./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/image_filter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/image_filter.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P --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 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:54:05,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:54:05,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:54:05,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:54:05,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:54:05,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:54:05,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:54:05,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:54:05,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:54:05,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:54:05,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:54:05,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:54:05,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:54:05,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:54:05,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:54:05,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:54:05,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:54:05,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:54:05,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:54:05,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:54:05,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:54:05,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:54:06,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:54:06,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:54:06,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:54:06,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:54:06,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:54:06,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:54:06,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:54:06,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:54:06,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:54:06,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:54:06,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:54:06,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:54:06,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:54:06,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:54:06,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:54:06,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:54:06,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:54:06,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:54:06,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:54:06,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:54:06,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:54:06,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:54:06,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:54:06,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:54:06,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:54:06,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:54:06,052 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:54:06,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:54:06,052 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:54:06,052 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:54:06,053 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:54:06,053 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:54:06,053 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:54:06,053 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:54:06,054 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:54:06,054 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:54:06,054 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:54:06,055 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:54:06,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:54:06,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:54:06,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:54:06,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:54:06,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:54:06,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:54:06,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:54:06,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:54:06,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:54:06,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:54:06,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:54:06,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:54:06,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:54:06,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:54:06,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:54:06,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:54:06,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:54:06,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:54:06,060 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:54:06,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:54:06,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:54:06,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:54:06,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:54:06,061 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e [2021-11-20 23:54:06,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:54:06,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:54:06,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:54:06,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:54:06,363 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:54:06,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/image_filter.c [2021-11-20 23:54:06,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/data/69187f0c8/684ce9cc22e94096ab01dd4483fed37e/FLAGe636ee103 [2021-11-20 23:54:07,160 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:54:07,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/sv-benchmarks/c/float-benchs/image_filter.c [2021-11-20 23:54:07,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/data/69187f0c8/684ce9cc22e94096ab01dd4483fed37e/FLAGe636ee103 [2021-11-20 23:54:07,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/data/69187f0c8/684ce9cc22e94096ab01dd4483fed37e [2021-11-20 23:54:07,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:54:07,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:54:07,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:54:07,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:54:07,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:54:07,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:07" (1/1) ... [2021-11-20 23:54:07,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3d6546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:07, skipping insertion in model container [2021-11-20 23:54:07,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:07" (1/1) ... [2021-11-20 23:54:07,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:54:07,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:54:07,751 WARN L230 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_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/sv-benchmarks/c/float-benchs/image_filter.c[564,577] [2021-11-20 23:54:07,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:54:07,878 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:54:07,902 WARN L230 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_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/sv-benchmarks/c/float-benchs/image_filter.c[564,577] [2021-11-20 23:54:08,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:54:08,041 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:54:08,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08 WrapperNode [2021-11-20 23:54:08,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:54:08,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:54:08,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:54:08,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:54:08,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,176 INFO L137 Inliner]: procedures = 21, calls = 695, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 566 [2021-11-20 23:54:08,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:54:08,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:54:08,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:54:08,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:54:08,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:54:08,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:54:08,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:54:08,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:54:08,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (1/1) ... [2021-11-20 23:54:08,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:54:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:54:08,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:54:08,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:54:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:54:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure sobel [2021-11-20 23:54:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sobel [2021-11-20 23:54:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure blur [2021-11-20 23:54:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure blur [2021-11-20 23:54:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:54:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:54:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:54:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:54:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:54:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure filter [2021-11-20 23:54:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filter [2021-11-20 23:54:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:54:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:54:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:54:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:54:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:54:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure sobelitereen [2021-11-20 23:54:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sobelitereen [2021-11-20 23:54:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:54:08,781 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:54:08,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:54:13,431 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:54:13,557 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:54:13,557 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:54:13,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:13 BoogieIcfgContainer [2021-11-20 23:54:13,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:54:13,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:54:13,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:54:13,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:54:13,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:54:07" (1/3) ... [2021-11-20 