./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/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 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 --- 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 [2022-11-25 23:52:21,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:52:21,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:52:21,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:52:21,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:52:21,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:52:21,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:52:21,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:52:21,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:52:21,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:52:21,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:52:21,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:52:21,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:52:21,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:52:21,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:52:21,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:52:21,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:52:21,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:52:21,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:52:21,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:52:21,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:52:21,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:52:21,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:52:21,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:52:21,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:52:21,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:52:21,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:52:21,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:52:21,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:52:21,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:52:21,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:52:21,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:52:21,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:52:21,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:52:21,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:52:21,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:52:21,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:52:21,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:52:21,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:52:21,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:52:21,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:52:21,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:52:21,263 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:52:21,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:52:21,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:52:21,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:52:21,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:52:21,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:52:21,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:52:21,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:52:21,266 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:52:21,266 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:52:21,268 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:52:21,268 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:52:21,268 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:52:21,268 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:52:21,269 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:52:21,269 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:52:21,269 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:52:21,269 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:52:21,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:52:21,270 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:52:21,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:52:21,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:52:21,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:52:21,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:52:21,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:52:21,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:52:21,273 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:52:21,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:52:21,273 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:52:21,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:52:21,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:52:21,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:52:21,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:52:21,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:52:21,275 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:52:21,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:52:21,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:52:21,275 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:52:21,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:52:21,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:52:21,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:52:21,286 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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 [2022-11-25 23:52:21,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:52:21,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:52:21,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:52:21,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:52:21,616 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:52:21,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2022-11-25 23:52:24,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:52:25,157 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:52:25,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2022-11-25 23:52:25,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/data/6656d3077/69d48d3fb1564188a57a640a1156cc63/FLAG50f5a83fd [2022-11-25 23:52:25,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/data/6656d3077/69d48d3fb1564188a57a640a1156cc63 [2022-11-25 23:52:25,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:52:25,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:52:25,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:52:25,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:52:25,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:52:25,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f857da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25, skipping insertion in model container [2022-11-25 23:52:25,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:52:25,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:52:25,593 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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2022-11-25 23:52:25,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:52:25,620 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:52:25,697 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_5223f9e3-5392-4dce-8a2f-6f487dee5a19/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2022-11-25 23:52:25,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:52:25,727 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:52:25,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25 WrapperNode [2022-11-25 23:52:25,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:52:25,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:52:25,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:52:25,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:52:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,782 INFO L138 Inliner]: procedures = 127, calls = 38, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2022-11-25 23:52:25,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:52:25,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:52:25,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:52:25,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:52:25,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:52:25,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:52:25,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:52:25,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:52:25,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (1/1) ... [2022-11-25 23:52:25,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:52:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:25,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:52:25,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:52:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-25 23:52:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-25 23:52:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:52:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:52:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:52:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:52:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:52:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:52:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:52:26,165 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:52:26,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:52:26,207 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-25 23:52:26,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:52:26,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:52:26,550 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 23:52:26,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:52:26 BoogieIcfgContainer [2022-11-25 23:52:26,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:52:26,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:52:26,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:52:26,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:52:26,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:52:25" (1/3) ... [2022-11-25 23:52:26,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d39ad71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:52:26, skipping insertion in model container [2022-11-25 23:52:26,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:52:25" (2/3) ... [2022-11-25 23:52:26,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d39ad71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:52:26, skipping insertion in model container [2022-11-25 23:52:26,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:52:26" (3/3) ... [2022-11-25 23:52:26,564 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_equal.i [2022-11-25 23:52:26,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:52:26,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:52:26,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:52:26,725 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;@23e3941c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:52:26,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:52:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 16 states have internal predecessors, (22), 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) [2022-11-25 23:52:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:52:26,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:26,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:26,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1605963889, now seen corresponding path program 1 times [2022-11-25 23:52:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:26,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593808494] [2022-11-25 23:52:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:27,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:27,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593808494] [2022-11-25 23:52:27,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593808494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:52:27,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:52:27,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:52:27,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410990115] [2022-11-25 23:52:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:27,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:27,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:27,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:27,301 