./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ncomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-fpi/ncomp.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 c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:10:33,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:10:33,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:10:33,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:10:33,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:10:33,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:10:33,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:10:33,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:10:33,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:10:33,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:10:33,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:10:33,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:10:33,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:10:33,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:10:33,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:10:33,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:10:33,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:10:33,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:10:33,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:10:33,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:10:33,862 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:10:33,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:10:33,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:10:33,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:10:33,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:10:33,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:10:33,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:10:33,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:10:33,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:10:33,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:10:33,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:10:33,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:10:33,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:10:33,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:10:33,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:10:33,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:10:33,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:10:33,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:10:33,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:10:33,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:10:33,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:10:33,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:10:33,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:10:33,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:10:33,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:10:33,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:10:33,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:10:33,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:10:33,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:10:33,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:10:33,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:10:33,920 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:10:33,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:10:33,921 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:10:33,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:10:33,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:10:33,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:10:33,923 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:10:33,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:10:33,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:10:33,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:10:33,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:10:33,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:10:33,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:10:33,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:10:33,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:10:33,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:10:33,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:10:33,925 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:10:33,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:10:33,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:10:33,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d [2022-07-20 22:10:34,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:10:34,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:10:34,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:10:34,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:10:34,180 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:10:34,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ncomp.c [2022-07-20 22:10:34,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10722e6c4/9baca84231764bc69c0a610ad06dd3e5/FLAG698600203 [2022-07-20 22:10:34,660 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:10:34,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c [2022-07-20 22:10:34,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10722e6c4/9baca84231764bc69c0a610ad06dd3e5/FLAG698600203 [2022-07-20 22:10:35,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10722e6c4/9baca84231764bc69c0a610ad06dd3e5 [2022-07-20 22:10:35,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:10:35,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:10:35,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:10:35,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:10:35,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:10:35,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f700903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35, skipping insertion in model container [2022-07-20 22:10:35,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:10:35,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:10:35,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-07-20 22:10:35,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:10:35,306 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:10:35,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-07-20 22:10:35,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:10:35,357 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:10:35,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35 WrapperNode [2022-07-20 22:10:35,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:10:35,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:10:35,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:10:35,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:10:35,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,408 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-07-20 22:10:35,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:10:35,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:10:35,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:10:35,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:10:35,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:10:35,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:10:35,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:10:35,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:10:35,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (1/1) ... [2022-07-20 22:10:35,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:10:35,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:35,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 22:10:35,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 22:10:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:10:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:10:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 22:10:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 22:10:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:10:35,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:10:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 22:10:35,570 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:10:35,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:10:35,793 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:10:35,799 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:10:35,799 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 22:10:35,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:10:35 BoogieIcfgContainer [2022-07-20 22:10:35,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:10:35,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:10:35,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:10:35,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:10:35,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:10:35" (1/3) ... [2022-07-20 22:10:35,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47cc9d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:10:35, skipping insertion in model container [2022-07-20 22:10:35,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:10:35" (2/3) ... [2022-07-20 22:10:35,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47cc9d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:10:35, skipping insertion in model container [2022-07-20 22:10:35,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:10:35" (3/3) ... [2022-07-20 22:10:35,817 INFO L111 eAbstractionObserver]: Analyzing ICFG ncomp.c [2022-07-20 22:10:35,840 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:10:35,855 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:10:35,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:10:35,916 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d8328e6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@231a28f2 [2022-07-20 22:10:35,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:10:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-20 22:10:35,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:35,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:35,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:35,943 INFO L85 PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times [2022-07-20 22:10:35,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:35,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038522907] [2022-07-20 22:10:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:36,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:36,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038522907] [2022-07-20 22:10:36,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038522907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:10:36,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:10:36,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:10:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233397522] [2022-07-20 22:10:36,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:10:36,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 22:10:36,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:36,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 22:10:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 22:10:36,160 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:36,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:36,173 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-07-20 22:10:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 22:10:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-20 22:10:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:36,183 INFO L225 Difference]: With dead ends: 44 [2022-07-20 22:10:36,183 INFO L226 Difference]: Without dead ends: 20 [2022-07-20 22:10:36,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 22:10:36,190 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:36,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:10:36,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-20 22:10:36,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-20 22:10:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-07-20 22:10:36,221 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2022-07-20 22:10:36,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:36,222 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-07-20 22:10:36,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-07-20 22:10:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-20 22:10:36,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:36,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:36,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:10:36,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times [2022-07-20 22:10:36,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:36,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544902299] [2022-07-20 22:10:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:36,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:36,256 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:36,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805904383] [2022-07-20 22:10:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:36,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 22:10:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:36,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 