./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS --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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- 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-8393723 [2022-11-19 07:19:57,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:19:57,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:19:57,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:19:57,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:19:57,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:19:57,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:19:57,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:19:57,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:19:57,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:19:57,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:19:57,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:19:57,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:19:57,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:19:57,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:19:57,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:19:57,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:19:57,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:19:57,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:19:57,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:19:57,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:19:57,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:19:57,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:19:57,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:19:57,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:19:57,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:19:57,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:19:57,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:19:57,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:19:57,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:19:57,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:19:57,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:19:57,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:19:57,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:19:57,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:19:57,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:19:57,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:19:57,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:19:57,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:19:57,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:19:57,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:19:57,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:19:57,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:19:57,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:19:57,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:19:57,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:19:57,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:19:57,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:19:57,383 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:19:57,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:19:57,384 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:19:57,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:19:57,384 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:19:57,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:19:57,385 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:19:57,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:19:57,386 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:19:57,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:19:57,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:19:57,386 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:19:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:19:57,388 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:19:57,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:19:57,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:19:57,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:19:57,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:19:57,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:19:57,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:19:57,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:19:57,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:19:57,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:19:57,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:19:57,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:19:57,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:19:57,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:19:57,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:19:57,392 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:19:57,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:19:57,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:19:57,392 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:19:57,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:19:57,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:19:57,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:19:57,393 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_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2022-11-19 07:19:57,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:19:57,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:19:57,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:19:57,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:19:57,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:19:57,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2022-11-19 07:19:57,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/data/83a43eea1/7f6a35dc73d44b7589c8f1e425cf143d/FLAG116efe159 [2022-11-19 07:19:58,661 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:19:58,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2022-11-19 07:19:58,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/data/83a43eea1/7f6a35dc73d44b7589c8f1e425cf143d/FLAG116efe159 [2022-11-19 07:19:58,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/data/83a43eea1/7f6a35dc73d44b7589c8f1e425cf143d [2022-11-19 07:19:58,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:19:58,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:19:58,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:19:58,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:19:58,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:19:58,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:58" (1/1) ... [2022-11-19 07:19:58,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fcda9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:58, skipping insertion in model container [2022-11-19 07:19:58,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:58" (1/1) ... [2022-11-19 07:19:58,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:19:59,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:19:59,548 WARN L234 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_339757e8-acba-42a9-8007-0f2797fff1b0/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2022-11-19 07:19:59,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:19:59,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:19:59,800 WARN L234 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_339757e8-acba-42a9-8007-0f2797fff1b0/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2022-11-19 07:19:59,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:19:59,954 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:19:59,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59 WrapperNode [2022-11-19 07:19:59,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:19:59,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:19:59,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:19:59,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:19:59,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,157 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-11-19 07:20:00,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:20:00,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:20:00,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:20:00,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:20:00,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:20:00,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:20:00,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:20:00,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:20:00,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (1/1) ... [2022-11-19 07:20:00,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:20:00,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:20:00,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:20:00,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:20:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:20:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:20:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:20:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:20:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:20:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:20:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:20:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:20:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:20:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:20:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:20:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:20:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:20:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:20:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:20:00,766 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:20:00,768 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:20:02,835 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:20:03,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:20:03,505 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-11-19 07:20:03,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:03 BoogieIcfgContainer [2022-11-19 07:20:03,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:20:03,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:20:03,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:20:03,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:20:03,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:19:58" (1/3) ... [2022-11-19 07:20:03,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27aed1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:03, skipping insertion in model container [2022-11-19 07:20:03,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:59" (2/3) ... [2022-11-19 07:20:03,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27aed1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:03, skipping insertion in model container [2022-11-19 07:20:03,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:03" (3/3) ... [2022-11-19 07:20:03,524 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-3.i [2022-11-19 07:20:03,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:20:03,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:20:03,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:20:03,606 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;@7818642, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:20:03,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:20:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:20:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:20:03,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:03,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:20:03,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:20:03,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:03,627 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-11-19 07:20:03,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:03,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158806244] [2022-11-19 07:20:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:20:03,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:03,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158806244] [2022-11-19 