./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum_array-2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/sum_array-2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:21:14,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:21:14,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:21:14,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:21:14,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:21:14,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:21:14,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:21:14,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:21:14,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:21:14,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:21:14,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:21:14,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:21:14,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:21:14,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:21:14,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:21:14,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:21:14,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:21:14,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:21:14,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:21:14,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:21:14,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:21:14,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:21:14,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:21:14,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:21:14,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:21:14,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:21:14,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:21:14,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:21:14,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:21:14,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:21:14,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:21:14,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:21:14,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:21:14,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:21:14,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:21:14,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:21:14,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:21:14,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:21:14,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:21:14,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:21:14,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:21:14,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-16 04:21:14,239 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:21:14,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:21:14,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:21:14,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:21:14,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:21:14,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:21:14,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:21:14,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:21:14,242 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:21:14,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:21:14,242 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:21:14,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:21:14,244 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:21:14,244 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:21:14,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:21:14,244 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:21:14,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:21:14,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:21:14,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:21:14,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:21:14,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:21:14,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:21:14,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:21:14,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:21:14,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:21:14,247 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:21:14,247 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 [2023-02-16 04:21:14,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:21:14,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:21:14,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:21:14,489 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:21:14,489 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:21:14,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum_array-2-2.i [2023-02-16 04:21:15,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:21:15,629 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:21:15,629 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i [2023-02-16 04:21:15,634 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf822014/222be2713b914d65a642404e01b3efac/FLAG292b35459 [2023-02-16 04:21:15,645 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf822014/222be2713b914d65a642404e01b3efac [2023-02-16 04:21:15,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:21:15,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:21:15,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:21:15,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:21:15,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:21:15,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f38b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15, skipping insertion in model container [2023-02-16 04:21:15,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:21:15,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:21:15,770 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i[940,953] [2023-02-16 04:21:15,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:21:15,797 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:21:15,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i[940,953] [2023-02-16 04:21:15,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:21:15,830 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:21:15,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15 WrapperNode [2023-02-16 04:21:15,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:21:15,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:21:15,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:21:15,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:21:15,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,863 INFO L138 Inliner]: procedures = 18, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2023-02-16 04:21:15,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:21:15,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:21:15,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:21:15,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:21:15,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:21:15,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:21:15,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:21:15,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:21:15,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (1/1) ... [2023-02-16 04:21:15,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:21:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:21:15,936 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) [2023-02-16 04:21:15,948 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 [2023-02-16 04:21:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:21:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 04:21:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-16 04:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-16 04:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:21:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-16 04:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-16 04:21:16,010 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:21:16,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:21:16,159 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:21:16,163 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:21:16,164 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 04:21:16,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:21:16 BoogieIcfgContainer [2023-02-16 04:21:16,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:21:16,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:21:16,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:21:16,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:21:16,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:21:15" (1/3) ... [2023-02-16 04:21:16,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b8f521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:21:16, skipping insertion in model container [2023-02-16 04:21:16,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:21:15" (2/3) ... [2023-02-16 04:21:16,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b8f521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:21:16, skipping insertion in model container [2023-02-16 04:21:16,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:21:16" (3/3) ... [2023-02-16 04:21:16,175 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-2-2.i [2023-02-16 04:21:16,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:21:16,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-16 04:21:16,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:21:16,218 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=PETRI_NET, 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;@63fe6498, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:21:16,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-16 04:21:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:21:16,224 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:21:16,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:21:16,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:21:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:21:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1313663593, now seen corresponding path program 1 times [2023-02-16 04:21:16,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:21:16,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426106867] [2023-02-16 04:21:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:16,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:21:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:16,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:21:16,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426106867] [2023-02-16 04:21:16,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426106867] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:21:16,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:21:16,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:21:16,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833627291] [2023-02-16 04:21:16,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:21:16,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:21:16,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:21:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:21:16,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:21:16,495 