22:10:36,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:36,571 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-20 22:10:36,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-07-20 22:10:36,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:36,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:36,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:37,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 11 [2022-07-20 22:10:37,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 11 [2022-07-20 22:10:37,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:37,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 5 [2022-07-20 22:10:37,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:10:37,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:37,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 11 [2022-07-20 22:10:37,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:37,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-20 22:10:38,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:38,447 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-07-20 22:10:38,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 19 [2022-07-20 22:10:38,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:38,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:10:38,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:38,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544902299] [2022-07-20 22:10:38,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:38,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805904383] [2022-07-20 22:10:38,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805904383] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:10:38,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:10:38,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 22:10:38,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910756625] [2022-07-20 22:10:38,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:10:38,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 22:10:38,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 22:10:38,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:10:38,520 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:38,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:38,586 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-07-20 22:10:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 22:10:38,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-20 22:10:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:38,587 INFO L225 Difference]: With dead ends: 39 [2022-07-20 22:10:38,587 INFO L226 Difference]: Without dead ends: 37 [2022-07-20 22:10:38,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 22:10:38,589 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:38,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 49 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:10:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-07-20 22:10:38,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2022-07-20 22:10:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:38,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-07-20 22:10:38,594 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 14 [2022-07-20 22:10:38,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:38,595 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-07-20 22:10:38,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-07-20 22:10:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-20 22:10:38,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:38,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:38,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 22:10:38,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:38,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:38,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:38,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1850906398, now seen corresponding path program 1 times [2022-07-20 22:10:38,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:38,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246844374] [2022-07-20 22:10:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:38,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:38,855 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:38,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140446448] [2022-07-20 22:10:38,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:38,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:38,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:38,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:38,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 22:10:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:38,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 22:10:38,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:38,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:10:38,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:38,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246844374] [2022-07-20 22:10:38,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:38,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140446448] [2022-07-20 22:10:38,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140446448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:10:38,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:10:38,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 22:10:38,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034231712] [2022-07-20 22:10:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:10:38,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 22:10:38,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:38,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 22:10:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:10:38,965 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:39,062 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2022-07-20 22:10:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 22:10:39,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-20 22:10:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:39,072 INFO L225 Difference]: With dead ends: 62 [2022-07-20 22:10:39,072 INFO L226 Difference]: Without dead ends: 50 [2022-07-20 22:10:39,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 22:10:39,078 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:39,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 32 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:10:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-07-20 22:10:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2022-07-20 22:10:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-07-20 22:10:39,097 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 16 [2022-07-20 22:10:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:39,097 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-07-20 22:10:39,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-07-20 22:10:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-20 22:10:39,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:39,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:39,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-20 22:10:39,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-20 22:10:39,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:39,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:39,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1060218526, now seen corresponding path program 1 times [2022-07-20 22:10:39,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:39,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84568511] [2022-07-20 22:10:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:39,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:39,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361053134] [2022-07-20 22:10:39,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:39,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:39,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:39,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:39,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 22:10:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:39,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 22:10:39,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:39,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:10:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:39,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:39,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84568511] [2022-07-20 22:10:39,470 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:39,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361053134] [2022-07-20 22:10:39,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361053134] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:10:39,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:10:39,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-07-20 22:10:39,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275889624] [2022-07-20 22:10:39,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:10:39,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 22:10:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 22:10:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:10:39,480 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:39,608 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-07-20 22:10:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 22:10:39,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-20 22:10:39,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:39,609 INFO L225 Difference]: With dead ends: 53 [2022-07-20 22:10:39,609 INFO L226 Difference]: Without dead ends: 44 [2022-07-20 22:10:39,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-20 22:10:39,610 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 40 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:39,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 44 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:10:39,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-20 22:10:39,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2022-07-20 22:10:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-07-20 22:10:39,615 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 16 [2022-07-20 22:10:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:39,616 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-07-20 22:10:39,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-07-20 22:10:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-20 22:10:39,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:39,617 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:39,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-20 22:10:39,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:39,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:39,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1120615462, now seen corresponding path program 1 times [2022-07-20 22:10:39,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:39,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870060026] [2022-07-20 22:10:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:39,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:39,856 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:39,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094695522] [2022-07-20 22:10:39,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:39,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:39,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:39,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:39,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 22:10:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:39,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 22:10:39,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:39,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:10:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:39,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870060026] [2022-07-20 22:10:39,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:39,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094695522] [2022-07-20 22:10:39,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094695522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:10:39,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:10:39,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 22:10:39,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712611186] [2022-07-20 22:10:39,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:10:39,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 22:10:39,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 22:10:39,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:10:39,968 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:40,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:40,061 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-07-20 22:10:40,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 22:10:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-07-20 