./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/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_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:50:01,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:50:01,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:50:01,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:50:01,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:50:01,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:50:01,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:50:01,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:50:01,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:50:01,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:50:01,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:50:01,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:50:01,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:50:01,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:50:01,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:50:01,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:50:01,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:50:01,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:50:01,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:50:01,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:50:01,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:50:01,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:50:01,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:50:01,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:50:01,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:50:01,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:50:01,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:50:01,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:50:01,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:50:01,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:50:01,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:50:01,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:50:01,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:50:01,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:50:01,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:50:01,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:50:01,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:50:01,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:50:01,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:50:01,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:50:01,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:50:01,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:50:01,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:50:01,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:50:01,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:50:01,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:50:01,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:50:01,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:50:01,513 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:50:01,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:50:01,514 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:50:01,514 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:50:01,514 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:50:01,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:50:01,514 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:50:01,515 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:50:01,515 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:50:01,515 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:50:01,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:50:01,515 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:50:01,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:50:01,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:50:01,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:50:01,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:50:01,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:50:01,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:50:01,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:50:01,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:50:01,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:50:01,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:50:01,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:50:01,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:50:01,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:50:01,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:50:01,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:50:01,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:50:01,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:50:01,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:50:01,520 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:50:01,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:50:01,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:50:01,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:50:01,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:50:01,521 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 [2021-11-25 19:50:01,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:50:01,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:50:01,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:50:01,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:50:01,789 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:50:01,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2021-11-25 19:50:01,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/data/ad48aa048/3e837b374eb04e6186839b5091ba5bf4/FLAG86e75cf16 [2021-11-25 19:50:02,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:50:02,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2021-11-25 19:50:02,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/data/ad48aa048/3e837b374eb04e6186839b5091ba5bf4/FLAG86e75cf16 [2021-11-25 19:50:02,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/data/ad48aa048/3e837b374eb04e6186839b5091ba5bf4 [2021-11-25 19:50:02,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:50:02,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:50:02,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:50:02,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:50:02,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:50:02,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:02" (1/1) ... [2021-11-25 19:50:02,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d52cd7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:02, skipping insertion in model container [2021-11-25 19:50:02,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:02" (1/1) ... [2021-11-25 19:50:02,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:50:02,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:50:03,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2021-11-25 19:50:03,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:50:03,525 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:50:03,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2021-11-25 19:50:03,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:50:03,734 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:50:03,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03 WrapperNode [2021-11-25 19:50:03,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:50:03,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:50:03,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:50:03,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:50:03,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,940 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 19:50:03,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:50:03,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:50:03,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:50:03,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:50:03,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:50:04,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:50:04,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:50:04,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:50:04,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:50:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:04,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:50:04,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:50:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:50:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:50:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:50:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:50:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:50:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:50:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:50:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:50:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:50:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:50:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:50:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:50:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:50:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:50:04,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:50:04,424 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:50:04,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:50:05,807 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:50:06,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:50:06,199 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 19:50:06,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:50:06 BoogieIcfgContainer [2021-11-25 19:50:06,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:50:06,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:50:06,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:50:06,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:50:06,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:50:02" (1/3) ... [2021-11-25 19:50:06,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2f0c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:50:06, skipping insertion in model container [2021-11-25 19:50:06,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (2/3) ... [2021-11-25 19:50:06,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2f0c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:50:06, skipping insertion in model container [2021-11-25 19:50:06,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:50:06" (3/3) ... [2021-11-25 19:50:06,214 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-2.i [2021-11-25 19:50:06,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:50:06,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:50:06,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:50:06,303 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:50:06,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:50:06,325 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) [2021-11-25 19:50:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:50:06,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:06,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:06,333 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 19:50:06,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:06,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471577509] [2021-11-25 19:50:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:06,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:50:06,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:06,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471577509] [2021-11-25 19:50:06,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471577509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:06,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:06,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:50:06,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117049419] [2021-11-25 19:50:06,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:06,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:50:06,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:06,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:50:06,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:50:06,546 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) [2021-11-25 19:50:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:08,435 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 19:50:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:50:08,440 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 [2021-11-25 19:50:08,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:08,453 INFO L225 Difference]: With dead ends: 375 [2021-11-25 19:50:08,453 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 19:50:08,457 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:50:08,461 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:08,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:50:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 19:50:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 19:50:08,520 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) [2021-11-25 19:50:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 19:50:08,524 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 19:50:08,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:08,525 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 19:50:08,525 INFO L471 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) [2021-11-25 19:50:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 19:50:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 19:50:08,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:08,531 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:50:08,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:50:08,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:08,533 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 19:50:08,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:08,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935284769] [2021-11-25 19:50:08,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:08,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:08,783 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:50:08,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994604035] [2021-11-25 19:50:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:08,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:08,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:50:08,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:50:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:09,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:50:09,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:50:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:50:10,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:50:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:50:10,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:10,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935284769] [2021-11-25 19:50:10,299 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:50:10,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994604035] [2021-11-25 19:50:10,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994604035] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:50:10,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [992021612] [2021-11-25 