./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e1ff0e6 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/array7_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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-14 21:59:08,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 21:59:08,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 21:59:08,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 21:59:08,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 21:59:08,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 21:59:08,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 21:59:08,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 21:59:08,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 21:59:08,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 21:59:08,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 21:59:08,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 21:59:08,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 21:59:08,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 21:59:08,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 21:59:08,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 21:59:08,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 21:59:08,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 21:59:08,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 21:59:08,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 21:59:08,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 21:59:08,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 21:59:08,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 21:59:08,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 21:59:08,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 21:59:08,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 21:59:08,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 21:59:08,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 21:59:08,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 21:59:08,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 21:59:08,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 21:59:08,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 21:59:08,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 21:59:08,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 21:59:08,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 21:59:08,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 21:59:08,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 21:59:08,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 21:59:08,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 21:59:08,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 21:59:08,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 21:59:08,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 21:59:08,936 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 21:59:08,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 21:59:08,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 21:59:08,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 21:59:08,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 21:59:08,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 21:59:08,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 21:59:08,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 21:59:08,939 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 21:59:08,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 21:59:08,939 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 21:59:08,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 21:59:08,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 21:59:08,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 21:59:08,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 21:59:08,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 21:59:08,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 21:59:08,940 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 21:59:08,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 21:59:08,941 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 21:59:08,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 21:59:08,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 21:59:08,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 21:59:08,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 21:59:08,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 21:59:08,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 21:59:08,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 21:59:08,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 21:59:08,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 21:59:08,944 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 21:59:08,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2023-02-14 21:59:09,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 21:59:09,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 21:59:09,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 21:59:09,203 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 21:59:09,203 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 21:59:09,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array7_pattern.c [2023-02-14 21:59:10,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 21:59:10,543 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 21:59:10,543 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c [2023-02-14 21:59:10,551 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70541b714/d6410a699fef4eee83b6c98c936319b0/FLAGb43d523b8 [2023-02-14 21:59:10,564 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70541b714/d6410a699fef4eee83b6c98c936319b0 [2023-02-14 21:59:10,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 21:59:10,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 21:59:10,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 21:59:10,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 21:59:10,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 21:59:10,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68611d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10, skipping insertion in model container [2023-02-14 21:59:10,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 21:59:10,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 21:59:10,704 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/array7_pattern.c[1375,1388] [2023-02-14 21:59:10,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 21:59:10,728 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 21:59:10,738 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/array7_pattern.c[1375,1388] [2023-02-14 21:59:10,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 21:59:10,758 INFO L208 MainTranslator]: Completed translation [2023-02-14 21:59:10,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10 WrapperNode [2023-02-14 21:59:10,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 21:59:10,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 21:59:10,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 21:59:10,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 21:59:10,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,788 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-02-14 21:59:10,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 21:59:10,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 21:59:10,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 21:59:10,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 21:59:10,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 21:59:10,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 21:59:10,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 21:59:10,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 21:59:10,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (1/1) ... [2023-02-14 21:59:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 21:59:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 21:59:10,845 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) [2023-02-14 21:59:10,866 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 [2023-02-14 21:59:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 21:59:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-14 21:59:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-14 21:59:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 21:59:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 21:59:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-14 21:59:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 21:59:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 