./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array11_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/array-patterns/array11_pattern.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 05:02:51,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 05:02:51,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 05:02:51,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 05:02:51,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 05:02:51,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 05:02:51,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 05:02:51,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 05:02:51,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 05:02:51,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 05:02:51,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 05:02:51,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 05:02:51,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 05:02:51,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 05:02:51,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 05:02:51,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 05:02:51,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 05:02:51,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 05:02:51,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 05:02:51,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 05:02:51,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 05:02:51,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 05:02:51,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 05:02:51,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 05:02:51,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 05:02:51,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 05:02:51,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 05:02:51,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 05:02:51,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 05:02:51,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 05:02:51,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 05:02:51,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 05:02:51,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 05:02:51,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 05:02:51,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 05:02:51,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 05:02:51,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 05:02:51,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 05:02:51,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 05:02:51,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 05:02:51,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 05:02:51,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 05:02:51,148 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 05:02:51,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 05:02:51,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 05:02:51,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 05:02:51,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 05:02:51,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 05:02:51,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 05:02:51,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 05:02:51,151 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 05:02:51,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 05:02:51,152 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 05:02:51,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 05:02:51,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 05:02:51,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 05:02:51,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 05:02:51,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 05:02:51,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 05:02:51,153 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 05:02:51,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 05:02:51,154 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 05:02:51,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 05:02:51,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 05:02:51,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 05:02:51,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 05:02:51,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 05:02:51,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 05:02:51,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 05:02:51,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 05:02:51,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 05:02:51,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 05:02:51,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 05:02:51,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 05:02:51,162 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 05:02:51,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 05:02:51,163 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 05:02:51,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2023-02-17 05:02:51,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 05:02:51,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 05:02:51,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 05:02:51,425 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 05:02:51,425 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 05:02:51,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array11_pattern.c [2023-02-17 05:02:52,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 05:02:52,758 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 05:02:52,759 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array11_pattern.c [2023-02-17 05:02:52,764 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72adfa4a8/2ccdd2a4ea0b4699883b73f250189717/FLAG6a5e5276b [2023-02-17 05:02:52,774 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72adfa4a8/2ccdd2a4ea0b4699883b73f250189717 [2023-02-17 05:02:52,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 05:02:52,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 05:02:52,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 05:02:52,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 05:02:52,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 05:02:52,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:52,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3debc67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52, skipping insertion in model container [2023-02-17 05:02:52,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:52,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 05:02:52,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 05:02:52,905 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/array-patterns/array11_pattern.c[1357,1370] [2023-02-17 05:02:52,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 05:02:52,928 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 05:02:52,940 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/array-patterns/array11_pattern.c[1357,1370] [2023-02-17 05:02:52,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 05:02:52,966 INFO L208 MainTranslator]: Completed translation [2023-02-17 05:02:52,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52 WrapperNode [2023-02-17 05:02:52,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 05:02:52,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 05:02:52,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 05:02:52,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 05:02:52,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:52,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,013 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-02-17 05:02:53,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 05:02:53,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 05:02:53,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 05:02:53,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 05:02:53,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 05:02:53,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 05:02:53,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 05:02:53,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 05:02:53,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (1/1) ... [2023-02-17 05:02:53,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 05:02:53,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 05:02:53,086 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) [2023-02-17 05:02:53,093 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 [2023-02-17 05:02:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 05:02:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-17 05:02:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-17 05:02:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 05:02:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-17 05:02:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-17 05:02:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 05:02:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 05:02:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-17 05:02:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-17 05:02:53,182 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 05:02:53,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 05:02:53,394 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 05:02:53,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 05:02:53,399 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-17 05:02:53,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 05:02:53 BoogieIcfgContainer [2023-02-17 05:02:53,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 05:02:53,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 05:02:53,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 05:02:53,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 05:02:53,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 05:02:52" (1/3) ... [2023-02-17 05:02:53,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1497b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 05:02:53, skipping insertion in model container [2023-02-17 05:02:53,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:02:52" (2/3) ... [2023-02-17 05:02:53,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1497b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 05:02:53, skipping insertion in model container [2023-02-17 05:02:53,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 05:02:53" (3/3) ... [2023-02-17 05:02:53,408 INFO L112 eAbstractionObserver]: Analyzing ICFG array11_pattern.c [2023-02-17 05:02:53,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 05:02:53,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 05:02:53,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 05:02:53,508 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;@50cb302d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 05:02:53,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 05:02:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 05:02:53,519 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 05:02:53,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 05:02:53,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 05:02:53,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 05:02:53,526 INFO L85 PathProgramCache]: Analyzing trace with hash -800294020, now seen corresponding path program 1 times [2023-02-17 05:02:53,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 05:02:53,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279383045] [2023-02-17 05:02:53,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 05:02:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 05:02:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 05:02:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 05:02:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 05:02:53,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 05:02:53,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279383045] [2023-02-17 05:02:53,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279383045] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 05:02:53,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 05:02:53,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 05:02:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273296975] [2023-02-17 05:02:53,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 05:02:53,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-17 05:02:53,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 05:02:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-17 05:02:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-17 05:02:53,739 INFO L87 Difference]: Start difference. First operand has 25 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-17 05:02:53,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 05:02:53,764 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2023-02-17 05:02:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-17 05:02:53,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-02-17 05:02:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 05:02:53,771 INFO L225 Difference]: With dead ends: 47 [2023-02-17 05:02:53,771 INFO L226 Difference]: Without dead ends: 21 [2023-02-17 05:02:53,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-17 05:02:53,780 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 05:02:53,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 05:02:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-02-17 05:02:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-02-17 05:02:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2023-02-17 05:02:53,821 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 15 [2023-02-17 05:02:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 05:02:53,822 