./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:37:01,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:37:01,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:37:01,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:37:01,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:37:01,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:37:01,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:37:01,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:37:01,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:37:01,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:37:01,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:37:01,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:37:01,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:37:01,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:37:01,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:37:01,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:37:01,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:37:01,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:37:01,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:37:01,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:37:01,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:37:01,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:37:01,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:37:01,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:37:01,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:37:01,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:37:01,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:37:01,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:37:01,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:37:01,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:37:01,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:37:01,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:37:01,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:37:01,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:37:01,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:37:01,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:37:01,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:37:01,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:37:01,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:37:01,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:37:01,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:37:01,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:37:01,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:37:01,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:37:01,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:37:01,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:37:01,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:37:01,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:37:01,966 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:37:01,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:37:01,966 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:37:01,967 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:37:01,967 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:37:01,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:37:01,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:37:01,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:37:01,968 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:37:01,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:37:01,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:37:01,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:37:01,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:37:01,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:37:01,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:37:01,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:37:01,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:37:01,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:37:01,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:37:01,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:37:01,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:37:01,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:37:01,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:37:01,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:37:01,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:37:01,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:37:01,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:01,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:37:01,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:37:01,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:37:01,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:37:01,973 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:37:01,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:37:01,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:37:01,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:37:01,974 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 [2022-11-26 00:37:02,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:37:02,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:37:02,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:37:02,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:37:02,319 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:37:02,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2022-11-26 00:37:05,393 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:37:05,809 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:37:05,813 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2022-11-26 00:37:05,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/data/80fe0960c/e331b03f75c34521a33f9afb7597a1ee/FLAG46420726d [2022-11-26 00:37:05,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/data/80fe0960c/e331b03f75c34521a33f9afb7597a1ee [2022-11-26 00:37:05,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:37:05,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:37:05,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:05,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:37:05,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:37:05,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:05" (1/1) ... [2022-11-26 00:37:05,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9352c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:05, skipping insertion in model container [2022-11-26 00:37:05,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:05" (1/1) ... [2022-11-26 00:37:05,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:37:05,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:37:06,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2022-11-26 00:37:06,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:06,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:37:06,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2022-11-26 00:37:06,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:06,428 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:37:06,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06 WrapperNode [2022-11-26 00:37:06,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:06,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:06,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:37:06,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:37:06,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,498 INFO L138 Inliner]: procedures = 127, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 123 [2022-11-26 00:37:06,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:06,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:37:06,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:37:06,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:37:06,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:37:06,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:37:06,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:37:06,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:37:06,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (1/1) ... [2022-11-26 00:37:06,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:06,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:37:06,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:37:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-26 00:37:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-26 00:37:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:37:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:37:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:37:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:37:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:37:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:37:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:37:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:37:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:37:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:37:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:37:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:37:06,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:37:06,808 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:37:06,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-26 00:37:07,147 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:37:07,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:37:07,253 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:37:07,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:07 BoogieIcfgContainer [2022-11-26 00:37:07,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:37:07,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:37:07,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:37:07,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:37:07,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:37:05" (1/3) ... [2022-11-26 00:37:07,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c30214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:07, skipping insertion in model container [2022-11-26 00:37:07,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:06" (2/3) ... [2022-11-26 00:37:07,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c30214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:07, skipping insertion in model container [2022-11-26 00:37:07,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:07" (3/3) ... [2022-11-26 00:37:07,265 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal.i [2022-11-26 00:37:07,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:37:07,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:37:07,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:37:07,344 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a20bb72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:37:07,345 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:37:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 15 states have (on average 1.6) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:37:07,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:07,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:37:07,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash -181130984, now seen corresponding path program 1 times [2022-11-26 00:37:07,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:07,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412975191] [2022-11-26 00:37:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:07,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:07,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412975191] [2022-11-26 00:37:07,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412975191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:07,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:37:07,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:37:07,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672176864] [2022-11-26 00:37:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:07,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:07,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:07,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:07,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:37:07,810 