21:59:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-14 21:59:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 21:59:10,990 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 21:59:10,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 21:59:11,209 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 21:59:11,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 21:59:11,224 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-14 21:59:11,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:59:11 BoogieIcfgContainer [2023-02-14 21:59:11,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 21:59:11,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 21:59:11,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 21:59:11,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 21:59:11,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 09:59:10" (1/3) ... [2023-02-14 21:59:11,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8de3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 09:59:11, skipping insertion in model container [2023-02-14 21:59:11,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:59:10" (2/3) ... [2023-02-14 21:59:11,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8de3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 09:59:11, skipping insertion in model container [2023-02-14 21:59:11,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:59:11" (3/3) ... [2023-02-14 21:59:11,242 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2023-02-14 21:59:11,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 21:59:11,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 21:59:11,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 21:59:11,323 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;@4040aa14, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 21:59:11,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 21:59:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 21:59:11,333 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:11,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:11,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:11,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:11,339 INFO L85 PathProgramCache]: Analyzing trace with hash -440982883, now seen corresponding path program 1 times [2023-02-14 21:59:11,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:11,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940787813] [2023-02-14 21:59:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:11,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 21:59:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 21:59:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 21:59:11,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940787813] [2023-02-14 21:59:11,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940787813] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 21:59:11,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 21:59:11,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 21:59:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47183046] [2023-02-14 21:59:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 21:59:11,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 21:59:11,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 21:59:11,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 21:59:11,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 21:59:11,549 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2023-02-14 21:59:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 21:59:11,579 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2023-02-14 21:59:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 21:59:11,582 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 [2023-02-14 21:59:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 21:59:11,588 INFO L225 Difference]: With dead ends: 49 [2023-02-14 21:59:11,588 INFO L226 Difference]: Without dead ends: 22 [2023-02-14 21:59:11,591 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 [2023-02-14 21:59:11,596 INFO L413 NwaCegarLoop]: 30 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, 30 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 [2023-02-14 21:59:11,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 21:59:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-02-14 21:59:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-02-14 21:59:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-14 21:59:11,635 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2023-02-14 21:59:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 21:59:11,636 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-14 21:59:11,636 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) [2023-02-14 21:59:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-14 21:59:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-14 21:59:11,637 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:11,638 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:11,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 21:59:11,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:11,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:11,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1396045698, now seen corresponding path program 1 times [2023-02-14 21:59:11,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:11,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505312809] [2023-02-14 21:59:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 21:59:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-14 21:59:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-02-14 21:59:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 21:59:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 21:59:12,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505312809] [2023-02-14 21:59:12,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505312809] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 21:59:12,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 21:59:12,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 21:59:12,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903551351] [2023-02-14 21:59:12,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 21:59:12,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 21:59:12,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 21:59:12,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 21:59:12,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 21:59:12,024 INFO L87 Difference]: Start difference. First operand 22 states and 26 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 21:59:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 21:59:12,063 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-02-14 21:59:12,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 21:59:12,063 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2023-02-14 21:59:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 21:59:12,064 INFO L225 Difference]: With dead ends: 27 [2023-02-14 21:59:12,065 INFO L226 Difference]: Without dead ends: 23 [2023-02-14 21:59:12,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-14 21:59:12,067 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 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 [2023-02-14 21:59:12,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 21:59:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-14 21:59:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-14 21:59:12,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-02-14 21:59:12,077 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 27 [2023-02-14 21:59:12,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 21:59:12,079 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-02-14 21:59:12,079 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 21:59:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-02-14 21:59:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-14 21:59:12,082 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:12,082 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:12,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 21:59:12,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1623352868, now seen corresponding path program 1 times [2023-02-14 21:59:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:12,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246498978] [2023-02-14 21:59:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 21:59:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-14 