22:10:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:40,062 INFO L225 Difference]: With dead ends: 48 [2022-07-20 22:10:40,062 INFO L226 Difference]: Without dead ends: 32 [2022-07-20 22:10:40,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-20 22:10:40,063 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:40,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 34 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:10:40,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-07-20 22:10:40,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-07-20 22:10:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-07-20 22:10:40,067 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2022-07-20 22:10:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:40,067 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-07-20 22:10:40,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-07-20 22:10:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-20 22:10:40,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:40,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:40,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 22:10:40,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:40,275 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:40,276 INFO L85 PathProgramCache]: Analyzing trace with hash 615941150, now seen corresponding path program 1 times [2022-07-20 22:10:40,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:40,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524729618] [2022-07-20 22:10:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:40,305 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:40,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153705934] [2022-07-20 22:10:40,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:40,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:40,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:40,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:40,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 22:10:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:40,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-20 22:10:40,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:40,523 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-20 22:10:40,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-07-20 22:10:40,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:40,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:40,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 7 [2022-07-20 22:10:40,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,692 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-07-20 22:10:40,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 84 [2022-07-20 22:10:40,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:40,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,800 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:10:40,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 87 [2022-07-20 22:10:40,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:40,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:10:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:10:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:10:40,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:10:40,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 74 treesize of output 69 [2022-07-20 22:10:40,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:41,204 INFO L356 Elim1Store]: treesize reduction 129, result has 36.5 percent of original size [2022-07-20 22:10:41,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 272 treesize of output 284 [2022-07-20 22:10:41,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-20 22:10:41,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:41,741 INFO L356 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2022-07-20 22:10:41,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 122 treesize of output 47 [2022-07-20 22:10:41,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 12 [2022-07-20 22:10:41,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-20 22:10:41,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-20 22:10:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:10:41,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-20 22:10:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:10:41,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:10:42,022 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_290 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_290) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-07-20 22:10:42,039 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (= c_~N~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_290) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-07-20 22:10:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-07-20 22:10:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:42,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524729618] [2022-07-20 22:10:42,056 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:42,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153705934] [2022-07-20 22:10:42,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153705934] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:10:42,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:10:42,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 22:10:42,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099147086] [2022-07-20 22:10:42,057 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:10:42,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 22:10:42,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 22:10:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=80, Unknown=2, NotChecked=38, Total=156 [2022-07-20 22:10:42,058 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:42,251 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-07-20 22:10:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 22:10:42,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-20 22:10:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:42,253 INFO L225 Difference]: With dead ends: 53 [2022-07-20 22:10:42,253 INFO L226 Difference]: Without dead ends: 51 [2022-07-20 22:10:42,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=169, Unknown=2, NotChecked=58, Total=306 [2022-07-20 22:10:42,254 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 45 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:42,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 111 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 103 Unchecked, 0.1s Time] [2022-07-20 22:10:42,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-20 22:10:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2022-07-20 22:10:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-07-20 22:10:42,258 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 20 [2022-07-20 22:10:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:42,259 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-07-20 22:10:42,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-07-20 22:10:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-20 22:10:42,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:42,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:42,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 22:10:42,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:42,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:42,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash 859342364, now seen corresponding path program 2 times [2022-07-20 22:10:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:42,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922085064] [2022-07-20 22:10:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:42,495 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:42,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100189936] [2022-07-20 22:10:42,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 22:10:42,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:42,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:42,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 22:10:42,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 22:10:42,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:10:42,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 22:10:42,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:10:42,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:10:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:10:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:42,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922085064] [2022-07-20 22:10:42,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:42,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100189936] [2022-07-20 22:10:42,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100189936] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:10:42,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:10:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-07-20 22:10:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437318045] [2022-07-20 22:10:42,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:10:42,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 22:10:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 22:10:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-20 22:10:42,653 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:42,786 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2022-07-20 22:10:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 22:10:42,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-20 22:10:42,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:42,788 INFO L225 Difference]: With dead ends: 86 [2022-07-20 22:10:42,788 INFO L226 Difference]: Without dead ends: 68 [2022-07-20 22:10:42,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-07-20 22:10:42,792 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 47 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:42,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 48 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:10:42,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-07-20 22:10:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 42. [2022-07-20 22:10:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-07-20 22:10:42,811 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 22 [2022-07-20 22:10:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:42,811 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-07-20 22:10:42,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-07-20 22:10:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-20 22:10:42,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:42,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:42,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 22:10:43,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:43,035 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:43,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:43,036 INFO L85 PathProgramCache]: Analyzing trace with hash 803751580, now seen corresponding path program 3 times [2022-07-20 22:10:43,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:43,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936636643] [2022-07-20 22:10:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:43,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:43,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438586987] [2022-07-20 22:10:43,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 22:10:43,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:43,063 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:43,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 22:10:43,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-20 22:10:43,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:10:43,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 22:10:43,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:10:43,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:10:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:10:43,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:10:43,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936636643] [2022-07-20 22:10:43,280 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:10:43,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438586987] [2022-07-20 22:10:43,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438586987] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:10:43,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:10:43,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-07-20 22:10:43,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24955982] [2022-07-20 22:10:43,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:10:43,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 22:10:43,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:10:43,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 22:10:43,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-20 22:10:43,281 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:10:43,456 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2022-07-20 