:24:38,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:24:38,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139851259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:38,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:24:38,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:24:38,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188037071] [2022-10-16 16:24:38,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:38,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:38,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:38,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:38,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:24:38,696 INFO L87 Difference]: Start difference. First operand 13143 states and 18637 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:42,164 INFO L93 Difference]: Finished difference Result 38645 states and 55090 transitions. [2022-10-16 16:24:42,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:42,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2022-10-16 16:24:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:42,197 INFO L225 Difference]: With dead ends: 38645 [2022-10-16 16:24:42,197 INFO L226 Difference]: Without dead ends: 25705 [2022-10-16 16:24:42,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:42,212 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1561 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:42,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 443 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:24:42,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25705 states. [2022-10-16 16:24:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25705 to 25627. [2022-10-16 16:24:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25627 states, 25615 states have (on average 1.4205738824907281) internal successors, (36388), 25626 states have internal predecessors, (36388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25627 states to 25627 states and 36388 transitions. [2022-10-16 16:24:45,697 INFO L78 Accepts]: Start accepts. Automaton has 25627 states and 36388 transitions. Word has length 144 [2022-10-16 16:24:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:45,697 INFO L495 AbstractCegarLoop]: Abstraction has 25627 states and 36388 transitions. [2022-10-16 16:24:45,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 25627 states and 36388 transitions. [2022-10-16 16:24:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 16:24:45,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:45,703 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:45,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:24:45,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-10-16 16:24:45,919 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:45,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:45,920 INFO L85 PathProgramCache]: Analyzing trace with hash -549720328, now seen corresponding path program 1 times [2022-10-16 16:24:45,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:45,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190607813] [2022-10-16 16:24:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:46,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:46,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190607813] [2022-10-16 16:24:46,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190607813] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:24:46,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195073024] [2022-10-16 16:24:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:46,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:24:46,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:24:46,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:24:46,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:24:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:46,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:24:46,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:24:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:24:46,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:24:46,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195073024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:46,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:24:46,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:24:46,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831113452] [2022-10-16 16:24:46,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:46,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:46,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:46,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:46,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:24:46,370 INFO L87 Difference]: Start difference. First operand 25627 states and 36388 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:49,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:49,811 INFO L93 Difference]: Finished difference Result 51051 states and 72566 transitions. [2022-10-16 16:24:49,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:49,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-10-16 16:24:49,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:49,845 INFO L225 Difference]: With dead ends: 51051 [2022-10-16 16:24:49,845 INFO L226 Difference]: Without dead ends: 25542 [2022-10-16 16:24:49,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:49,867 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 620 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:49,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 250 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:24:49,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25542 states. [2022-10-16 16:24:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25542 to 25542. [2022-10-16 16:24:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25542 states, 25530 states have (on average 1.4080297688993342) internal successors, (35947), 25541 states have internal predecessors, (35947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25542 states to 25542 states and 35947 transitions. [2022-10-16 16:24:53,573 INFO L78 Accepts]: Start accepts. Automaton has 25542 states and 35947 transitions. Word has length 145 [2022-10-16 16:24:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:53,573 INFO L495 AbstractCegarLoop]: Abstraction has 25542 states and 35947 transitions. [2022-10-16 16:24:53,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 25542 states and 35947 transitions. [2022-10-16 16:24:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-16 16:24:53,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:53,578 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:53,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:24:53,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 16:24:53,780 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:53,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1923413436, now seen corresponding path program 1 times [2022-10-16 16:24:53,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:53,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769989266] [2022-10-16 16:24:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:53,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:53,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:53,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769989266] [2022-10-16 16:24:53,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769989266] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:24:53,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856193950] [2022-10-16 16:24:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:53,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:24:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:24:53,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:24:53,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:24:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:54,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:24:54,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:24:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:24:54,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:24:54,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856193950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:54,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:24:54,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:24:54,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760749443] [2022-10-16 16:24:54,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:54,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:54,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:54,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:54,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:24:54,206 INFO L87 Difference]: Start difference. First operand 25542 states and 35947 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:58,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:58,040 INFO L93 Difference]: Finished difference Result 50966 states and 71773 transitions. [2022-10-16 16:24:58,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:58,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2022-10-16 16:24:58,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:58,072 INFO L225 Difference]: With dead ends: 50966 [2022-10-16 16:24:58,073 INFO L226 Difference]: Without dead ends: 25501 [2022-10-16 16:24:58,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:58,096 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 525 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:58,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 219 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:24:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25501 states. [2022-10-16 