21:59:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-02-14 21:59:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 21:59:12,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 21:59:12,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246498978] [2023-02-14 21:59:12,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246498978] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 21:59:12,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 21:59:12,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-14 21:59:12,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254617667] [2023-02-14 21:59:12,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 21:59:12,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 21:59:12,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 21:59:12,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 21:59:12,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-14 21:59:12,279 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 21:59:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 21:59:12,334 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2023-02-14 21:59:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 21:59:12,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-02-14 21:59:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 21:59:12,336 INFO L225 Difference]: With dead ends: 43 [2023-02-14 21:59:12,337 INFO L226 Difference]: Without dead ends: 26 [2023-02-14 21:59:12,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-14 21:59:12,339 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 21:59:12,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 61 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 21:59:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-14 21:59:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-02-14 21:59:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-02-14 21:59:12,354 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 29 [2023-02-14 21:59:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 21:59:12,354 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-02-14 21:59:12,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 21:59:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-02-14 21:59:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-14 21:59:12,355 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:12,356 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:12,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 21:59:12,356 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1083978846, now seen corresponding path program 1 times [2023-02-14 21:59:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:12,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653216325] [2023-02-14 21:59:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:12,386 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-14 21:59:12,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077261488] [2023-02-14 21:59:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:12,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 21:59:12,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 21:59:12,401 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) [2023-02-14 21:59:12,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 21:59:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 21:59:12,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-14 21:59:12,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 21:59:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-14 21:59:12,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 21:59:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 21:59:12,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 21:59:12,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653216325] [2023-02-14 21:59:12,915 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-14 21:59:12,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077261488] [2023-02-14 21:59:12,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077261488] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 21:59:12,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 21:59:12,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2023-02-14 21:59:12,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651397403] [2023-02-14 21:59:12,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 21:59:12,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-14 21:59:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 21:59:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-14 21:59:12,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-02-14 21:59:12,924 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 21:59:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 21:59:13,148 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2023-02-14 21:59:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-14 21:59:13,149 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2023-02-14 21:59:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 21:59:13,150 INFO L225 Difference]: With dead ends: 73 [2023-02-14 21:59:13,150 INFO L226 Difference]: Without dead ends: 42 [2023-02-14 21:59:13,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-02-14 21:59:13,151 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 31 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 21:59:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 21:59:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-14 21:59:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2023-02-14 21:59:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-02-14 21:59:13,157 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 31 [2023-02-14 21:59:13,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 21:59:13,157 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-02-14 21:59:13,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 21:59:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-02-14 21:59:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-14 21:59:13,158 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:13,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:13,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-14 21:59:13,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 21:59:13,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:13,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:13,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1214758882, now seen corresponding path program 2 times [2023-02-14 21:59:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:13,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743123022] [2023-02-14 21:59:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:13,395 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-14 21:59:13,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527781693] [2023-02-14 21:59:13,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 21:59:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 21:59:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 21:59:13,403 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) [2023-02-14 21:59:13,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 21:59:13,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 21:59:13,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 21:59:13,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-14 21:59:13,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 21:59:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 21:59:13,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 21:59:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 21:59:13,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 21:59:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743123022] [2023-02-14 21:59:13,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-14 21:59:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527781693] [2023-02-14 21:59:13,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527781693] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 21:59:13,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 21:59:13,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-02-14 21:59:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752355484] [2023-02-14 21:59:13,660 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 21:59:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 21:59:13,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 21:59:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 21:59:13,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-02-14 