./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --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_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/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_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/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_d4cbb8cb-b108-4f64-a085-fd441d424036/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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:08:33,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:08:33,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:08:33,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:08:33,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:08:33,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:08:33,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:08:33,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:08:33,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:08:33,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:08:33,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:08:33,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:08:33,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:08:33,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:08:33,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:08:33,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:08:33,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:08:33,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:08:33,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:08:33,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:08:33,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:08:33,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:08:33,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:08:33,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:08:33,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:08:33,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:08:33,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:08:33,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:08:33,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:08:33,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:08:33,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:08:33,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:08:33,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:08:33,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:08:33,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:08:33,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:08:33,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:08:33,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:08:33,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:08:33,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:08:33,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:08:33,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:08:33,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:08:33,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:08:33,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:08:33,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:08:33,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:08:33,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:08:33,554 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:08:33,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:08:33,555 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:08:33,555 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:08:33,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:08:33,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:08:33,556 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:08:33,556 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:08:33,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:08:33,557 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:08:33,557 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:08:33,557 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:08:33,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:08:33,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:08:33,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:08:33,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:08:33,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:08:33,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:08:33,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:08:33,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:08:33,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:08:33,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:08:33,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:08:33,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:08:33,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:08:33,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:08:33,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:08:33,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:08:33,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:08:33,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:08:33,563 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:08:33,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:08:33,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:08:33,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:08:33,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:08:33,564 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_d4cbb8cb-b108-4f64-a085-fd441d424036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2021-11-25 18:08:33,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:08:33,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:08:33,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:08:33,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:08:33,912 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:08:33,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-25 18:08:33,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/data/cf6fd5600/e1fba817888147b989042e8809c9a2c0/FLAGdeea8fe4b [2021-11-25 18:08:34,585 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:08:34,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-25 18:08:34,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/data/cf6fd5600/e1fba817888147b989042e8809c9a2c0/FLAGdeea8fe4b [2021-11-25 18:08:34,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/data/cf6fd5600/e1fba817888147b989042e8809c9a2c0 [2021-11-25 18:08:34,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:08:34,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:08:34,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:08:34,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:08:34,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:08:34,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:34" (1/1) ... [2021-11-25 18:08:34,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2789af4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:34, skipping insertion in model container [2021-11-25 18:08:34,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:34" (1/1) ... [2021-11-25 18:08:34,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:08:34,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:08:35,159 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_d4cbb8cb-b108-4f64-a085-fd441d424036/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-25 18:08:35,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:08:35,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:08:35,233 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_d4cbb8cb-b108-4f64-a085-fd441d424036/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-25 18:08:35,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:08:35,282 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:08:35,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35 WrapperNode [2021-11-25 18:08:35,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:08:35,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:08:35,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:08:35,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:08:35,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,345 INFO L137 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2021-11-25 18:08:35,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:08:35,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:08:35,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:08:35,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:08:35,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:08:35,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:08:35,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:08:35,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:08:35,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (1/1) ... [2021-11-25 18:08:35,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:08:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:35,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:08:35,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:08:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-25 18:08:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-25 18:08:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:08:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:08:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:08:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:08:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:08:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:08:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:08:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:08:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:08:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:08:35,604 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:08:35,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:08:35,824 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:08:35,872 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:08:35,872 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 18:08:35,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:35 BoogieIcfgContainer [2021-11-25 18:08:35,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:08:35,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:08:35,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:08:35,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:08:35,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:08:34" (1/3) ... [2021-11-25 18:08:35,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ee61c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:35, skipping insertion in model container [2021-11-25 18:08:35,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:35" (2/3) ... [2021-11-25 18:08:35,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ee61c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:35, skipping insertion in model container [2021-11-25 18:08:35,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:35" (3/3) ... [2021-11-25 18:08:35,884 INFO L111 eAbstractionObserver]: Analyzing ICFG array21_pattern.c [2021-11-25 18:08:35,900 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:08:35,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:08:35,963 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:08:35,973 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 18:08:35,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:08:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 18:08:36,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:36,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:36,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:36,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:36,017 INFO L85 PathProgramCache]: Analyzing trace with hash -445405455, now seen corresponding path program 1 times [2021-11-25 18:08:36,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:36,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406034942] [2021-11-25 18:08:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:36,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:36,149 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:36,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421179088] [2021-11-25 18:08:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:36,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:36,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:36,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:08:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:36,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 18:08:36,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:36,308 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 18:08:36,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:08:36,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:36,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406034942] [2021-11-25 18:08:36,309 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:08:36,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421179088] [2021-11-25 18:08:36,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421179088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:36,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:36,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:08:36,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053109910] [2021-11-25 18:08:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:36,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:08:36,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:36,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:08:36,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:08:36,350 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:08:36,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:36,389 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2021-11-25 18:08:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:08:36,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-25 18:08:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:36,399 INFO L225 Difference]: With dead ends: 35 [2021-11-25 18:08:36,399 INFO L226 Difference]: Without dead ends: 25 [2021-11-25 18:08:36,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:08:36,406 