INFO L87 Difference]: Start difference. First operand has 33 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:16,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:21:16,584 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2023-02-16 04:21:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:21:16,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:21:16,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:21:16,627 INFO L225 Difference]: With dead ends: 95 [2023-02-16 04:21:16,627 INFO L226 Difference]: Without dead ends: 50 [2023-02-16 04:21:16,629 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 [2023-02-16 04:21:16,631 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 39 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:21:16,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 76 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:21:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-16 04:21:16,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2023-02-16 04:21:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-02-16 04:21:16,666 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 9 [2023-02-16 04:21:16,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:21:16,667 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-02-16 04:21:16,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-02-16 04:21:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-16 04:21:16,668 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:21:16,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:21:16,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:21:16,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:21:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:21:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash -322250057, now seen corresponding path program 1 times [2023-02-16 04:21:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:21:16,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473394672] [2023-02-16 04:21:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:21:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:18,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:21:18,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473394672] [2023-02-16 04:21:18,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473394672] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:21:18,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488366319] [2023-02-16 04:21:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:18,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:21:18,230 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) [2023-02-16 04:21:18,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:21:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:18,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-16 04:21:18,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:21:18,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-16 04:21:18,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-16 04:21:18,401 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:21:18,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:21:18,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2023-02-16 04:21:18,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:21:18,489 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:21:18,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-02-16 04:21:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:18,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:21:19,586 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:21:19,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 117 [2023-02-16 04:21:19,957 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:19,961 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:21:19,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-16 04:21:19,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-02-16 04:21:19,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-16 04:21:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:21:20,007 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:21:20,015 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,020 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,024 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-02-16 04:21:20,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-02-16 04:21:20,041 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,043 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,046 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 154 [2023-02-16 04:21:20,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2023-02-16 04:21:20,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 176 [2023-02-16 04:21:20,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 154 [2023-02-16 04:21:20,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2023-02-16 04:21:20,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-16 04:21:20,220 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-02-16 04:21:20,230 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,233 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,235 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,237 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:21:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:20,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488366319] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:21:20,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:21:20,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2023-02-16 04:21:20,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058056992] [2023-02-16 04:21:20,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:21:20,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-02-16 04:21:20,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:21:20,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-02-16 04:21:20,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2023-02-16 04:21:20,275 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:21:22,540 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2023-02-16 04:21:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-16 04:21:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-16 04:21:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:21:22,542 INFO L225 Difference]: With dead ends: 102 [2023-02-16 04:21:22,542 INFO L226 Difference]: Without dead ends: 101 [2023-02-16 04:21:22,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=812, Invalid=3220, Unknown=0, NotChecked=0, Total=4032 [2023-02-16 04:21:22,544 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 171 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 04:21:22,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 296 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 04:21:22,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-02-16 04:21:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 48. [2023-02-16 04:21:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 47 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-02-16 04:21:22,551 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 17 [2023-02-16 04:21:22,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:21:22,551 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-02-16 04:21:22,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-02-16 04:21:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-16 04:21:22,552 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:21:22,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:21:22,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-16 04:21:22,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:22,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:21:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:21:22,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1399817078, now seen corresponding path program 1 times [2023-02-16 04:21:22,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:21:22,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195577630] [2023-02-16 04:21:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:21:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:23,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:21:23,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195577630] [2023-02-16 04:21:23,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195577630] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:21:23,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919622258] [2023-02-16 04:21:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:21:23,693 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) [2023-02-16 04:21:23,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:21:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:23,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-16 04:21:23,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:21:23,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-16 04:21:23,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-16 04:21:23,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-02-16 04:21:23,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-02-16 04:21:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:23,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:21:24,215 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:21:24,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 113 [2023-02-16 04:21:24,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 142 [2023-02-16 04:21:24,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-02-16 04:21:24,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-02-16 04:21:24,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-16 04:21:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:24,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919622258] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:21:24,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:21:24,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2023-02-16 04:21:24,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166543821] [2023-02-16 04:21:24,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:21:24,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-16 04:21:24,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:21:24,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-16 04:21:24,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:21:24,415 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:25,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:21:25,553 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2023-02-16 04:21:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-16 04:21:25,554 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-16 04:21:25,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:21:25,554 INFO L225 Difference]: With dead ends: 99 [2023-02-16 04:21:25,554 INFO L226 Difference]: Without dead ends: 98 [2023-02-16 04:21:25,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2023-02-16 04:21:25,556 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 205 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:21:25,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 