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-02-17 05:02:53,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-17 05:02:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-02-17 05:02:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 05:02:53,825 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 05:02:53,825 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 05:02:53,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 05:02:53,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 05:02:53,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 05:02:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash -952637313, now seen corresponding path program 1 times [2023-02-17 05:02:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 05:02:53,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058872244] [2023-02-17 05:02:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 05:02:53,858 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 05:02:53,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585121519] [2023-02-17 05:02:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:53,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 05:02:53,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 05:02:53,864 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) [2023-02-17 05:02:53,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 05:02:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 05:02:53,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 05:02:53,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 05:02:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-17 05:02:54,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 05:02:54,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 05:02:54,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058872244] [2023-02-17 05:02:54,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 05:02:54,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585121519] [2023-02-17 05:02:54,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585121519] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 05:02:54,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 05:02:54,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 05:02:54,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157953854] [2023-02-17 05:02:54,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 05:02:54,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 05:02:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 05:02:54,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 05:02:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 05:02:54,023 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 05:02:54,044 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2023-02-17 05:02:54,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 05:02:54,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2023-02-17 05:02:54,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 05:02:54,049 INFO L225 Difference]: With dead ends: 26 [2023-02-17 05:02:54,049 INFO L226 Difference]: Without dead ends: 22 [2023-02-17 05:02:54,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 05:02:54,051 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 05:02:54,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 54 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 05:02:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-02-17 05:02:54,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-02-17 05:02:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-02-17 05:02:54,056 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 22 [2023-02-17 05:02:54,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 05:02:54,057 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-02-17 05:02:54,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-02-17 05:02:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-17 05:02:54,059 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 05:02:54,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 05:02:54,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 05:02:54,267 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 [2023-02-17 05:02:54,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 05:02:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 05:02:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash -603190335, now seen corresponding path program 1 times [2023-02-17 05:02:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 05:02:54,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27428227] [2023-02-17 05:02:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:54,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 05:02:54,301 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 05:02:54,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580051943] [2023-02-17 05:02:54,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:54,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 05:02:54,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 05:02:54,314 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) [2023-02-17 05:02:54,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 05:02:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 05:02:54,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 05:02:54,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 05:02:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 05:02:54,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 05:02:54,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 05:02:54,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27428227] [2023-02-17 05:02:54,424 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 05:02:54,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580051943] [2023-02-17 05:02:54,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580051943] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 05:02:54,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 05:02:54,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 05:02:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791459322] [2023-02-17 05:02:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 05:02:54,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 05:02:54,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 05:02:54,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 05:02:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 05:02:54,427 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 05:02:54,484 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2023-02-17 05:02:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 05:02:54,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-17 05:02:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 05:02:54,487 INFO L225 Difference]: With dead ends: 41 [2023-02-17 05:02:54,488 INFO L226 Difference]: Without dead ends: 25 [2023-02-17 05:02:54,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-17 05:02:54,491 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 05:02:54,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 05:02:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-17 05:02:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2023-02-17 05:02:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-02-17 05:02:54,500 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 24 [2023-02-17 05:02:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 05:02:54,500 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-02-17 05:02:54,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 05:02:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-02-17 05:02:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 05:02:54,502 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 05:02:54,502 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 05:02:54,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 05:02:54,707 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 [2023-02-17 05:02:54,708 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 05:02:54,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 05:02:54,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1366149955, now seen corresponding path program 1 times [2023-02-17 05:02:54,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 05:02:54,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971492148] [2023-02-17 05:02:54,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 05:02:54,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 05:02:54,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445900075] [2023-02-17 05:02:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 05:02:54,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 05:02:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 05:02:54,740 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) [2023-02-17 05:02:54,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 05:02:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 05:02:54,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 56 conjunts are in the unsatisfiable core [2023-02-17 05:02:54,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 05:02:54,891 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 [2023-02-17 05:02:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:02:54,921 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2023-02-17 05:02:54,927 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 12 treesize of output 11 [2023-02-17 05:02:54,932 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 27 treesize of output 26 [2023-02-17 05:02:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:02:55,211 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-17 05:02:55,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 269 [2023-02-17 05:02:55,318 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,334 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,350 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,353 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 364 [2023-02-17 05:02:55,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:02:55,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 147 treesize of output 197 [2023-02-17 05:02:55,490 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,550 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 356 [2023-02-17 05:02:55,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 463 [2023-02-17 05:02:55,649 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,657 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 356 [2023-02-17 05:02:55,773 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,791 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,814 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,834 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 356 [2023-02-17 05:02:55,940 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:55,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:55,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 891 [2023-02-17 05:02:56,001 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:56,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 356 [2023-02-17 05:02:56,117 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:56,133 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:56,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 1238 [2023-02-17 05:02:56,455 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:02:56,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:56,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 16 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 1178 treesize of output 9296 [2023-02-17 05:02:57,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:57,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:57,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:02:57,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 49 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 7582 treesize of output 132777 [2023-02-17 05:02:58,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:03:00,318 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:03:00,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,352 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,355 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 1238 [2023-02-17 05:03:00,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:03:00,547 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:03:00,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,587 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:00,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:00,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 1433 treesize of output 5430 [2023-02-17 05:03:01,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:01,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,301 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:01,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 396 treesize of output 2902 [2023-02-17 05:03:02,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:02,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,154 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 05:03:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:03,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,222 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:03,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,556 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-17 05:03:03,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,636 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,644 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 05:03:03,686 INFO L217 Elim1Store]: Index analysis took 231 ms [2023-02-17 05:03:04,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 211 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 210 new quantified variables, introduced 0 case distinctions, treesize of input 28177 treesize of output 2353554