./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh --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 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 --- 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-2329fc7 [2022-12-14 14:28:32,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:28:32,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:28:32,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:28:32,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:28:32,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:28:32,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:28:32,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:28:32,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:28:32,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:28:32,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:28:32,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:28:32,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:28:32,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:28:32,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:28:32,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:28:32,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:28:32,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:28:32,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:28:32,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:28:32,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:28:32,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:28:32,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:28:32,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:28:32,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:28:32,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:28:32,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:28:32,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:28:32,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:28:32,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:28:32,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:28:32,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:28:32,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:28:32,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:28:32,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:28:32,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:28:32,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:28:32,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:28:32,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:28:32,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:28:32,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:28:32,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:28:32,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:28:32,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:28:32,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:28:32,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:28:32,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:28:32,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:28:32,417 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:28:32,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:28:32,418 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:28:32,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:28:32,418 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:28:32,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:28:32,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:28:32,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:28:32,419 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:28:32,420 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:28:32,420 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:28:32,420 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:28:32,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:28:32,421 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:28:32,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:28:32,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:28:32,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:28:32,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:28:32,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:28:32,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:28:32,422 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:28:32,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:28:32,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:28:32,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:28:32,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:28:32,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:28:32,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:28:32,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:28:32,424 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:28:32,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:28:32,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:28:32,425 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:28:32,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:28:32,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:28:32,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:28:32,425 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_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 [2022-12-14 14:28:32,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:28:32,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:28:32,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:28:32,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:28:32,640 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:28:32,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2022-12-14 14:28:35,279 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:28:35,518 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:28:35,519 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2022-12-14 14:28:35,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/data/4f9ec2cad/af9157e1177c4f2798e5fa9ba1f5ff9b/FLAGd7f63d43e [2022-12-14 14:28:35,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/data/4f9ec2cad/af9157e1177c4f2798e5fa9ba1f5ff9b [2022-12-14 14:28:35,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:28:35,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:28:35,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:28:35,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:28:35,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:28:35,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:35,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682609e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35, skipping insertion in model container [2022-12-14 14:28:35,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:35,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:28:35,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:28:35,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2022-12-14 14:28:35,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:28:35,907 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:28:35,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2022-12-14 14:28:35,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:28:35,999 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:28:35,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35 WrapperNode [2022-12-14 14:28:35,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:28:36,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:28:36,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:28:36,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:28:36,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,066 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-12-14 14:28:36,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:28:36,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:28:36,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:28:36,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:28:36,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:28:36,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:28:36,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:28:36,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:28:36,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (1/1) ... [2022-12-14 14:28:36,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:28:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:28:36,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:28:36,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:28:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:28:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:28:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:28:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:28:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:28:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:28:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:28:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:28:36,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:28:36,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:28:37,529 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:28:37,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:28:37,823 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-12-14 14:28:37,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:28:37 BoogieIcfgContainer [2022-12-14 14:28:37,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:28:37,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:28:37,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:28:37,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:28:37,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:28:35" (1/3) ... [2022-12-14 14:28:37,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713026cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:28:37, skipping insertion in model container [2022-12-14 14:28:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:28:35" (2/3) ... [2022-12-14 14:28:37,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713026cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:28:37, skipping insertion in model container [2022-12-14 14:28:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:28:37" (3/3) ... [2022-12-14 14:28:37,831 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-2.i [2022-12-14 14:28:37,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:28:37,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:28:37,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:28:37,885 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;@7752c23c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:28:37,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:28:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2022-12-14 14:28:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:28:37,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:28:37,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:28:37,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:28:37,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:28:37,899 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-12-14 14:28:37,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:28:37,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464165437] [2022-12-14 14:28:37,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:28:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:28:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:28:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:28:38,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:28:38,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464165437] [2022-12-14 14:28:38,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464165437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:28:38,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:28:38,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:28:38,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790568873] [2022-12-14 14:28:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:28:38,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:28:38,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:28:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:28:38,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:28:38,067 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2022-12-14 14:28:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:28:39,114 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-12-14 