265 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:21:25,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-02-16 04:21:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 49. [2023-02-16 04:21:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-02-16 04:21:25,562 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 18 [2023-02-16 04:21:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:21:25,562 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-02-16 04:21:25,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-02-16 04:21:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-16 04:21:25,563 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:21:25,563 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:21:25,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-16 04:21:25,792 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,SelfDestructingSolverStorable2 [2023-02-16 04:21:25,792 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:21:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:21:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2112995717, now seen corresponding path program 1 times [2023-02-16 04:21:25,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:21:25,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894738461] [2023-02-16 04:21:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:21:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:21:25,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:21:25,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894738461] [2023-02-16 04:21:25,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894738461] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:21:25,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258524625] [2023-02-16 04:21:25,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:25,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:25,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:21:25,977 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) [2023-02-16 04:21:26,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:21:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:26,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:21:26,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:21:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:21:26,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:21:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:21:26,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258524625] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:21:26,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:21:26,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2023-02-16 04:21:26,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093191636] [2023-02-16 04:21:26,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:21:26,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-16 04:21:26,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:21:26,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-16 04:21:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-02-16 04:21:26,174 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 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) [2023-02-16 04:21:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:21:26,300 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2023-02-16 04:21:26,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:21:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 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 21 [2023-02-16 04:21:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:21:26,301 INFO L225 Difference]: With dead ends: 117 [2023-02-16 04:21:26,301 INFO L226 Difference]: Without dead ends: 90 [2023-02-16 04:21:26,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-02-16 04:21:26,302 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 178 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:21:26,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 157 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:21:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-16 04:21:26,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 59. [2023-02-16 04:21:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:21:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2023-02-16 04:21:26,309 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 21 [2023-02-16 04:21:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:21:26,309 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2023-02-16 04:21:26,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 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) [2023-02-16 04:21:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2023-02-16 04:21:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-16 04:21:26,310 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:21:26,310 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] [2023-02-16 04:21:26,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:21:26,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:26,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:21:26,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:21:26,515 INFO L85 PathProgramCache]: Analyzing trace with hash 930598631, now seen corresponding path program 1 times [2023-02-16 04:21:26,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:21:26,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681883449] [2023-02-16 04:21:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:21:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:27,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:21:27,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681883449] [2023-02-16 04:21:27,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681883449] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:21:27,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528015486] [2023-02-16 04:21:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:21:27,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:21:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:21:27,765 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) [2023-02-16 04:21:27,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:21:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:21:27,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 35 conjunts are in the unsatisfiable core [2023-02-16 04:21:27,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:21:27,818 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-16 04:21:27,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-02-16 04:21:27,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-16 04:21:27,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:21:27,854 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:21:27,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2023-02-16 04:21:27,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:21:27,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:21:28,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2023-02-16 04:21:28,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-02-16 04:21:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:21:28,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:21:28,201 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_142 (Array Int Int))) (< 0 (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse0 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649)))) is different from false [2023-02-16 04:21:28,345 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse5 2147483647)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (* .cse5 4))) (and (or .cse0 (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3 (- 17179869184)) v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649)))))) (or (not .cse0) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) 2147483649))))))))) is different from false [2023-02-16 04:21:28,352 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset| v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse0 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649))))) is different from false [2023-02-16 04:21:28,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:21:28,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 517 treesize of output 513 [2023-02-16 04:21:28,536 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:21:28,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 464 treesize of output 424 [2023-02-16 04:22:25,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2023-02-16 04:22:25,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 179 [2023-02-16 04:22:25,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 179 [2023-02-16 04:22:25,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-16 04:22:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,582 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,625 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,665 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,665 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,667 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,688 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,714 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,718 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,720 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,723 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,725 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,727 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,729 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,730 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,737 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,778 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,898 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:25,918 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:25,967 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,968 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,970 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,971 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,972 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,980 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,982 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,986 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,987 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,988 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,992 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,993 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,994 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,995 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,996 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,997 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:25,999 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-02-16 04:22:26,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-02-16 04:22:26,026 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,036 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,037 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,043 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,044 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,047 