07:20:03,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158806244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:03,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:03,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:20:03,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701354888] [2022-11-19 07:20:03,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:03,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:20:03,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:03,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:20:03,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:20:03,956 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:20:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:06,954 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-11-19 07:20:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:20:06,967 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:20:06,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:06,979 INFO L225 Difference]: With dead ends: 399 [2022-11-19 07:20:06,980 INFO L226 Difference]: Without dead ends: 220 [2022-11-19 07:20:06,984 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 [2022-11-19 07:20:06,987 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:06,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-19 07:20:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-19 07:20:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-19 07:20:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:20:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-19 07:20:07,045 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-19 07:20:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:07,046 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-19 07:20:07,046 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:20:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-19 07:20:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:20:07,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:07,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1] [2022-11-19 07:20:07,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:20:07,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:20:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-11-19 07:20:07,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:07,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814962716] [2022-11-19 07:20:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:07,429 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:20:07,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690109909] [2022-11-19 07:20:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:07,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:20:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:20:07,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:20:07,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:20:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:08,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:20:08,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:20:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:20:09,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:20:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:20:09,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:09,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814962716] [2022-11-19 07:20:09,205 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:20:09,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690109909] [2022-11-19 07:20:09,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690109909] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:20:09,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [327091566] [2022-11-19 07:20:09,228 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-19 07:20:09,228 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:20:09,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:20:09,237 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:20:09,238 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:20:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:09,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:09,463 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:20:09,465 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:20:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:09,492 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 [2022-11-19 07:20:09,536 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:20:09,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:20:09,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:09,563 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 [2022-11-19 07:20:09,612 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:20:09,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:20:10,102 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 29 treesize of output 19 [2022-11-19 07:20:10,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:20:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:20:10,303 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 29 treesize of output 19 [2022-11-19 07:20:10,367 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:20:10,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:20:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,385 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 [2022-11-19 07:20:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,413 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:20:10,414 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:20:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,434 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 [2022-11-19 07:20:10,481 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:20:10,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:20:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:10,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:20:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:11,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:20:11,138 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 29 treesize of output 19 [2022-11-19 07:20:11,158 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 29 treesize of output 19 [2022-11-19 07:20:11,186 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:20:19,499 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:20:27,017 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:20:27,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [327091566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:27,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:20:27,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 07:20:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122972284] [2022-11-19 07:20:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:27,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:20:27,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:20:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:20:27,027 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:20:30,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:20:32,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:20:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:33,769 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-19 07:20:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:20:33,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 07:20:33,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:33,772 INFO L225 Difference]: With dead ends: 262 [2022-11-19 07:20:33,772 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 07:20:33,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:20:33,775 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 8 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 73 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:33,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 465 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 73 Unchecked, 6.7s Time] [2022-11-19 07:20:33,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 07:20:33,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 07:20:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:20:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-19 07:20:33,801 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-19 07:20:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:33,802 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-19 07:20:33,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:20:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-19 07:20:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:20:33,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:33,805 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:20:33,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:20:34,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:20:34,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:20:34,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-11-19 07:20:34,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:34,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252865946] [2022-11-19 07:20:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:34,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:34,198 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:20:34,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209101560] [2022-11-19 07:20:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:34,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:20:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:20:34,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:20:34,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:20:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:35,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:20:35,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:20:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:20:35,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:20:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:20:35,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:35,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252865946] [2022-11-19 07:20:35,830 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:20:35,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209101560] [2022-11-19 07:20:35,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209101560] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:20:35,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1493795652] [2022-11-19 07:20:35,835 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 07:20:35,835 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:20:35,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:20:35,836 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:20:35,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:20:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:35,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:35,995 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:20:35,996 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:20:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,026 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 [2022-11-19 07:20:36,072 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:20:36,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:20:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,095 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 [2022-11-19 07:20:36,138 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:20:36,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:20:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:20:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:20:36,625 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 29 treesize of output 19 [2022-11-19 07:20:36,649 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 29 treesize of output 19 [2022-11-19 07:20:36,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:20:36,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:36,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:20:36,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:20:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:36,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:36,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:20:37,046 