14:28:39,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:28:39,119 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 [2022-12-14 14:28:39,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:28:39,127 INFO L225 Difference]: With dead ends: 375 [2022-12-14 14:28:39,127 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 14:28:39,129 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 [2022-12-14 14:28:39,131 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:28:39,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 14:28:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 14:28:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 14:28:39,164 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) [2022-12-14 14:28:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 14:28:39,166 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 14:28:39,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:28:39,167 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 14:28:39,167 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) [2022-12-14 14:28:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 14:28:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 14:28:39,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:28:39,169 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] [2022-12-14 14:28:39,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:28:39,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:28:39,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:28:39,170 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-12-14 14:28:39,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:28:39,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264648722] [2022-12-14 14:28:39,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:28:39,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:28:39,394 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:28:39,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165852236] [2022-12-14 14:28:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:28:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:28:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:28:39,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:28:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:28:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:28:40,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:28:40,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:28:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:28:40,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:28:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:28:40,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:28:40,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264648722] [2022-12-14 14:28:40,416 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:28:40,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165852236] [2022-12-14 14:28:40,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165852236] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:28:40,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [637978729] [2022-12-14 14:28:40,433 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 14:28:40,433 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:28:40,436 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:28:40,440 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:28:40,440 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:28:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,539 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 [2022-12-14 14:28:40,572 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:28:40,573 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 [2022-12-14 14:28:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,588 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 [2022-12-14 14:28:40,595 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 [2022-12-14 14:28:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:28:40,607 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 [2022-12-14 14:28:40,903 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 [2022-12-14 14:28:40,918 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 [2022-12-14 14:28:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,959 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 [2022-12-14 14:28:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:40,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,000 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 [2022-12-14 14:28:41,067 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:28:41,067 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 [2022-12-14 14:28:41,100 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:28:41,101 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 [2022-12-14 14:28:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,116 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 [2022-12-14 14:28:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:28:41,128 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 [2022-12-14 14:28:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,142 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 [2022-12-14 14:28:41,419 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 [2022-12-14 14:28:41,433 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 [2022-12-14 14:28:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,468 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 [2022-12-14 14:28:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:28:41,497 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 [2022-12-14 14:28:41,526 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:28:55,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [637978729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:28:55,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:28:55,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 14:28:55,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025556733] [2022-12-14 14:28:55,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:28:55,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 14:28:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:28:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 14:28:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 14:28:55,871 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) [2022-12-14 14:28:58,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:29:00,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:29:02,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:29:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:29:04,612 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 14:29:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 14:29:04,612 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 [2022-12-14 14:29:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:29:04,614 INFO L225 Difference]: With dead ends: 265 [2022-12-14 14:29:04,614 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 14:29:04,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 14:29:04,616 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:29:04,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 14:29:04,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 14:29:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 14:29:04,627 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) [2022-12-14 14:29:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 14:29:04,628 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 14:29:04,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:29:04,628 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 14:29:04,628 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) [2022-12-14 14:29:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 14:29:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 14:29:04,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:29:04,629 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] [2022-12-14 14:29:04,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:29:04,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:29:04,831 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:29:04,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:29:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-12-14 14:29:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:29:04,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725318361] [2022-12-14 14:29:04,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:29:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:29:04,990 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:29:04,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896752803] [2022-12-14 14:29:04,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:29:04,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:29:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:29:04,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:29:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:29:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:29:05,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:29:05,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:29:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:29:05,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:29:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:29:05,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:29:05,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725318361] [2022-12-14 14:29:05,811 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:29:05,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896752803] [2022-12-14 14:29:05,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896752803] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:29:05,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [524584215] [2022-12-14 14:29:05,815 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 14:29:05,816 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:29:05,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:29:05,816 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:29:05,816 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:29:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:05,912 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 [2022-12-14 14:29:05,938 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:29:05,939 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 [2022-12-14 14:29:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:05,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:29:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:05,959 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 14:29:05,959 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 [2022-12-14 14:29:05,988 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:29:05,988 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 [2022-12-14 14:29:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,003 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 [2022-12-14 14:29:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,248 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 [2022-12-14 14:29:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,276 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 [2022-12-14 14:29:06,307 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 [2022-12-14 14:29:06,320 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 [2022-12-14 14:29:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,379 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 [2022-12-14 14:29:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,415 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 [2022-12-14 14:29:06,437 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 [2022-12-14 14:29:06,449 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 [2022-12-14 14:29:06,481 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 [2022-12-14 14:29:06,535 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 14:29:06,536 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 [2022-12-14 14:29:06,599 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:29:06,600 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 [2022-12-14 14:29:06,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,638 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 [2022-12-14 14:29:06,670 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 [2022-12-14 14:29:06,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:29:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,871 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 14:29:06,871 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 [2022-12-14 14:29:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,881 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 [2022-12-14 14:29:06,906 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:29:06,906 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 [2022-12-14 14:29:06,914 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 [2022-12-14 14:29:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:06,925 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 [2022-12-14 14:29:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,195 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 [2022-12-14 14:29:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,225 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 [2022-12-14 14:29:07,252 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 [2022-12-14 14:29:07,267 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 [2022-12-14 14:29:07,296 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 [2022-12-14 14:29:07,305 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 [2022-12-14 14:29:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,355 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 [2022-12-14 14:29:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,399 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 [2022-12-14 14:29:07,463 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 [2022-12-14 14:29:07,519 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:29:07,520 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 [2022-12-14 14:29:07,533 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 [2022-12-14 14:29:07,548 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 [2022-12-14 14:29:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:29:07,581 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 [2022-12-14 14:29:07,904 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 14:29:08,004 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:29:21,022 WARN L233 SmtUtils]: Spent 5.15s 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) [2022-12-14 14:29:31,668 WARN L233 SmtUtils]: Spent 6.28s 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) [2022-12-14 14:29:46,667 WARN L233 SmtUtils]: Spent 8.86s 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) [2022-12-14 14:29:59,198 WARN L233 SmtUtils]: Spent 6.36s 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) [2022-12-14 14:29:59,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [524584215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:29:59,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:29:59,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 14:29:59,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863988145] [2022-12-14 14:29:59,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:29:59,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 14:29:59,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:29:59,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 14:29:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 14:29:59,813 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) [2022-12-14 14:30:02,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:04,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:06,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:08,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:10,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:12,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:13,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:15,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:17,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:19,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:24,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:26,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:28,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 14:30:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:28,950 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 14:30:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:30:28,951 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 [2022-12-14 14:30:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:28,953 INFO L225 Difference]: With dead ends: 267 [2022-12-14 14:30:28,953 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 14:30:28,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 14:30:28,955 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:28,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 29.1s Time] [2022-12-14 14:30:28,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 14:30:28,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 14:30:28,973 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) [2022-12-14 14:30:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 14:30:28,974 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 14:30:28,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:28,974 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 14:30:28,974 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) [2022-12-14 14:30:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 14:30:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 14:30:28,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:28,976 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] [2022-12-14 14:30:28,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:30:29,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:29,178 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:29,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-12-14 14:30:29,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:29,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967292377] [2022-12-14 14:30:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:29,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:29,320 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:29,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680515171] [2022-12-14 14:30:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:29,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:29,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:29,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:29,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121ca47d-db1f-4f26-8a5c-36006f0c2665/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:30:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:29,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:30:29,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:30:30,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:30:30,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:30,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967292377] [2022-12-14 14:30:30,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:30,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680515171] [2022-12-14 14:30:30,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680515171] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:30,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [374921007] [2022-12-14 14:30:30,106 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 14:30:30,106 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:30,107 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:30,107 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:30,107 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,195 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 [2022-12-14 14:30:30,223 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:30:30,223 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 [2022-12-14 14:30:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,232 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 [2022-12-14 14:30:30,237 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 [2022-12-14 14:30:30,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:30:30,244 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 [2022-12-14 14:30:30,419 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 [2022-12-14 14:30:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,448 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 [2022-12-14 14:30:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,474 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 [2022-12-14 14:30:30,496 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 [2022-12-14 14:30:30,514 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 [2022-12-14 14:30:30,521 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 [2022-12-14 14:30:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,559 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 [2022-12-14 14:30:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,598 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 [2022-12-14 14:30:30,635 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 [2022-12-14 14:30:30,685 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:30:30,685 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 [2022-12-14 14:30:30,697 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 [2022-12-14 14:30:30,720 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 [2022-12-14 14:30:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,747 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 [2022-12-14 14:30:30,839 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 [2022-12-14 14:30:30,843 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 [2022-12-14 14:30:30,848 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 [2022-12-14 14:30:30,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:30:30,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:30:30,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 14:30:30,892 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 [2022-12-14 14:30:30,896 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 [2022-12-14 14:30:30,900 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 [2022-12-14 14:30:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:30,980 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 [2022-12-14 14:30:30,999 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 [2022-12-14 14:30:31,018 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 [2022-12-14 14:30:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:30:31,182 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 [2022-12-14 14:30:31,193 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 [2022-12-14 14:30:31,203 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 [2022-12-14 14:30:32,532 INFO L217 Elim1Store]: Index analysis took 964 ms [2022-12-14 14:30:35,219 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 14:30:35,220 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 [2022-12-14 14:30:36,101 INFO L217 Elim1Store]: Index analysis took 800 ms [2022-12-14 14:30:40,283 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 14:30:40,283 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 [2022-12-14 14:30:52,398 WARN L233 SmtUtils]: Spent 12.06s 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) [2022-12-14 14:30:52,399 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 14:30:52,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 14:31:09,849 WARN L233 SmtUtils]: Spent 17.34s 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) [2022-12-14 14:31:09,849 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 14:31:09,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-12-14 14:31:10,385 INFO L217 Elim1Store]: Index analysis took 406 ms [2022-12-14 14:31:26,018 WARN L233 SmtUtils]: Spent 15.23s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:31:26,019 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 14:31:26,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 14:31:27,517 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 14:31:27,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 14:31:27,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:31:28,032 INFO L217 Elim1Store]: Index analysis took 237 ms [2022-12-14 14:31:28,804 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:31:28,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 14:31:33,407 INFO L217 Elim1Store]: Index analysis took 482 ms