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 16 states have internal predecessors, (22), 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 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:52:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:27,465 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2022-11-25 23:52:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:27,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-25 23:52:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:27,484 INFO L225 Difference]: With dead ends: 35 [2022-11-25 23:52:27,485 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 23:52:27,488 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 [2022-11-25 23:52:27,492 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 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 [2022-11-25 23:52:27,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:52:27,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 23:52:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 23:52:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 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) [2022-11-25 23:52:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-11-25 23:52:27,532 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2022-11-25 23:52:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:27,533 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-25 23:52:27,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:52:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-25 23:52:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:52:27,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:27,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:27,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:52:27,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:27,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:27,536 INFO L85 PathProgramCache]: Analyzing trace with hash -328058992, now seen corresponding path program 1 times [2022-11-25 23:52:27,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:27,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083074579] [2022-11-25 23:52:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:27,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:27,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083074579] [2022-11-25 23:52:27,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083074579] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:27,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82703969] [2022-11-25 23:52:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:27,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:27,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5223f9e3-5392-4dce-8a2f-6f487dee5a19/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:52:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:28,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:52:28,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:28,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:28,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82703969] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:52:28,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864871515] [2022-11-25 23:52:28,209 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:52:28,209 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:52:28,213 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:52:28,219 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:52:28,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:52:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,328 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:52:28,329 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 [2022-11-25 23:52:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,351 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 [2022-11-25 23:52:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,462 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:52:28,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:52:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,531 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:52:28,532 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 [2022-11-25 23:52:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,682 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 [2022-11-25 23:52:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,702 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 [2022-11-25 23:52:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,737 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 [2022-11-25 23:52:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:28,769 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 [2022-11-25 23:52:29,000 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-25 23:52:29,001 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 [2022-11-25 23:52:29,131 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-11-25 23:52:29,132 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 [2022-11-25 23:52:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:29,904 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:52:29,904 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 [2022-11-25 23:52:29,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,041 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:52:30,042 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 [2022-11-25 23:52:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,102 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 [2022-11-25 23:52:30,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,161 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 [2022-11-25 23:52:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,292 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-25 23:52:30,293 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 [2022-11-25 23:52:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 523 [2022-11-25 23:52:30,416 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 [2022-11-25 23:52:30,438 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 [2022-11-25 23:52:30,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:30,463 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 [2022-11-25 23:52:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,536 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-25 23:52:30,537 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 [2022-11-25 23:52:30,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 54 [2022-11-25 23:52:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:30,835 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 27 treesize of output 17 [2022-11-25 23:52:30,856 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 28 treesize of output 16 [2022-11-25 23:52:31,410 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 [2022-11-25 23:52:31,417 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 [2022-11-25 23:52:31,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:31,518 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:52:31,519 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 [2022-11-25 23:52:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:31,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:31,595 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-25 23:52:31,596 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 173 [2022-11-25 23:52:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,631 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 [2022-11-25 23:52:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,657 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 [2022-11-25 23:52:31,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,685 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 [2022-11-25 23:52:31,769 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-25 23:52:31,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 101 [2022-11-25 23:52:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,783 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 101 treesize of output 71 [2022-11-25 23:52:31,832 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-25 23:52:31,833 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 194 treesize of output 145 [2022-11-25 23:52:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:31,849 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 125 treesize of output 91 [2022-11-25 23:52:31,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-25 23:52:31,905 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 [2022-11-25 23:52:31,916 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 [2022-11-25 23:52:31,956 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 [2022-11-25 23:52:31,974 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 [2022-11-25 23:52:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:32,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:32,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:59,885 WARN L233 SmtUtils]: Spent 27.73s on a formula simplification. DAG size of input: 177 DAG size of output: 93 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:52:59,886 INFO L321 Elim1Store]: treesize reduction 1115, result has 17.7 percent of original size [2022-11-25 23:52:59,887 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 1599 treesize of output 2446 [2022-11-25 23:53:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:00,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:29,041 WARN L233 SmtUtils]: Spent 4.48m on a formula simplification. DAG size of input: 220 DAG size of output: 139 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:57:29,042 INFO L321 Elim1Store]: treesize reduction 655, result has 38.4 percent of original size [2022-11-25 23:57:29,044 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 36 case distinctions, treesize of input 4189 treesize of output 4036 [2022-11-25 23:57:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:30,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:30,810 INFO L217 Elim1Store]: Index analysis took 263 ms [2022-11-25 23:57:31,746 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 [2022-11-25 23:57:33,618 INFO L217 Elim1Store]: Index analysis took 201 ms [2022-11-25 23:57:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:34,655 INFO L321 Elim1Store]: treesize reduction 41, result has 37.9 percent of original size [2022-11-25 23:57:34,655 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 106 treesize of output 155 [2022-11-25 23:57:35,391 INFO L217 Elim1Store]: Index analysis took 430 ms [2022-11-25 23:57:38,040 INFO L321 Elim1Store]: treesize reduction 83, result has 30.8 percent of original size [2022-11-25 23:57:38,041 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 4 case distinctions, treesize of input 80 treesize of output 73 [2022-11-25 23:57:38,824 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 [2022-11-25 23:57:38,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:38,930 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 37 treesize of output 25 [2022-11-25 23:57:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:39,113 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 48 treesize of output 36 [2022-11-25 23:57:41,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:09,043 WARN L233 SmtUtils]: Spent 27.19s on a formula simplification. DAG size of input: 43 DAG size of output: 34 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:58:09,043 INFO L321 Elim1Store]: treesize reduction 56, result has 55.2 percent of original size [2022-11-25 23:58:09,045 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 3 case distinctions, treesize of input 11832 treesize of output 11785 [2022-11-25 23:58:09,777 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:58:09,872 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:58:09,921 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:58:10,359 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 [2022-11-25 23:58:10,926 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:10,927 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 141 treesize of output 137 [2022-11-25 23:58:11,039 WARN L207 Elim1Store]: Array PQE input equivalent to false