22:10:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 22:10:43,457 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-20 22:10:43,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:10:43,457 INFO L225 Difference]: With dead ends: 71 [2022-07-20 22:10:43,457 INFO L226 Difference]: Without dead ends: 60 [2022-07-20 22:10:43,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-07-20 22:10:43,458 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 46 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:10:43,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 61 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:10:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-07-20 22:10:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2022-07-20 22:10:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-07-20 22:10:43,463 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 22 [2022-07-20 22:10:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:10:43,463 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-07-20 22:10:43,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:10:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-07-20 22:10:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-20 22:10:43,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:10:43,464 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:10:43,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-20 22:10:43,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:43,675 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:10:43,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:10:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash 678263444, now seen corresponding path program 1 times [2022-07-20 22:10:43,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:10:43,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457924948] [2022-07-20 22:10:43,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:10:43,725 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 22:10:43,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328392838] [2022-07-20 22:10:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:10:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:10:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:10:43,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:10:43,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-20 22:10:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:10:43,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 40 conjunts are in the unsatisfiable core [2022-07-20 22:10:43,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:10:44,291 INFO L356 Elim1Store]: treesize reduction 252, result has 37.8 percent of original size [2022-07-20 22:10:44,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 226 treesize of output 790 [2022-07-20 22:10:44,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-07-20 22:10:44,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-07-20 22:10:44,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-07-20 22:10:47,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:10:47,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-07-20 22:10:54,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4986 treesize of output 4538 [2022-07-20 22:11:29,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,255 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:11:29,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 1619 treesize of output 1608 [2022-07-20 22:11:29,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 245 [2022-07-20 22:11:29,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 223 [2022-07-20 22:11:29,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 223 [2022-07-20 22:11:29,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 223 [2022-07-20 22:11:29,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:29,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 375 [2022-07-20 22:11:30,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:11:30,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 584 treesize of output 561 [2022-07-20 22:11:30,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,450 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:11:30,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 519 treesize of output 504 [2022-07-20 22:11:30,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 297 [2022-07-20 22:11:30,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:30,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:30,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:31,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:31,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:31,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:31,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:31,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:31,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:31,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 158 [2022-07-20 22:11:32,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:32,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 153 [2022-07-20 22:11:32,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 365 treesize of output 346 [2022-07-20 22:11:32,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 268 [2022-07-20 22:11:32,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:32,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 158 [2022-07-20 22:11:33,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 163 [2022-07-20 22:11:33,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 158 [2022-07-20 22:11:33,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 158 [2022-07-20 22:11:33,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 163 [2022-07-20 22:11:33,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 163 [2022-07-20 22:11:33,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:33,969 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-07-20 22:11:33,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 526 treesize of output 501 [2022-07-20 22:11:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:11:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:11:34,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,120 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:11:34,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 615 treesize of output 598 [2022-07-20 22:11:34,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:34,247 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-07-20 22:11:34,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 589 treesize of output 564 [2022-07-20 22:11:39,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 272 [2022-07-20 22:11:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 350 [2022-07-20 22:11:39,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:39,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:39,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:39,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:39,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:39,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:39,808 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:40,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2022-07-20 22:11:40,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 133 [2022-07-20 22:11:40,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 355 [2022-07-20 22:11:40,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2022-07-20 22:11:40,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2022-07-20 22:11:40,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 133 [2022-07-20 22:11:40,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 133 [2022-07-20 22:11:40,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:40,731 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:11:40,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 560 treesize of output 547 [2022-07-20 22:11:41,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 243 [2022-07-20 22:11:41,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 336 treesize of output 321 [2022-07-20 22:11:41,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:41,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:41,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:41,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:41,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2022-07-20 22:11:41,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:41,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2022-07-20 22:11:42,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 198 [2022-07-20 22:11:42,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 198 [2022-07-20 22:11:42,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 365 treesize of output 350 [2022-07-20 22:11:42,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 220 [2022-07-20 22:11:42,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 198 [2022-07-20 22:11:42,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:42,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1294 treesize of output 1279 [2022-07-20 22:11:47,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 331 treesize of output 318 [2022-07-20 22:11:47,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:47,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:47,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:47,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:47,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:47,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:47,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:48,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 253 treesize of output 240 [2022-07-20 22:11:48,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,395 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:11:48,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 555 treesize of output 544 [2022-07-20 22:11:48,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 130 [2022-07-20 22:11:48,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 135 [2022-07-20 22:11:48,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 371 treesize of output 352 [2022-07-20 22:11:48,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 135 [2022-07-20 22:11:48,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 135 [2022-07-20 22:11:48,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 130 [2022-07-20 22:11:48,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:48,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 130 [2022-07-20 22:11:49,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:49,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:49,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 138 treesize of output 125 [2022-07-20 22:11:49,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:49,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 143 treesize of output 130 [2022-07-20 22:11:49,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 286 treesize of output 269 [2022-07-20 22:11:49,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:49,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 364 treesize of output 347 [2022-07-20 22:11:50,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 1289 treesize of output 1276 [2022-07-20 22:11:50,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 208 treesize of output 195 [2022-07-20 22:11:50,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 208 treesize of output 195 [2022-07-20 22:11:50,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 230 treesize of output 217 [2022-07-20 22:11:50,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 208 treesize of output 195 [2022-07-20 22:11:50,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:11:50,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 360 treesize of output 347 [2022-07-20 22:11:54,209 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,226 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,252 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,271 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,360 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,413 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,565 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,745 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:54,788 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:54,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:55,019 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:55,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:55,093 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:55,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:55,246 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:55,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:55,272 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:55,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:55,985 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:55,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:56,036 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:11:56,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:11:56,047 