21:59:13,663 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-14 21:59:13,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 21:59:13,804 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-02-14 21:59:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 21:59:13,808 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 35 [2023-02-14 21:59:13,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 21:59:13,809 INFO L225 Difference]: With dead ends: 40 [2023-02-14 21:59:13,810 INFO L226 Difference]: Without dead ends: 36 [2023-02-14 21:59:13,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2023-02-14 21:59:13,812 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 38 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 21:59:13,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 68 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 21:59:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-14 21:59:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-02-14 21:59:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 21:59:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-02-14 21:59:13,819 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2023-02-14 21:59:13,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 21:59:13,820 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-02-14 21:59:13,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-14 21:59:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-02-14 21:59:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-14 21:59:13,823 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 21:59:13,823 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 21:59:13,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 21:59:14,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 21:59:14,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 21:59:14,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 21:59:14,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1618850078, now seen corresponding path program 3 times [2023-02-14 21:59:14,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 21:59:14,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637072969] [2023-02-14 21:59:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 21:59:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 21:59:14,048 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-14 21:59:14,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87181389] [2023-02-14 21:59:14,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 21:59:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 21:59:14,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 21:59:14,051 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) [2023-02-14 21:59:14,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 21:59:14,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-14 21:59:14,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 21:59:14,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 82 conjunts are in the unsatisfiable core [2023-02-14 21:59:14,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 21:59:14,263 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 [2023-02-14 21:59:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,313 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 32 treesize of output 36 [2023-02-14 21:59:14,319 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 33 treesize of output 33 [2023-02-14 21:59:14,325 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 15 treesize of output 14 [2023-02-14 21:59:14,333 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 [2023-02-14 21:59:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,426 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 45 treesize of output 44 [2023-02-14 21:59:14,436 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 38 treesize of output 36 [2023-02-14 21:59:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2023-02-14 21:59:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 25 [2023-02-14 21:59:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,561 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 55 treesize of output 52 [2023-02-14 21:59:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,595 INFO L321 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2023-02-14 21:59:14,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 27 treesize of output 36 [2023-02-14 21:59:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:14,618 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2023-02-14 21:59:14,618 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 3 case distinctions, treesize of input 54 treesize of output 62 [2023-02-14 21:59:15,887 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-02-14 21:59:15,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 897 treesize of output 838 [2023-02-14 21:59:15,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 136 [2023-02-14 21:59:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,051 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2023-02-14 21:59:16,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 502 treesize of output 589 [2023-02-14 21:59:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 302 [2023-02-14 21:59:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:16,341 INFO L217 Elim1Store]: Index analysis took 159 ms [2023-02-14 21:59:16,362 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-14 21:59:16,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 408 treesize of output 403 [2023-02-14 21:59:16,879 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-14 21:59:16,910 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-14 21:59:16,980 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 128 treesize of output 96 [2023-02-14 21:59:17,099 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-14 21:59:43,600 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-14 21:59:43,600 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 292 treesize of output 254 [2023-02-14 21:59:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:43,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:44,554 INFO L217 Elim1Store]: Index analysis took 778 ms [2023-02-14 21:59:45,859 INFO L321 Elim1Store]: treesize reduction 12, result has 89.7 percent of original size [2023-02-14 21:59:45,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 69 treesize of output 135 [2023-02-14 21:59:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:45,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 21:59:46,185 INFO L217 Elim1Store]: Index analysis took 200 ms [2023-02-14 21:59:46,618 INFO L321 Elim1Store]: treesize reduction 14, result has 88.4 percent of original size [2023-02-14 21:59:46,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 97 treesize of output 157 [2023-02-14 21:59:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 21:59:56,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:00:12,721 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse1 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|))) (let ((.cse33 (+ .cse1 4294967296)) (.cse2 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse5 (+ .cse1 c_~ARR_SIZE~0)) (.cse17 (+ 2147483647 .cse1)) (.cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse10 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse9 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse18 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (.cse30 (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296))) (and (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse19 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse20 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse3 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20)) (.cse0 (+ .cse19 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20)) (.cse4 (+ .cse19 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296)))) (or (>= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) (< .cse0 .cse1) (< .cse2 .cse3) (not (< .cse4 .cse5)) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (= (let ((.cse13 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse15 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse14 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse8 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse13 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse16 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse16 (+ .cse15 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse16 