19:50:10,328 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 19:50:10,328 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:50:10,333 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:50:10,341 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:50:10,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:50:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:50:10,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:10,580 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:50:10,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:10,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:10,653 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:50:10,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:10,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:10,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 54 [2021-11-25 19:50:11,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:50:11,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,191 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:50:11,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,238 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:50:11,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:50:11,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 54 [2021-11-25 19:50:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:11,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:50:11,747 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:50:12,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [992021612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:12,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:50:12,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 19:50:12,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062465738] [2021-11-25 19:50:12,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:12,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:50:12,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:12,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:50:12,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:50:12,762 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) [2021-11-25 19:50:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:16,029 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 19:50:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:50:16,029 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 [2021-11-25 19:50:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:16,031 INFO L225 Difference]: With dead ends: 265 [2021-11-25 19:50:16,031 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 19:50:16,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:50:16,034 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:16,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:50:16,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 19:50:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 19:50:16,051 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) [2021-11-25 19:50:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 19:50:16,053 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 19:50:16,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:16,053 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 19:50:16,054 INFO L471 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) [2021-11-25 19:50:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 19:50:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 19:50:16,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:16,057 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:50:16,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:50:16,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:16,270 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:16,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 19:50:16,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:16,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624306867] [2021-11-25 19:50:16,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:16,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:16,412 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:50:16,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422051810] [2021-11-25 19:50:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:16,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:16,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:50:16,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:50:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:17,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:50:17,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:50:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:50:17,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:50:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:50:17,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:17,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624306867] [2021-11-25 19:50:17,724 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:50:17,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422051810] [2021-11-25 19:50:17,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422051810] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:50:17,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [855810601] [2021-11-25 19:50:17,733 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 19:50:17,733 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:50:17,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:50:17,734 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:50:17,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:50:17,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:17,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:17,882 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:50:17,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:17,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:17,935 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:50:17,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:17,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:50:17,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 54 [2021-11-25 19:50:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:50:18,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:50:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:50:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 19:50:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:50:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:50:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,743 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:50:18,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,796 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:50:18,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:18,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 54 [2021-11-25 19:50:19,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:50:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:50:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:50:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:19,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,419 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:50:19,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:19,642 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 19:50:19,711 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:50:21,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [855810601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:21,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:50:21,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 19:50:21,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448657125] [2021-11-25 19:50:21,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:21,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:50:21,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:21,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:50:21,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:50:21,668 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) [2021-11-25 19:50:25,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:25,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:25,227 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 19:50:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:50:25,227 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 [2021-11-25 19:50:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:25,229 INFO L225 Difference]: With dead ends: 267 [2021-11-25 19:50:25,229 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 19:50:25,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:50:25,231 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:25,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 3.5s Time] [2021-11-25 19:50:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 19:50:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 19:50:25,248 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) [2021-11-25 19:50:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 19:50:25,249 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 19:50:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:25,250 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 19:50:25,250 INFO L471 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) [2021-11-25 19:50:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 19:50:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:50:25,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:25,253 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:50:25,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:50:25,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:25,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:25,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:25,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 19:50:25,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:25,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500453615] [2021-11-25 19:50:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:25,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:25,583 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:50:25,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919745202] [2021-11-25 19:50:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:25,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:25,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:25,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:50:25,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fa9100-7527-4c3d-bebf-af33b40cad64/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:50:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:26,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:50:26,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:50:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:50:26,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:50:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:50:26,867 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500453615] [2021-11-25 19:50:26,867 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:50:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919745202] [2021-11-25 19:50:26,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919745202] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:50:26,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [43454819] [2021-11-25 19:50:26,876 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 19:50:26,876 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:50:26,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:50:26,877 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:50:26,877 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:50:26,998 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:50:26,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:50:27,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 54 [2021-11-25 19:50:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:50:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:50:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,609 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:50:27,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:50:27,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:50:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:50:27,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:50:27,792 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:50:27,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 19:50:27,821 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:50:27,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 19:50:27,848 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:50:27,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:50:27,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:50:27,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:50:27,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:50:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:50:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:27,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:50:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:28,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:50:35,779 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:50:35,780 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:50:35,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:50:35,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:43,296 WARN L227 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:50:43,297 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:50:43,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:50:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:43,964 INFO L244 Elim1Store]: Index analysis took 457 ms [2021-11-25 19:50:54,807 WARN L227 SmtUtils]: Spent 10.60s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:50:54,808 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:50:54,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:50:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 19:50:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:55,559 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 19:50:55,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 49 [2021-11-25 19:50:55,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:56,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:56,235 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:50:56,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:50:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:56,723 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:50:56,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:50:56,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:56,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 19:50:56,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:56,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:56,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:50:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:50:57,351 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 19:50:57,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44