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-07-20 22:11:56,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 197 [2022-07-20 22:12:00,142 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-07-20 22:12:00,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 60 [2022-07-20 22:12:00,158 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-20 22:12:00,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2022-07-20 22:12:00,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2022-07-20 22:12:07,131 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,150 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,175 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,194 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,279 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,339 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,463 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,607 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,640 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,814 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:07,881 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:07,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:08,030 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:08,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:08,059 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:08,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:08,685 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:08,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:08,742 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-07-20 22:12:08,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2022-07-20 22:12:08,753 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-07-20 22:12:08,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 197 [2022-07-20 22:12:12,495 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-07-20 22:12:12,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 60 [2022-07-20 22:12:13,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2022-07-20 22:12:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:25,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:25,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:25,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 167 treesize of output 40 [2022-07-20 22:12:25,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:29,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:31,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:33,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:34,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:34,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:34,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 72 [2022-07-20 22:12:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:34,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:34,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:34,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 72 [2022-07-20 22:12:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 112 treesize of output 67 [2022-07-20 22:12:35,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 27 [2022-07-20 22:12:35,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 112 treesize of output 67 [2022-07-20 22:12:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:35,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:35,856 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 27 [2022-07-20 22:12:35,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:36,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 25 [2022-07-20 22:12:36,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 32 [2022-07-20 22:12:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 32 [2022-07-20 22:12:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 27 [2022-07-20 22:12:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 77 [2022-07-20 22:12:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 77 [2022-07-20 22:12:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 32 [2022-07-20 22:12:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 32 [2022-07-20 22:12:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 72 [2022-07-20 22:12:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:36,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:36,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 72 [2022-07-20 22:12:37,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 37 [2022-07-20 22:12:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:37,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 37 [2022-07-20 22:12:37,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,211 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-20 22:12:37,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 67 [2022-07-20 22:12:37,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:37,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2022-07-20 22:12:37,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:37,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:37,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 258 [2022-07-20 22:12:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:12:37,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457924948] [2022-07-20 22:12:37,267 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 22:12:37,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328392838] [2022-07-20 22:12:37,268 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-20 22:12:37,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-20 22:12:37,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-20 22:12:37,484 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Should have been eliminated by DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:764) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:725) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:643) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:335) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDistributivityAndPush(QuantifierPusher.java:409) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:354) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDistributivityAndPush(QuantifierPusher.java:409) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:354) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDistributivityAndPush(QuantifierPusher.java:409) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:354) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDistributivityAndPush(QuantifierPusher.java:409) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:354) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:254) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:348) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDistributivityAndPush(QuantifierPusher.java:409) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:354) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:254) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:348) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:409) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:300) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 22:12:37,488 INFO L158 Benchmark]: Toolchain (without parser) took 122414.76ms. Allocated memory was 86.0MB in the beginning and 232.8MB in the end (delta: 146.8MB). Free memory was 51.0MB in the beginning and 76.7MB in the end (delta: -25.7MB). Peak memory consumption was 135.6MB. Max. memory is 16.1GB. [2022-07-20 22:12:37,488 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:12:37,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.59ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 50.9MB in the beginning and 83.7MB in the end (delta: -32.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-07-20 22:12:37,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:12:37,488 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:12:37,489 INFO L158 Benchmark]: RCFGBuilder took 360.57ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 68.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-20 22:12:37,489 INFO L158 Benchmark]: TraceAbstraction took 121684.88ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 67.8MB in the beginning and 76.7MB in the end (delta: -9.0MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2022-07-20 22:12:37,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.59ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 50.9MB in the beginning and 83.7MB in the end (delta: -32.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.57ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 68.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 121684.88ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 67.8MB in the beginning and 76.7MB in the end (delta: -9.0MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Should have been eliminated by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Should have been eliminated by DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-20 22:12:37,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-fpi/ncomp.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:12:39,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:12:39,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:12:39,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:12:39,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:12:39,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:12:39,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:12:39,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:12:39,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:12:39,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:12:39,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:12:39,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:12:39,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:12:39,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:12:39,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:12:39,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:12:39,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:12:39,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:12:39,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:12:39,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:12:39,317 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:12:39,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:12:39,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:12:39,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:12:39,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:12:39,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:12:39,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:12:39,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:12:39,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:12:39,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:12:39,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:12:39,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:12:39,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:12:39,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:12:39,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:12:39,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:12:39,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:12:39,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:12:39,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:12:39,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:12:39,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:12:39,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:12:39,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-20 22:12:39,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:12:39,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:12:39,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:12:39,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:12:39,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:12:39,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:12:39,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:12:39,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:12:39,390 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:12:39,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:12:39,391 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:12:39,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:12:39,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:12:39,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:12:39,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:12:39,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:12:39,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 22:12:39,393 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 22:12:39,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 22:12:39,393 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:12:39,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:12:39,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:12:39,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:12:39,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:12:39,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:12:39,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:12:39,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:12:39,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:12:39,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:12:39,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:12:39,396 