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,049 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,050 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,121 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,123 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,124 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,125 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,126 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,127 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,128 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,130 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,133 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,134 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,136 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,137 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,138 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,139 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,142 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,143 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,144 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,146 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,148 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,149 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,150 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,152 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,154 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,158 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,162 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,164 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,166 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,167 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,169 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,174 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,176 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,178 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,180 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,181 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,183 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,184 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,186 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,187 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,188 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,189 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,191 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,192 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,193 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,196 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,197 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,199 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,200 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,202 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,207 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,215 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:26,221 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,225 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,230 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,235 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,242 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,245 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,246 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,247 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,248 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,251 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,252 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,258 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,261 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,263 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,264 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,265 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,267 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,272 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,273 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,275 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,276 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,279 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,282 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,294 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,296 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,298 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,299 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,300 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,301 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,303 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,308 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,310 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,311 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-02-16 04:22:26,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:26,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2023-02-16 04:22:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 238 [2023-02-16 04:22:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:26,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 400 treesize of output 366 [2023-02-16 04:22:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:26,595 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:22:26,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 627 treesize of output 577 [2023-02-16 04:22:26,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1645 treesize of output 1593 [2023-02-16 04:22:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:28,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2023-02-16 04:22:28,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 125 [2023-02-16 04:22:28,257 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:28,259 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:28,273 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:22:28,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2458 treesize of output 2372 [2023-02-16 04:22:29,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 418 [2023-02-16 04:22:29,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 125 [2023-02-16 04:22:29,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2023-02-16 04:22:29,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 506 [2023-02-16 04:22:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:22:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-02-16 04:22:30,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528015486] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:22:30,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:22:30,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 34 [2023-02-16 04:22:30,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080208010] [2023-02-16 04:22:30,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:22:30,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-02-16 04:22:30,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:22:30,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-02-16 04:22:30,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=836, Unknown=3, NotChecked=186, Total=1190 [2023-02-16 04:22:30,138 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:22:34,705 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse6 2147483647)) (.cse3 (* .cse6 4)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|))) (and (or .cse0 (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3 (- 17179869184)) v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649)))))) (or (not .cse0) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) 2147483649)))))) (or (not (<= 0 (+ |c_ULTIMATE.start_main_#t~mem5#1| 1000000))) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 Int) (v_ArrVal_142 (Array Int Int))) (or (< (+ v_ArrVal_141 1000000) 0) (< 0 (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 |ULTIMATE.start_main_~#B~0#1.offset| v_ArrVal_141)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse5 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse5 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649))))))))) is different from false [2023-02-16 04:22:34,795 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_ArrVal_142 (Array Int Int))) (< 0 (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_142))) (+ (select (select .cse5 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse5 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) 2147483649)))))) (and (or .cse0 (not (<= 0 (+ |c_ULTIMATE.start_main_#t~mem9#1| 1000000)))) (or .cse0 (let ((.cse4 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (* .cse4 4)) (.cse1 (<= .cse4 2147483647))) (and (or .cse1 (< (+ (select .cse2 (+ |c_ULTIMATE.start_main_~#B~0#1.offset| .cse3 (- 17179869184))) 1000000) 0)) (or (< (+ (select .cse2 (+ |c_ULTIMATE.start_main_~#B~0#1.offset| .cse3)) 1000000) 0) (not .cse1)))))))) is different from false [2023-02-16 04:22:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:22:35,127 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2023-02-16 04:22:35,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-16 04:22:35,128 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-16 04:22:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:22:35,128 INFO L225 Difference]: With dead ends: 92 [2023-02-16 04:22:35,128 INFO L226 Difference]: Without dead ends: 91 [2023-02-16 04:22:35,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 24 SyntacticMatches, 8 SemanticMatches, 48 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=363, Invalid=1623, Unknown=14, NotChecked=450, Total=2450 [2023-02-16 04:22:35,130 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 54 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 22 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 132 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:22:35,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 236 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 399 Invalid, 17 Unknown, 132 Unchecked, 0.3s Time] [2023-02-16 04:22:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-16 04:22:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2023-02-16 04:22:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 77 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:22:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-02-16 04:22:35,141 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 23 [2023-02-16 04:22:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:22:35,141 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-02-16 04:22:35,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:22:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-02-16 04:22:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-16 04:22:35,142 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:22:35,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:22:35,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-16 04:22:35,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:22:35,347 