23:54:13,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b4f128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:54:13, skipping insertion in model container [2021-11-20 23:54:13,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:08" (2/3) ... [2021-11-20 23:54:13,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b4f128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:54:13, skipping insertion in model container [2021-11-20 23:54:13,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:13" (3/3) ... [2021-11-20 23:54:13,576 INFO L111 eAbstractionObserver]: Analyzing ICFG image_filter.c [2021-11-20 23:54:13,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:54:13,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:54:13,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:54:13,659 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:54:13,659 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:54:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 82 states have (on average 1.0365853658536586) internal successors, (85), 83 states have internal predecessors, (85), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-11-20 23:54:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1294 [2021-11-20 23:54:13,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:13,793 INFO L514 BasicCegarLoop]: trace histogram [266, 40, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:54:13,794 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:54:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:13,803 INFO L85 PathProgramCache]: Analyzing trace with hash 415533016, now seen corresponding path program 1 times [2021-11-20 23:54:13,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:13,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545483716] [2021-11-20 23:54:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:13,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 75744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75744 trivial. 0 not checked. [2021-11-20 23:54:16,855 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:16,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545483716] [2021-11-20 23:54:16,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545483716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:16,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:16,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:54:16,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348885479] [2021-11-20 23:54:16,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:16,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:54:16,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:16,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:54:16,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:54:16,923 INFO L87 Difference]: Start difference. First operand has 162 states, 82 states have (on average 1.0365853658536586) internal successors, (85), 83 states have internal predecessors, (85), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-20 23:54:19,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:21,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:22,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:22,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:22,223 INFO L93 Difference]: Finished difference Result 216 states and 325 transitions. [2021-11-20 23:54:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:54:22,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 1293 [2021-11-20 23:54:22,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:22,253 INFO L225 Difference]: With dead ends: 216 [2021-11-20 23:54:22,253 INFO L226 Difference]: Without dead ends: 169 [2021-11-20 23:54:22,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:54:22,260 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 4 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:22,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 399 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-20 23:54:22,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-20 23:54:22,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2021-11-20 23:54:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 82 states have (on average 1.024390243902439) internal successors, (84), 83 states have internal predecessors, (84), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2021-11-20 23:54:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 227 transitions. [2021-11-20 23:54:22,333 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 227 transitions. Word has length 1293 [2021-11-20 23:54:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:54:22,340 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 227 transitions. [2021-11-20 23:54:22,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-20 23:54:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2021-11-20 23:54:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1871 [2021-11-20 23:54:22,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:22,476 INFO L514 BasicCegarLoop]: trace histogram [380, 60, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:54:22,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:54:22,477 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:54:22,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:22,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1030693348, now seen corresponding path program 1 times [2021-11-20 23:54:22,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:22,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265099382] [2021-11-20 23:54:22,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 155329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 155328 trivial. 0 not checked. [2021-11-20 23:54:25,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:25,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265099382] [2021-11-20 23:54:25,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265099382] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:54:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181619030] [2021-11-20 23:54:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:25,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:54:25,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:54:25,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:54:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e27a49c-a6ea-4c0a-b3fe-cb5b9200d20a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:54:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:28,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 14728 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:54:29,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:54:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 155329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 155328 trivial. 0 not checked. [2021-11-20 23:54:32,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:54:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 155329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 155328 trivial. 0 not checked. [2021-11-20 23:54:38,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181619030] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:54:38,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1866479433] [2021-11-20 23:54:38,032 INFO L159 IcfgInterpreter]: Started Sifa with 122 locations of interest [2021-11-20 23:54:38,032 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:54:38,038 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:54:38,043 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:54:38,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:54:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:54:40,826 INFO L244 Elim1Store]: Index analysis took 821 ms [2021-11-20 23:56:21,671 WARN L227 SmtUtils]: Spent 1.68m on a formula simplification. DAG size of input: 4097 DAG size of output: 275 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:56:21,682 INFO L354 Elim1Store]: treesize reduction 45620, result has 1.1 percent of original size [2021-11-20 23:56:21,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 82 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 855 case distinctions, treesize of input 3140 treesize of output 3453 [2021-11-20 23:57:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:33,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:57:34,379 INFO L244 Elim1Store]: Index analysis took 487 ms [2021-11-20 23:57:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 825 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 215 [2021-11-20 23:59:53,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:59:53,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:59:55,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:59:55,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:59:57,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:59:57,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:00,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:01,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:04,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:04,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:09,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:10,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:13,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:13,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:15,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:15,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:18,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:18,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:21,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:22,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:25,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:26,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:30,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:30,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:32,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:32,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:35,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:35,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:37,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:38,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:41,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:42,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:45,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:45,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:49,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:49,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:00:51,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:00:51,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1