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 22:12:39,396 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 22:12:39,396 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:12:39,396 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:12:39,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:12:39,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 22:12:39,397 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d [2022-07-20 22:12:39,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:12:39,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:12:39,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:12:39,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:12:39,731 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:12:39,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ncomp.c [2022-07-20 22:12:39,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37076189d/2fa878840f314dd4880e097733faa623/FLAG8b1548367 [2022-07-20 22:12:40,202 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:12:40,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c [2022-07-20 22:12:40,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37076189d/2fa878840f314dd4880e097733faa623/FLAG8b1548367 [2022-07-20 22:12:40,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37076189d/2fa878840f314dd4880e097733faa623 [2022-07-20 22:12:40,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:12:40,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:12:40,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:12:40,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:12:40,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:12:40,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2973a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40, skipping insertion in model container [2022-07-20 22:12:40,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:12:40,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:12:40,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-07-20 22:12:40,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:12:40,797 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:12:40,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-07-20 22:12:40,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:12:40,838 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:12:40,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40 WrapperNode [2022-07-20 22:12:40,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:12:40,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:12:40,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:12:40,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:12:40,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,875 INFO L137 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-07-20 22:12:40,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:12:40,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:12:40,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:12:40,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:12:40,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:12:40,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:12:40,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:12:40,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:12:40,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (1/1) ... [2022-07-20 22:12:40,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:12:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:12:40,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 22:12:40,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:12:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:12:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 22:12:41,007 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:12:41,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:12:41,338 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:12:41,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:12:41,344 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 22:12:41,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:12:41 BoogieIcfgContainer [2022-07-20 22:12:41,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:12:41,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:12:41,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:12:41,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:12:41,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:12:40" (1/3) ... [2022-07-20 22:12:41,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d78d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:12:41, skipping insertion in model container [2022-07-20 22:12:41,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:12:40" (2/3) ... [2022-07-20 22:12:41,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d78d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:12:41, skipping insertion in model container [2022-07-20 22:12:41,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:12:41" (3/3) ... [2022-07-20 22:12:41,351 INFO L111 eAbstractionObserver]: Analyzing ICFG ncomp.c [2022-07-20 22:12:41,362 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:12:41,362 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:12:41,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:12:41,417 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3143c097, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5311d066 [2022-07-20 22:12:41,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:12:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-20 22:12:41,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:41,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:41,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:41,440 INFO L85 PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times [2022-07-20 22:12:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:41,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118948209] [2022-07-20 22:12:41,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:12:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:41,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:41,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 22:12:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:12:41,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 22:12:41,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:12:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:41,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:12:41,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:12:41,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118948209] [2022-07-20 22:12:41,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118948209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:12:41,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:12:41,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:12:41,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912911662] [2022-07-20 22:12:41,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:12:41,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 22:12:41,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:12:41,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 22:12:41,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 22:12:41,741 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:12:41,758 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-07-20 22:12:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 22:12:41,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-20 22:12:41,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:12:41,768 INFO L225 Difference]: With dead ends: 44 [2022-07-20 22:12:41,768 INFO L226 Difference]: Without dead ends: 20 [2022-07-20 22:12:41,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 22:12:41,776 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:12:41,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:12:41,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-20 22:12:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-20 22:12:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-07-20 22:12:41,814 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2022-07-20 22:12:41,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:12:41,814 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-07-20 22:12:41,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-07-20 22:12:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-20 22:12:41,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:41,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:41,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 22:12:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:12:42,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times [2022-07-20 22:12:42,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129882928] [2022-07-20 22:12:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:12:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:42,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:42,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:42,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 22:12:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:12:42,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 22:12:42,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:12:42,853 INFO L356 Elim1Store]: treesize reduction 171, result has 27.2 percent of original size [2022-07-20 22:12:42,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 256 [2022-07-20 22:12:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:12:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:12:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:42,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:12:44,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:44,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:44,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 54 treesize of output 17 [2022-07-20 22:12:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:44,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:12:44,263 INFO L356 Elim1Store]: treesize reduction 33, result has 19.5 percent of original size [2022-07-20 22:12:44,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 47 [2022-07-20 22:12:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:44,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:12:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:44,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:12:45,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 29 treesize of output 17 [2022-07-20 22:12:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:45,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:12:45,962 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:12:45,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2022-07-20 22:12:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:45,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:12:45,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:12:45,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129882928] [2022-07-20 22:12:45,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129882928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:12:45,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:12:45,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 22:12:45,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259602732] [2022-07-20 22:12:45,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:12:45,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 22:12:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:12:45,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 22:12:45,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 22:12:45,991 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:46,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:12:46,796 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-07-20 22:12:46,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 22:12:46,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-20 22:12:46,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:12:46,800 INFO L225 Difference]: With dead ends: 43 [2022-07-20 22:12:46,800 INFO L226 Difference]: Without dead ends: 21 [2022-07-20 22:12:46,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-07-20 22:12:46,802 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 66 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 22:12:46,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 42 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 22:12:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-07-20 22:12:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-20 22:12:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-07-20 22:12:46,811 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2022-07-20 22:12:46,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:12:46,811 