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:22:35,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:22:35,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1216213396, now seen corresponding path program 1 times [2023-02-16 04:22:35,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:22:35,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065811556] [2023-02-16 04:22:35,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:22:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:22:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:22:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:22:36,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:22:36,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065811556] [2023-02-16 04:22:36,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065811556] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:22:36,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128683493] [2023-02-16 04:22:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:22:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:22:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:22:36,407 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) [2023-02-16 04:22:36,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:22:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:22:36,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 35 conjunts are in the unsatisfiable core [2023-02-16 04:22:36,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:22:36,478 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-16 04:22:36,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-02-16 04:22:36,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-16 04:22:36,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-02-16 04:22:36,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-02-16 04:22:36,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-02-16 04:22:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:22:36,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:22:36,872 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int))) (< (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_182))) (+ (select (select .cse0 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|))) 2147483648)) is different from false [2023-02-16 04:22:36,959 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse5 2147483647)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (* .cse5 4))) (and (or .cse0 (forall ((v_ArrVal_182 (Array Int Int)) (|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_180 Int)) (or (< 1000000 v_ArrVal_180) (< (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3 (- 17179869184)) v_ArrVal_180)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_182))) (+ (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|))) 2147483648)))) (or (not .cse0) (forall ((v_ArrVal_182 (Array Int Int)) (|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_180 Int)) (or (< 1000000 v_ArrVal_180) (< (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_180)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_182))) (+ (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|))) 2147483648))))))) is different from false [2023-02-16 04:22:37,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:22:37,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 493 treesize of output 489 [2023-02-16 04:22:37,092 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:22:37,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 440 treesize of output 400 [2023-02-16 04:24:45,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1701 treesize of output 1641 [2023-02-16 04:24:45,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1703 treesize of output 1695 [2023-02-16 04:24:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 618 treesize of output 610 [2023-02-16 04:24:46,671 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,672 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,673 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,674 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,715 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,716 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,717 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 465 [2023-02-16 04:24:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:46,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 557 treesize of output 551 [2023-02-16 04:24:47,062 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,093 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,094 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,124 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,127 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,129 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,129 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:47,131 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,135 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,137 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,145 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,161 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,167 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,168 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,172 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,172 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,174 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,175 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,181 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,184 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,197 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,200 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,201 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,201 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,256 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,257 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,287 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,289 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,293 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:47,316 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,317 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,320 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,323 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,325 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,326 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,327 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,328 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,330 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,332 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,333 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-02-16 04:24:47,346 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,347 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,349 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,350 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:47,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3142 treesize of output 2794 [2023-02-16 04:24:47,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2883 treesize of output 2873 [2023-02-16 04:24:47,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 85 [2023-02-16 04:24:47,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 115 [2023-02-16 04:24:47,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2023-02-16 04:24:48,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1442 treesize of output 1394 [2023-02-16 04:24:48,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3531 treesize of output 3415 [2023-02-16 04:24:50,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2107 treesize of output 2031 [2023-02-16 04:24:52,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2108 treesize of output 2032 [2023-02-16 04:24:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 96 [2023-02-16 04:24:53,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 96 [2023-02-16 04:24:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:53,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1921 treesize of output 1851 [2023-02-16 04:24:55,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1583 treesize of output 1521 [2023-02-16 04:24:55,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-16 04:24:55,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:55,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-16 04:24:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:55,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-16 04:24:55,759 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:24:55,768 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:55,769 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,771 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:55,772 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,775 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,777 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:24:55,778 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,781 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,781 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,782 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,783 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,784 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:24:55,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2575 treesize of output 2309 [2023-02-16 04:24:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-02-16 04:24:56,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128683493] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:24:56,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:24:56,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2023-02-16 04:24:56,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329149617] [2023-02-16 04:24:56,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:24:56,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-16 04:24:56,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:24:56,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-16 04:24:56,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=641, Unknown=6, NotChecked=106, Total=870 [2023-02-16 04:24:56,230 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 30 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:00,794 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_ArrVal_182 (Array Int Int))) (< (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_182))) (+ (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|))) 2147483648)))) (and (or (not (<= |c_ULTIMATE.start_main_#t~mem8#1| 1000000)) .cse0) .cse0)) is different from false [2023-02-16 04:25:01,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:01,077 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2023-02-16 04:25:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-02-16 04:25:01,077 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-02-16 04:25:01,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:01,078 INFO L225 Difference]: With dead ends: 90 [2023-02-16 04:25:01,078 INFO L226 Difference]: Without dead ends: 63 [2023-02-16 04:25:01,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=266, Invalid=1218, Unknown=10, NotChecked=228, Total=1722 [2023-02-16 