INFO L87 Difference]: Start difference. First operand has 19 states, 15 states have (on average 1.6) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:07,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:07,901 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2022-11-26 00:37:07,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:07,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-11-26 00:37:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:07,910 INFO L225 Difference]: With dead ends: 37 [2022-11-26 00:37:07,910 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 00:37:07,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:37:07,920 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:07,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:37:07,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 00:37:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-26 00:37:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2022-11-26 00:37:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-26 00:37:07,953 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2022-11-26 00:37:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:07,954 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-26 00:37:07,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-26 00:37:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:37:07,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:07,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:07,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:37:07,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash -171603972, now seen corresponding path program 1 times [2022-11-26 00:37:07,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:07,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971861180] [2022-11-26 00:37:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:07,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:08,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971861180] [2022-11-26 00:37:08,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971861180] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:08,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559756058] [2022-11-26 00:37:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:08,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:08,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:08,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f75732-d79b-4631-8962-4c99b6b96346/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:37:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:08,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:37:08,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:08,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:08,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559756058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:37:08,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1607892094] [2022-11-26 00:37:08,659 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-26 00:37:08,659 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:37:08,663 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:37:08,669 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:37:08,671 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:37:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,795 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:37:08,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:37:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:37:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,929 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:37:08,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:37:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:08,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:37:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2022-11-26 00:37:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2022-11-26 00:37:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,131 INFO L350 Elim1Store]: Elim1 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-26 00:37:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:09,163 INFO L350 Elim1Store]: Elim1 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-26 00:37:09,391 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-26 00:37:09,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 275 treesize of output 284 [2022-11-26 00:37:09,534 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-11-26 00:37:09,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 278 treesize of output 294 [2022-11-26 00:37:10,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,292 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-26 00:37:10,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 283 treesize of output 269 [2022-11-26 00:37:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,397 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-26 00:37:10,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 287 treesize of output 272 [2022-11-26 00:37:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 267 [2022-11-26 00:37:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 267 [2022-11-26 00:37:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,613 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-26 00:37:10,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 423 treesize of output 451 [2022-11-26 00:37:10,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,714 INFO L321 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2022-11-26 00:37:10,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 410 treesize of output 439 [2022-11-26 00:37:10,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 54 [2022-11-26 00:37:10,799 INFO L350 Elim1Store]: Elim1 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 21 treesize of output 13 [2022-11-26 00:37:10,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:10,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 34 treesize of output 17 [2022-11-26 00:37:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:10,881 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-26 00:37:10,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 415 treesize of output 370 [2022-11-26 00:37:11,079 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-26 00:37:11,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 61 [2022-11-26 00:37:11,098 INFO L350 Elim1Store]: Elim1 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 41 treesize of output 25 [2022-11-26 00:37:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,126 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 11 [2022-11-26 00:37:11,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:11,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:11,724 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-26 00:37:11,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 189 [2022-11-26 00:37:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:11,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:11,792 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-26 00:37:11,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 178 [2022-11-26 00:37:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:37:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-26 00:37:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-26 00:37:11,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 67 [2022-11-26 00:37:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 67 treesize of output 45 [2022-11-26 00:37:11,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:37:12,046 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-26 00:37:12,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 57 [2022-11-26 00:37:12,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:37:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 27 [2022-11-26 00:37:12,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:12,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:12,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:44,754 WARN L233 SmtUtils]: Spent 32.37s on a formula simplification. DAG size of input: 175 DAG size of output: 105 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:37:44,755 INFO L321 Elim1Store]: treesize reduction 995, result has 27.2 percent of original size [2022-11-26 00:37:44,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1407 treesize of output 1716 [2022-11-26 00:37:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:44,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,193 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-26 00:37:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:25,641 WARN L233 SmtUtils]: Spent 3.67m on a formula simplification. DAG size of input: 289 DAG size of output: 146 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:41:25,643 INFO L321 Elim1Store]: treesize reduction 1205, result has 23.9 percent of original size [2022-11-26 00:41:25,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 44 case distinctions, treesize of input 3165 treesize of output 3500 [2022-11-26 00:41:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:28,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:29,884 INFO L217 Elim1Store]: Index analysis took 1716 ms [2022-11-26 00:41:33,399 INFO L350 Elim1Store]: Elim1 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-26 00:41:35,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:35,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:35,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:35,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:36,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:36,099 INFO L217 Elim1Store]: Index analysis took 1032 ms [2022-11-26 00:41:49,632 WARN L233 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 85 DAG size of output: 17 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:41:49,633 INFO L321 Elim1Store]: treesize reduction 301, result has 8.2 percent of original size [2022-11-26 00:41:49,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 21 case distinctions, treesize of input 496 treesize of output 1147 [2022-11-26 00:41:51,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:52,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:52,966 INFO L217 Elim1Store]: Index analysis took 1973 ms [2022-11-26 00:41:55,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 41 [2022-11-26 00:41:57,666 INFO L217 Elim1Store]: Index analysis took 440 ms [2022-11-26 00:41:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:58,587 INFO L321 Elim1Store]: treesize reduction 49, result has 37.2 percent of original size [2022-11-26 00:41:58,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 135 [2022-11-26 00:41:59,569 INFO L217 Elim1Store]: Index analysis took 245 ms [2022-11-26 00:42:02,108 INFO L321 Elim1Store]: treesize reduction 63, result has 34.4 percent of original size [2022-11-26 00:42:02,108 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 94 treesize of output 91 [2022-11-26 00:42:02,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2022-11-26 00:42:02,706 INFO L217 Elim1Store]: Index analysis took 148 ms [2022-11-26 00:42:02,806 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:42:02,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 74 [2022-11-26 00:42:03,100 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:42:03,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2022-11-26 00:42:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:05,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:07,159 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-26 00:42:07,160 INFO L350 Elim1Store]: Elim1 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 5009 treesize of output 4988 [2022-11-26 00:42:07,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:42:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:08,393 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-26 00:42:08,394 INFO L350 Elim1Store]: Elim1 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 152 treesize of output 138