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-07-20 22:12:46,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-07-20 22:12:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-20 22:12:46,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:46,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:46,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 22:12:47,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:12:47,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:47,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1060218526, now seen corresponding path program 1 times [2022-07-20 22:12:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67715697] [2022-07-20 22:12:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:12:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:47,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:47,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 22:12:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:12:47,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-20 22:12:47,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:12:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:47,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:12:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:47,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:12:47,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67715697] [2022-07-20 22:12:47,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67715697] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:12:47,487 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:12:47,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2022-07-20 22:12:47,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430858816] [2022-07-20 22:12:47,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:12:47,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-20 22:12:47,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:12:47,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-20 22:12:47,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-07-20 22:12:47,488 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:12:48,469 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2022-07-20 22:12:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 22:12:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-20 22:12:48,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:12:48,481 INFO L225 Difference]: With dead ends: 61 [2022-07-20 22:12:48,481 INFO L226 Difference]: Without dead ends: 49 [2022-07-20 22:12:48,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-07-20 22:12:48,482 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 173 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 22:12:48,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 29 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 22:12:48,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-07-20 22:12:48,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 35. [2022-07-20 22:12:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-07-20 22:12:48,491 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 16 [2022-07-20 22:12:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:12:48,491 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-07-20 22:12:48,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-07-20 22:12:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-20 22:12:48,492 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:48,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:48,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-20 22:12:48,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:12:48,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:48,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:48,698 INFO L85 PathProgramCache]: Analyzing trace with hash 615941150, now seen corresponding path program 1 times [2022-07-20 22:12:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:48,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256002527] [2022-07-20 22:12:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:12:48,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:48,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:48,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 22:12:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:12:49,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjunts are in the unsatisfiable core [2022-07-20 22:12:49,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:12:49,073 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-20 22:12:49,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2022-07-20 22:12:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-20 22:12:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:12:49,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-07-20 22:12:49,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-07-20 22:12:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:12:49,473 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:12:49,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 45 [2022-07-20 22:12:49,570 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:12:49,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2022-07-20 22:12:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:49,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:12:53,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:53,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:12:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:12:53,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:12:53,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256002527] [2022-07-20 22:12:53,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256002527] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:12:53,373 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:12:53,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2022-07-20 22:12:53,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991896532] [2022-07-20 22:12:53,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:12:53,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-20 22:12:53,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:12:53,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-20 22:12:53,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=328, Unknown=3, NotChecked=0, Total=420 [2022-07-20 22:12:53,375 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:56,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:12:56,219 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2022-07-20 22:12:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 22:12:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-20 22:12:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:12:56,231 INFO L225 Difference]: With dead ends: 58 [2022-07-20 22:12:56,231 INFO L226 Difference]: Without dead ends: 49 [2022-07-20 22:12:56,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=261, Invalid=792, Unknown=3, NotChecked=0, Total=1056 [2022-07-20 22:12:56,233 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 83 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 22:12:56,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 121 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 195 Invalid, 0 Unknown, 85 Unchecked, 1.7s Time] [2022-07-20 22:12:56,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-07-20 22:12:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2022-07-20 22:12:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-07-20 22:12:56,240 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 20 [2022-07-20 22:12:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:12:56,240 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-07-20 22:12:56,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-07-20 22:12:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-20 22:12:56,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:56,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:56,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-20 22:12:56,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:12:56,442 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:56,443 INFO L85 PathProgramCache]: Analyzing trace with hash 803751580, now seen corresponding path program 2 times [2022-07-20 22:12:56,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:56,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639820674] [2022-07-20 22:12:56,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 22:12:56,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:56,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:56,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:56,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 22:12:56,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 22:12:56,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:12:56,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 22:12:56,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:12:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:12:56,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:12:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:12:57,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:12:57,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639820674] [2022-07-20 22:12:57,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639820674] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:12:57,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:12:57,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2022-07-20 22:12:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143169277] [2022-07-20 22:12:57,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:12:57,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-20 22:12:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:12:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-20 22:12:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2022-07-20 22:12:57,241 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:12:59,185 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2022-07-20 22:12:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-20 22:12:59,197 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-20 22:12:59,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:12:59,198 INFO L225 Difference]: With dead ends: 105 [2022-07-20 22:12:59,198 INFO L226 Difference]: Without dead ends: 88 [2022-07-20 22:12:59,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=360, Invalid=1046, Unknown=0, NotChecked=0, Total=1406 [2022-07-20 22:12:59,200 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 247 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:12:59,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 64 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 22:12:59,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-20 22:12:59,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 60. [2022-07-20 22:12:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.11864406779661) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2022-07-20 22:12:59,209 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 22 [2022-07-20 22:12:59,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:12:59,209 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2022-07-20 22:12:59,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:12:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-07-20 22:12:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-20 22:12:59,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:12:59,210 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:12:59,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 22:12:59,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:12:59,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:12:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:12:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash 678263444, now seen corresponding path program 1 times [2022-07-20 22:12:59,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:12:59,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105039886] [2022-07-20 22:12:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:12:59,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:12:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:12:59,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:12:59,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 22:13:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:13:00,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 54 conjunts are in the unsatisfiable core [2022-07-20 22:13:00,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:13:00,307 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-20 22:13:00,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-07-20 22:13:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:00,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2022-07-20 22:13:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,374 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-20 22:13:00,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 46 [2022-07-20 22:13:00,571 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-20 