04:25:01,079 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 73 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 36 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:01,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 239 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 291 Invalid, 9 Unknown, 82 Unchecked, 0.2s Time] [2023-02-16 04:25:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-16 04:25:01,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-02-16 04:25:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 62 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) [2023-02-16 04:25:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2023-02-16 04:25:01,091 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 24 [2023-02-16 04:25:01,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:01,091 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2023-02-16 04:25:01,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-02-16 04:25:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-16 04:25:01,093 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:01,093 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:01,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:01,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:01,298 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:01,299 INFO L85 PathProgramCache]: Analyzing trace with hash 747240709, now seen corresponding path program 2 times [2023-02-16 04:25:01,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:01,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612949777] [2023-02-16 04:25:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:01,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:02,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612949777] [2023-02-16 04:25:02,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612949777] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568282331] [2023-02-16 04:25:02,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:25:02,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:02,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:25:02,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 04:25:02,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:25:02,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:02,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 41 conjunts are in the unsatisfiable core [2023-02-16 04:25:02,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:02,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-16 04:25:02,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-16 04:25:02,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:25:02,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:25:03,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2023-02-16 04:25:03,065 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-02-16 04:25:03,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 97 [2023-02-16 04:25:03,088 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2023-02-16 04:25:03,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 26 [2023-02-16 04:25:03,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2023-02-16 04:25:03,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:25:03,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:25:03,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 81 [2023-02-16 04:25:03,470 INFO L321 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2023-02-16 04:25:03,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 105 [2023-02-16 04:25:03,480 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:25:03,723 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:25:03,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 27 [2023-02-16 04:25:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:03,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:08,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:25:08,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 160 [2023-02-16 04:25:08,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2023-02-16 04:25:08,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2023-02-16 04:25:08,352 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,353 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 594 treesize of output 590 [2023-02-16 04:25:08,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 217 [2023-02-16 04:25:08,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 594 treesize of output 590 [2023-02-16 04:25:08,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 86 [2023-02-16 04:25:08,686 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:25:08,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:08,693 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 186 [2023-02-16 04:25:08,788 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,792 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,793 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,795 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,798 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:08,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568282331] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:08,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:08,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 51 [2023-02-16 04:25:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724380662] [2023-02-16 04:25:08,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:08,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-02-16 04:25:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-02-16 04:25:08,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=2193, Unknown=0, NotChecked=0, Total=2652 [2023-02-16 04:25:08,881 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:25,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:25,550 INFO L93 Difference]: Finished difference Result 128 states and 140 transitions. [2023-02-16 04:25:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-02-16 04:25:25,551 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-02-16 04:25:25,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:25,551 INFO L225 Difference]: With dead ends: 128 [2023-02-16 04:25:25,551 INFO L226 Difference]: Without dead ends: 127 [2023-02-16 04:25:25,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3616 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=2089, Invalid=9683, Unknown=0, NotChecked=0, Total=11772 [2023-02-16 04:25:25,554 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 266 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:25,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 290 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-02-16 04:25:25,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-02-16 04:25:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2023-02-16 04:25:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 73 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2023-02-16 04:25:25,567 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 25 [2023-02-16 04:25:25,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:25,568 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2023-02-16 04:25:25,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2023-02-16 04:25:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-16 04:25:25,571 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:25,571 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:25,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-16 04:25:25,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:25,772 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:25,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:25,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1689625596, now seen corresponding path program 2 times [2023-02-16 04:25:25,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:25,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871283340] [2023-02-16 04:25:25,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:26,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:26,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871283340] [2023-02-16 04:25:26,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871283340] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:26,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271916077] [2023-02-16 04:25:26,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:25:26,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:26,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:25:26,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 04:25:26,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:25:26,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:26,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 39 conjunts are in the unsatisfiable core [2023-02-16 04:25:26,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:26,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-16 04:25:26,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-16 04:25:26,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:25:26,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:25:26,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-02-16 04:25:27,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2023-02-16 04:25:27,100 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-16 04:25:27,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-16 04:25:27,242 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:25:27,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2023-02-16 04:25:27,414 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:25:27,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 19 [2023-02-16 04:25:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:27,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:30,389 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-16 04:25:30,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 156 [2023-02-16 04:25:30,733 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:30,736 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:30,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-02-16 04:25:30,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2023-02-16 04:25:30,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:25:30,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2023-02-16 04:25:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-16 04:25:30,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2023-02-16 04:25:30,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 178 [2023-02-16 04:25:30,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-16 04:25:30,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-02-16 04:25:30,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2023-02-16 04:25:31,006 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,008 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,009 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,011 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,021 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,029 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-16 04:25:31,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1406 treesize of output 1390