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse14))))))) (let ((.cse6 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse13 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse14)) (select .cse12 (+ .cse15 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse8) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse6 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse6 .cse7) (select .cse8 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse8 .cse9) (select .cse8 .cse10) (select .cse6 .cse11))))) 0) (< .cse3 |c_ULTIMATE.start_main_~pivot~0#1|) (< .cse17 .cse0) (not (<= .cse18 .cse4)))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse32 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse31 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse22 (+ .cse32 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31)) (.cse23 (+ .cse32 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse21 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31))) (or (>= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) (<= .cse21 .cse2) (< .cse22 .cse1) (not (< .cse23 .cse5)) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (< .cse17 .cse22) (= (let ((.cse26 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse28 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse27 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse25 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse26 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse29 (+ .cse28 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse29 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse27))))))) (let ((.cse24 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse26 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse27)) (select .cse12 (+ .cse28 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse25) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse24 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse25 .cse10) (select .cse24 .cse11) (select .cse24 .cse7) (select .cse25 .cse9))))) 0) (not (<= .cse18 .cse23)) (<= .cse30 .cse21))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse43 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse44 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse34 (+ .cse43 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse44)) (.cse35 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse44)) (.cse42 (+ .cse43 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse44 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296)))) (or (<= .cse33 .cse34) (< .cse2 .cse35) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse38 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse40 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse39 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse37 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse38 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse41 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse41 (+ .cse40 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse41 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse39))))))) (let ((.cse36 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse38 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse39)) (select .cse12 (+ .cse40 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse37) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse36 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse36 .cse11) |c_ULTIMATE.start_main_~sum~0#1| (select .cse37 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse36 .cse7) (select .cse37 .cse10) (select .cse37 .cse9))))) 0) (not (< .cse42 .cse5)) (<= .cse34 .cse17) (< .cse35 |c_ULTIMATE.start_main_~pivot~0#1|) (> 0 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (not (<= .cse18 .cse42)))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse54 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse55 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse45 (+ .cse54 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse55)) (.cse52 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse55)) (.cse53 (+ .cse54 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse55 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296)))) (or (<= .cse33 .cse45) (>= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) (= (let ((.cse48 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse50 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse49 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse47 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse48 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse51 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse51 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse51 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse49))))))) (let ((.cse46 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse48 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse49)) (select .cse12 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse47) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse46 .cse11) (select .cse46 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse46 .cse7) (select .cse47 .cse10) |c_ULTIMATE.start_main_~sum~0#1| (select .cse47 .cse9) (select .cse47 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0) (< .cse2 .cse52) (not (< .cse53 .cse5)) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse45 .cse17) (< .cse52 |c_ULTIMATE.start_main_~pivot~0#1|) (not (<= .cse18 .cse53)))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse66 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse65 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse57 (+ .cse66 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65)) (.cse64 (+ .cse66 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse56 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65))) (or (<= .cse56 .cse2) (< .cse57 .cse1) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse60 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse62 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse61 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse59 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse60 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse63 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse63 (+ .cse62 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse63 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse61))))))) (let ((.cse58 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse60 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse61)) (select .cse12 (+ .cse62 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse59) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse58 .cse7) |c_ULTIMATE.start_main_~sum~0#1| (select .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse58 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse58 .cse11) (select .cse59 .cse10) (select .cse59 .cse9))))) 0) (not (< .cse64 .cse5)) (< .cse17 .cse57) (> 0 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (not (<= .cse18 .cse64)) (<= .cse30 .cse56))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse76 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse77 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse68 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse77)) (.cse67 (+ .cse76 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse77)) (.cse69 (+ .cse76 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse77 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296)))) (or (< .cse67 .cse1) (< .cse2 .cse68) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (not (< .cse69 .cse5)) (= (let ((.cse72 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse74 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse73 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse71 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse72 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse75 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse75 (+ .cse74 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse75 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse73))))))) (let ((.cse70 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse72 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse73)) (select .cse12 (+ .cse74 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse71) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse70 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse71 .cse10) (select .cse70 .cse11) (select .cse70 .cse7) (select .cse71 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse71 .cse9))))) 