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:20:37,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:20:37,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 07:20:37,436 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:20:37,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:20:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,456 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 22 treesize of output 7 [2022-11-19 07:20:37,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,474 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 22 treesize of output 7 [2022-11-19 07:20:37,481 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 [2022-11-19 07:20:37,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:37,494 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 33 treesize of output 39 [2022-11-19 07:20:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:20:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:37,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:20:38,022 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 29 treesize of output 19 [2022-11-19 07:20:38,047 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 29 treesize of output 19 [2022-11-19 07:20:38,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:38,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:38,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:20:38,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:20:38,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:20:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:20:38,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:20:38,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:20:38,445 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:20:38,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:20:38,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 07:20:38,816 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 07:20:38,925 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:20:44,896 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:20:53,937 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:21:04,934 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:21:19,946 WARN L233 SmtUtils]: Spent 8.85s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:21:32,195 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:21:32,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1493795652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:32,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:21:32,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 07:21:32,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131329325] [2022-11-19 07:21:32,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:32,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:21:32,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:32,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:21:32,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:21:32,786 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:21:34,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:21:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:34,531 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-19 07:21:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:21:34,538 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-19 07:21:34,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:34,540 INFO L225 Difference]: With dead ends: 267 [2022-11-19 07:21:34,540 INFO L226 Difference]: Without dead ends: 142 [2022-11-19 07:21:34,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:21:34,542 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 6 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 422 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:34,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 917 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 422 Unchecked, 1.7s Time] [2022-11-19 07:21:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-19 07:21:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-19 07:21:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 07:21:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-19 07:21:34,580 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-19 07:21:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:34,581 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-19 07:21:34,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:21:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-19 07:21:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:21:34,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:34,583 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:21:34,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:21:34,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:21:34,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:21:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-11-19 07:21:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:34,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306124750] [2022-11-19 07:21:34,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:34,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:34,962 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:21:34,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214053804] [2022-11-19 07:21:34,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:34,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:21:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:21:34,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:21:34,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339757e8-acba-42a9-8007-0f2797fff1b0/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:21:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:36,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:21:36,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:21:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:21:36,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:21:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:21:36,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:36,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306124750] [2022-11-19 07:21:36,507 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:21:36,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214053804] [2022-11-19 07:21:36,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214053804] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:21:36,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1909487904] [2022-11-19 07:21:36,511 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 07:21:36,511 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:21:36,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:21:36,512 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:21:36,512 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:21:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:36,587 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 [2022-11-19 07:21:36,625 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:21:36,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:21:36,677 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:21:36,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:21:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:36,693 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 22 treesize of output 7 [2022-11-19 07:21:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:36,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:21:36,704 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 33 treesize of output 39 [2022-11-19 07:21:36,963 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 29 treesize of output 19 [2022-11-19 07:21:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:21:37,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:21:37,128 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 29 treesize of output 19 [2022-11-19 07:21:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:21:37,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:21:37,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:21:37,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:21:37,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:21:37,429 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:21:37,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:21:37,518 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:21:37,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:21:37,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:37,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:21:37,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:21:37,761 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:21:37,765 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:21:37,770 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-19 07:21:37,827 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 07:21:37,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-19 07:21:37,859 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:21:37,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-19 07:21:37,889 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:21:37,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-19 07:21:37,932 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 07:21:37,938 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-19 07:21:37,944 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-19 07:21:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:21:38,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:21:38,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:21:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:21:38,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:21:38,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:21:38,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:21:41,873 INFO L217 Elim1Store]: Index analysis took 3295 ms [2022-11-19 07:21:45,581 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 07:21:45,582 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 10752670 treesize of output 10752673 [2022-11-19 07:21:46,777 INFO L217 Elim1Store]: Index analysis took 1035 ms [2022-11-19 07:21:50,229 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 07:21:50,231 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 10752675 treesize of output 10752677 [2022-11-19 07:21:56,581 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:21:56,582 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:21:56,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-19 07:22:27,502 WARN L233 SmtUtils]: Spent 30.78s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:22:27,503 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:22:27,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-19 07:22:28,513 INFO L217 Elim1Store]: Index analysis took 713 ms [2022-11-19 07:22:53,820 WARN L233 SmtUtils]: Spent 24.53s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:22:53,821 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-19 07:22:53,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-19 07:22:54,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:22:55,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:22:55,187 INFO L217 Elim1Store]: Index analysis took 549 ms [2022-11-19 07:22:55,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-11-19 07:22:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:22:55,382 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 40 treesize of output 30 [2022-11-19 07:22:55,440 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:22:56,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:22:56,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-11-19 07:22:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:22:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:22:56,367 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-19 07:22:56,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-11-19 07:22:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:22:57,530 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 19 treesize of output 13 [2022-11-19 07:26:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:26:18,445 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 19 treesize of output 13