16:25:01,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25501 to 25501. [2022-10-16 16:25:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25501 states, 25489 states have (on average 1.3947977558946996) internal successors, (35552), 25500 states have internal predecessors, (35552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25501 states to 25501 states and 35552 transitions. [2022-10-16 16:25:01,808 INFO L78 Accepts]: Start accepts. Automaton has 25501 states and 35552 transitions. Word has length 146 [2022-10-16 16:25:01,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:01,808 INFO L495 AbstractCegarLoop]: Abstraction has 25501 states and 35552 transitions. [2022-10-16 16:25:01,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25501 states and 35552 transitions. [2022-10-16 16:25:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 16:25:01,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:01,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:01,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:02,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:02,015 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:02,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 438842745, now seen corresponding path program 1 times [2022-10-16 16:25:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:02,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669405398] [2022-10-16 16:25:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:02,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669405398] [2022-10-16 16:25:02,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669405398] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037136067] [2022-10-16 16:25:02,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:02,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:02,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:02,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:02,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:25:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:02,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:02,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:02,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:02,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037136067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:02,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:02,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:02,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506928926] [2022-10-16 16:25:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:02,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:02,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:02,424 INFO L87 Difference]: Start difference. First operand 25501 states and 35552 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:06,392 INFO L93 Difference]: Finished difference Result 50925 states and 71026 transitions. [2022-10-16 16:25:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:06,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-10-16 16:25:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:06,426 INFO L225 Difference]: With dead ends: 50925 [2022-10-16 16:25:06,426 INFO L226 Difference]: Without dead ends: 25482 [2022-10-16 16:25:06,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:06,442 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 498 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:06,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 209 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:06,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25482 states. [2022-10-16 16:25:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25482 to 25482. [2022-10-16 16:25:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25482 states, 25470 states have (on average 1.381232822928936) internal successors, (35180), 25481 states have internal predecessors, (35180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25482 states to 25482 states and 35180 transitions. [2022-10-16 16:25:10,243 INFO L78 Accepts]: Start accepts. Automaton has 25482 states and 35180 transitions. Word has length 147 [2022-10-16 16:25:10,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:10,244 INFO L495 AbstractCegarLoop]: Abstraction has 25482 states and 35180 transitions. [2022-10-16 16:25:10,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 25482 states and 35180 transitions. [2022-10-16 16:25:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 16:25:10,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:10,249 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:10,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:10,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:10,454 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:10,455 INFO L85 PathProgramCache]: Analyzing trace with hash -19132515, now seen corresponding path program 1 times [2022-10-16 16:25:10,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:10,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794414461] [2022-10-16 16:25:10,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:10,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:10,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794414461] [2022-10-16 16:25:10,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794414461] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:10,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516654640] [2022-10-16 16:25:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:10,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:10,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:10,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:10,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:25:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:10,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:25:10,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:25:11,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:11,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516654640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:11,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:11,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:25:11,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114197778] [2022-10-16 16:25:11,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:11,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:25:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:25:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:25:11,078 INFO L87 Difference]: Start difference. First operand 25482 states and 35180 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:31,159 INFO L93 Difference]: Finished difference Result 142834 states and 198112 transitions. [2022-10-16 16:25:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:25:31,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2022-10-16 16:25:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:31,513 INFO L225 Difference]: With dead ends: 142834 [2022-10-16 16:25:31,513 INFO L226 Difference]: Without dead ends: 117544 [2022-10-16 16:25:31,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:25:31,554 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1575 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:31,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 686 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:31,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117544 states. [2022-10-16 16:25:42,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117544 to 54060. [2022-10-16 16:25:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54060 states, 54048 states have (on average 1.3849726169330965) internal successors, (74855), 54059 states have internal predecessors, (74855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54060 states to 54060 states and 74855 transitions. [2022-10-16 16:25:42,476 INFO L78 Accepts]: Start accepts. Automaton has 54060 states and 74855 transitions. Word has length 148 [2022-10-16 16:25:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:42,476 INFO L495 AbstractCegarLoop]: Abstraction has 54060 states and 74855 transitions. [2022-10-16 16:25:42,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 54060 states and 74855 transitions. [2022-10-16 16:25:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 16:25:42,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:42,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:42,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:42,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2022-10-16 16:25:42,686 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:42,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2119160335, now seen corresponding path program 1 times [2022-10-16 16:25:42,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:42,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449692558] [2022-10-16 16:25:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:42,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449692558] [2022-10-16 16:25:42,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449692558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:42,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:42,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:42,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125778783] [2022-10-16 16:25:42,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:42,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:42,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:42,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:42,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:42,839 INFO L87 Difference]: Start difference. First operand 54060 states and 74855 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)