0) (< .cse68 |c_ULTIMATE.start_main_~pivot~0#1|) (< .cse17 .cse67) (> 0 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (not (<= .cse18 .cse69)))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse88 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse87 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse78 (+ .cse88 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87)) (.cse80 (+ .cse88 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse79 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87))) (or (<= .cse33 .cse78) (>= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) (<= .cse79 .cse2) (not (< .cse80 .cse5)) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse78 .cse17) (= (let ((.cse83 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse84 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse85 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse81 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse83 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse86 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse86 (+ .cse84 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse86 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse85))))))) (let ((.cse82 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse83 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ .cse84 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse12 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse85))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse81) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse81 .cse9) (select .cse82 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse81 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse82 .cse11) (select .cse81 .cse10) (select .cse82 .cse7))))) 0) (not (<= .cse18 .cse80)) (<= .cse30 .cse79))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse99 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse98 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse89 (+ .cse99 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98)) (.cse91 (+ .cse99 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse90 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98))) (or (<= .cse33 .cse89) (<= .cse90 .cse2) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (not (< .cse91 .cse5)) (<= .cse89 .cse17) (> 0 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse94 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse95 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse96 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse93 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse94 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse97 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse97 (+ .cse95 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse97 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse96))))))) (let ((.cse92 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse12 (+ .cse94 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse12 (+ .cse95 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse12 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse96))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse93) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse92 .cse11) (select .cse92 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse92 .cse7) (select .cse93 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse93 .cse10) (select .cse93 .cse9))))) 0) (not (<= .cse18 .cse91)) (<= .cse30 .cse90)))))))) (< 3 c_~ARR_SIZE~0) (not (< 0 c_~ARR_SIZE~0))) is different from true [2023-02-14 22:00:12,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:00:12,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637072969] [2023-02-14 22:00:12,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-14 22:00:12,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87181389] [2023-02-14 22:00:12,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87181389] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:00:12,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-14 22:00:12,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2023-02-14 22:00:12,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087303625] [2023-02-14 22:00:12,729 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-14 22:00:12,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-14 22:00:12,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:00:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-14 22:00:12,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=993, Unknown=6, NotChecked=66, Total=1260 [2023-02-14 22:00:12,734 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 22:00:26,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-02-14 22:00:38,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-02-14 22:00:39,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:00:39,275 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2023-02-14 22:00:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 22:00:39,276 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2023-02-14 22:00:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:00:39,278 INFO L225 Difference]: With dead ends: 44 [2023-02-14 22:00:39,278 INFO L226 Difference]: Without dead ends: 40 [2023-02-14 22:00:39,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 44.4s TimeCoverageRelationStatistics Valid=398, Invalid=1950, Unknown=8, NotChecked=94, Total=2450 [2023-02-14 22:00:39,280 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 43 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-02-14 22:00:39,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 153 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 310 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-02-14 22:00:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-14 22:00:39,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2023-02-14 22:00:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 22:00:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2023-02-14 22:00:39,290 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 39 [2023-02-14 22:00:39,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:00:39,291 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2023-02-14 22:00:39,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 22:00:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2023-02-14 22:00:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-02-14 22:00:39,292 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:00:39,293 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:00:39,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 22:00:39,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:00:39,494 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:00:39,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:00:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash -883530364, now seen corresponding path program 4 times [2023-02-14 22:00:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:00:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962381936] [2023-02-14 22:00:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:00:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:00:39,505 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-14 22:00:39,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595644436] [2023-02-14 22:00:39,505 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 22:00:39,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:00:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:00:39,507 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) [2023-02-14 22:00:39,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 22:00:39,606 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 22:00:39,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 22:00:39,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-14 22:00:39,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:00:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 22:00:39,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:00:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 22:00:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:00:39,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962381936] [2023-02-14 22:00:39,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-14 22:00:39,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595644436] [2023-02-14 22:00:39,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595644436] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:00:39,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 