22:13:00,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 42 treesize of output 42 [2022-07-20 22:13:00,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-20 22:13:00,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 41 [2022-07-20 22:13:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:00,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2022-07-20 22:13:03,548 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-07-20 22:13:03,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 123 treesize of output 63 [2022-07-20 22:13:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:13:03,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:13:24,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:24,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:24,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:24,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:24,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:24,329 INFO L356 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-07-20 22:13:24,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 856 treesize of output 1 [2022-07-20 22:13:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:13:24,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:13:24,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105039886] [2022-07-20 22:13:24,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105039886] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:13:24,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:13:24,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-07-20 22:13:24,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928646487] [2022-07-20 22:13:24,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:13:24,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-20 22:13:24,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:13:24,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-20 22:13:24,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=626, Unknown=1, NotChecked=0, Total=756 [2022-07-20 22:13:24,339 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 28 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:13:28,798 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2022-07-20 22:13:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-20 22:13:28,799 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-20 22:13:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:13:28,800 INFO L225 Difference]: With dead ends: 62 [2022-07-20 22:13:28,800 INFO L226 Difference]: Without dead ends: 45 [2022-07-20 22:13:28,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=229, Invalid=1030, Unknown=1, NotChecked=0, Total=1260 [2022-07-20 22:13:28,801 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 89 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 22:13:28,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 76 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 135 Invalid, 0 Unknown, 89 Unchecked, 2.8s Time] [2022-07-20 22:13:28,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-07-20 22:13:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-07-20 22:13:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2022-07-20 22:13:28,807 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 24 [2022-07-20 22:13:28,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:13:28,807 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2022-07-20 22:13:28,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-07-20 22:13:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-20 22:13:28,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:13:28,808 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:13:28,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 22:13:29,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:13:29,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:13:29,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:13:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1304966232, now seen corresponding path program 3 times [2022-07-20 22:13:29,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:13:29,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214131700] [2022-07-20 22:13:29,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 22:13:29,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:13:29,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:13:29,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:13:29,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 22:13:29,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-20 22:13:29,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:13:29,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-20 22:13:29,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:13:29,963 INFO L356 Elim1Store]: treesize reduction 171, result has 27.2 percent of original size [2022-07-20 22:13:29,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 266 treesize of output 308 [2022-07-20 22:13:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:13:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:13:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-07-20 22:13:30,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 95 [2022-07-20 22:13:30,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,458 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-20 22:13:30,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 94 treesize of output 93 [2022-07-20 22:13:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:30,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 87 treesize of output 80 [2022-07-20 22:13:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:30,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:30,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 101 treesize of output 90 [2022-07-20 22:13:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:30,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:32,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:32,172 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-07-20 22:13:32,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 30 [2022-07-20 22:13:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:32,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:33,931 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-20 22:13:33,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2022-07-20 22:13:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 44 [2022-07-20 22:13:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-07-20 22:13:34,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-07-20 22:13:34,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-07-20 22:13:34,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-07-20 22:13:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,733 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:13:34,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 52 [2022-07-20 22:13:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:34,858 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:13:34,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 45 [2022-07-20 22:13:35,013 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 22:13:35,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2022-07-20 22:13:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:13:35,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:13:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 22:13:41,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 22:13:41,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214131700] [2022-07-20 22:13:41,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214131700] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:13:41,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 22:13:41,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2022-07-20 22:13:41,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390833210] [2022-07-20 22:13:41,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 22:13:41,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-20 22:13:41,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 22:13:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-20 22:13:41,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=639, Unknown=7, NotChecked=0, Total=812 [2022-07-20 22:13:41,120 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 29 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 29 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:13:52,374 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2022-07-20 22:13:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-07-20 22:13:52,393 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 29 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-20 22:13:52,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:13:52,394 INFO L225 Difference]: With dead ends: 100 [2022-07-20 22:13:52,394 INFO L226 Difference]: Without dead ends: 98 [2022-07-20 22:13:52,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=348, Invalid=1618, Unknown=14, NotChecked=0, Total=1980 [2022-07-20 22:13:52,396 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 76 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 240 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 22:13:52,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 120 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 163 Invalid, 0 Unknown, 240 Unchecked, 2.4s Time] [2022-07-20 22:13:52,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-07-20 22:13:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 70. [2022-07-20 22:13:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.144927536231884) internal successors, (79), 69 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2022-07-20 22:13:52,407 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 26 [2022-07-20 22:13:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:13:52,408 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2022-07-20 22:13:52,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 29 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:13:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2022-07-20 22:13:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-20 22:13:52,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:13:52,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:13:52,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 22:13:52,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:13:52,628 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:13:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:13:52,629 INFO L85 PathProgramCache]: Analyzing trace with hash 341343694, now seen corresponding path program 2 times [2022-07-20 22:13:52,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:13:52,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679245027] [2022-07-20 22:13:52,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 22:13:52,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:13:52,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:13:52,630 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 22:13:52,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 22:13:53,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 22:13:53,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:13:53,506 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 66 conjunts are in the unsatisfiable core [2022-07-20 22:13:53,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:13:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:53,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:53,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:53,619 INFO L356 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2022-07-20 22:13:53,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 43 [2022-07-20 22:13:53,683 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-07-20 22:13:53,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 60 [2022-07-20 22:13:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:53,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-07-20 22:13:53,860 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-20 22:13:53,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2022-07-20 22:13:54,075 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-20 22:13:54,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 37 [2022-07-20 22:13:54,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-07-20 22:13:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 48 [2022-07-20 22:13:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 41 [2022-07-20 22:13:54,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-20 22:13:54,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:54,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 101 [2022-07-20 22:13:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 22:13:55,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 93 [2022-07-20 22:13:58,924 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-07-20 22:13:58,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 115 treesize of output 63 [2022-07-20 22:13:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:13:59,021 INFO L328 TraceCheckSpWp]: Computing backward predicates...