22:00:39,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-02-14 22:00:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979604139] [2023-02-14 22:00:39,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 22:00:39,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-14 22:00:39,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:00:39,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-14 22:00:39,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-02-14 22:00:39,858 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-14 22:00:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:00:40,066 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2023-02-14 22:00:40,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-14 22:00:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2023-02-14 22:00:40,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:00:40,067 INFO L225 Difference]: With dead ends: 65 [2023-02-14 22:00:40,067 INFO L226 Difference]: Without dead ends: 42 [2023-02-14 22:00:40,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-02-14 22:00:40,068 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 42 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 22:00:40,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 98 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 22:00:40,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-14 22:00:40,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2023-02-14 22:00:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-14 22:00:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2023-02-14 22:00:40,081 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 41 [2023-02-14 22:00:40,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:00:40,081 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-02-14 22:00:40,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-14 22:00:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-02-14 22:00:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-02-14 22:00:40,082 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:00:40,082 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 22:00:40,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 22:00:40,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:00:40,291 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:00:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:00:40,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1451589122, now seen corresponding path program 5 times [2023-02-14 22:00:40,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:00:40,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056402831] [2023-02-14 22:00:40,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:00:40,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:00:40,307 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-14 22:00:40,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207703471] [2023-02-14 22:00:40,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 22:00:40,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:00:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:00:40,309 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) [2023-02-14 22:00:40,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 22:00:40,750 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-02-14 22:00:40,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 22:00:40,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 101 conjunts are in the unsatisfiable core [2023-02-14 22:00:40,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:00:40,774 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 [2023-02-14 22:00:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:40,808 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 32 treesize of output 36 [2023-02-14 22:00:40,813 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 33 treesize of output 33 [2023-02-14 22:00:40,819 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 15 treesize of output 14 [2023-02-14 22:00:40,828 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 [2023-02-14 22:00:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:40,913 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 47 treesize of output 46 [2023-02-14 22:00:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:40,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 25 [2023-02-14 22:00:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:40,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 51 [2023-02-14 22:00:41,079 INFO L321 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2023-02-14 22:00:41,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 102 [2023-02-14 22:00:41,087 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 45 [2023-02-14 22:00:41,111 INFO L321 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2023-02-14 22:00:41,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 81 [2023-02-14 22:00:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 47 [2023-02-14 22:00:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 43 [2023-02-14 22:00:41,153 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-14 22:00:41,187 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-02-14 22:00:41,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 62 treesize of output 51 [2023-02-14 22:00:41,200 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 11 treesize of output 5 [2023-02-14 22:00:41,390 INFO L321 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2023-02-14 22:00:41,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 137 treesize of output 116 [2023-02-14 22:00:41,398 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 45 [2023-02-14 22:00:41,422 INFO L321 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2023-02-14 22:00:41,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 88 [2023-02-14 22:00:41,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 56 [2023-02-14 22:00:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:41,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 58 [2023-02-14 22:00:41,485 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 11 treesize of output 5 [2023-02-14 22:00:43,004 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-02-14 22:00:43,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 1115 treesize of output 1032 [2023-02-14 22:00:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,178 INFO L217 Elim1Store]: Index analysis took 141 ms [2023-02-14 22:00:43,226 INFO L321 Elim1Store]: treesize reduction 122, result has 0.8 percent of original size [2023-02-14 22:00:43,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 451 treesize of output 542 [2023-02-14 22:00:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 390 treesize of output 298 [2023-02-14 22:00:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:43,647 INFO L217 Elim1Store]: Index analysis took 298 ms [2023-02-14 22:00:43,697 INFO L321 Elim1Store]: treesize reduction 122, result has 0.8 percent of original size [2023-02-14 22:00:43,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 580 treesize of output 487 [2023-02-14 22:00:43,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 133 [2023-02-14 22:00:44,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-14 22:00:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:44,523 INFO L217 Elim1Store]: Index analysis took 294 ms [2023-02-14 22:00:44,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-14 22:00:44,902 INFO L321 Elim1Store]: treesize reduction 85, result has 26.1 percent of original size [2023-02-14 22:00:44,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 39 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 198 treesize of output 124 [2023-02-14 22:00:45,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 62 treesize of output 13 [2023-02-14 22:00:45,238 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 21 treesize of output 13 [2023-02-14 22:00:45,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-14 22:00:45,393 INFO L217 Elim1Store]: Index analysis took 107 ms [2023-02-14 22:00:45,562 INFO L321 Elim1Store]: treesize reduction 107, result has 23.0 percent of original size [2023-02-14 22:00:45,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 39 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 394 treesize of output 276 [2023-02-14 22:00:51,047 INFO L321 Elim1Store]: treesize reduction 1208, result has 27.8 percent of original size [2023-02-14 22:00:51,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 265 treesize of output 575