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:36,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:08:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-25 18:08:36,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-25 18:08:36,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-11-25 18:08:36,461 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 11 [2021-11-25 18:08:36,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:36,463 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-25 18:08:36,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:08:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-25 18:08:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:08:36,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:36,466 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:36,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:08:36,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:08:36,678 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash -369278382, now seen corresponding path program 1 times [2021-11-25 18:08:36,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:36,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976032861] [2021-11-25 18:08:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:36,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:36,705 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:36,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031888317] [2021-11-25 18:08:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:36,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:36,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:36,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:08:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:36,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:08:36,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:08:36,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:08:36,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:36,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976032861] [2021-11-25 18:08:36,920 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:08:36,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031888317] [2021-11-25 18:08:36,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031888317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:36,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:36,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:08:36,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057557953] [2021-11-25 18:08:36,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:36,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:08:36,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:36,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:08:36,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:36,927 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:08:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:37,064 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2021-11-25 18:08:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:08:37,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2021-11-25 18:08:37,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:37,066 INFO L225 Difference]: With dead ends: 51 [2021-11-25 18:08:37,066 INFO L226 Difference]: Without dead ends: 31 [2021-11-25 18:08:37,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:08:37,068 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:37,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 41 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:08:37,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-25 18:08:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-11-25 18:08:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-11-25 18:08:37,078 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 24 [2021-11-25 18:08:37,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:37,078 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-11-25 18:08:37,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:08:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-25 18:08:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 18:08:37,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:37,080 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:37,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:08:37,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:37,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:37,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2038583436, now seen corresponding path program 1 times [2021-11-25 18:08:37,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:37,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222162971] [2021-11-25 18:08:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:37,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:37,315 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:37,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662154848] [2021-11-25 18:08:37,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:37,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:37,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:37,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:08:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:37,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 18:08:37,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:08:37,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:08:37,517 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:37,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222162971] [2021-11-25 18:08:37,518 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:08:37,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662154848] [2021-11-25 18:08:37,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662154848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:37,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:37,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:37,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563884070] [2021-11-25 18:08:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:37,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:37,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:37,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:37,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:37,521 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:08:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:37,600 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2021-11-25 18:08:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-11-25 18:08:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:37,603 INFO L225 Difference]: With dead ends: 54 [2021-11-25 18:08:37,603 INFO L226 Difference]: Without dead ends: 31 [2021-11-25 18:08:37,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:37,606 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:37,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 47 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:08:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-25 18:08:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-25 18:08:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-11-25 18:08:37,624 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 28 [2021-11-25 18:08:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:37,625 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-25 18:08:37,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:08:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-25 18:08:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:08:37,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:37,630 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:37,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 18:08:37,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:37,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:37,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:37,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1737391081, now seen corresponding path program 1 times [2021-11-25 18:08:37,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:37,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975554757] [2021-11-25 18:08:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:37,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:37,867 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:37,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735673535] [2021-11-25 18:08:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:37,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:37,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:37,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:37,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:08:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:37,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:08:37,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:08:38,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:08:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 18:08:38,208 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:38,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975554757] [2021-11-25 18:08:38,208 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:08:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735673535] [2021-11-25 18:08:38,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735673535] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:08:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [115789747] [2021-11-25 18:08:38,234 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:08:38,235 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:08:38,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:08:38,249 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:08:38,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:08:38,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:38,501 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:08:38,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:08:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:38,576 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:08:38,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:08:38,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:38,669 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 45 treesize of output 47 [2021-11-25 18:08:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:38,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:08:38,866 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:08:38,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:08:39,067 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 34 treesize of output 30 [2021-11-25 18:08:39,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:39,306 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:08:39,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:08:39,375 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 34 treesize of output 30 [2021-11-25 18:08:39,414 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 30 treesize of output 26 [2021-11-25 18:08:39,487 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:08:39,488 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 103 treesize of output 108 [2021-11-25 18:08:39,549 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 34 treesize of output 30 [2021-11-25 18:08:39,816 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 35 treesize of output 31 [2021-11-25 18:08:40,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 18:08:40,318 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:08:40,318 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 103 treesize of output 108 [2021-11-25 18:08:40,363 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 34 treesize of output 30 [2021-11-25 18:08:40,376 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:08:40,380 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:08:40,399 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:08:41,956 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '739#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:08:41,956 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:08:41,956 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:08:41,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-11-25 18:08:41,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779086414] [2021-11-25 18:08:41,956 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:08:41,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:08:41,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:41,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:08:41,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:08:41,959 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:08:42,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:42,060 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2021-11-25 18:08:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:08:42,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 30 [2021-11-25 18:08:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:42,062 INFO L225 Difference]: With dead ends: 58 [2021-11-25 18:08:42,062 INFO L226 Difference]: Without dead ends: 33 [2021-11-25 18:08:42,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:08:42,064 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 27 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:42,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 54 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:08:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-25 18:08:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-25 18:08:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:42,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-11-25 18:08:42,071 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 30 [2021-11-25 18:08:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:42,071 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-25 18:08:42,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:08:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-11-25 18:08:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:08:42,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:42,073 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-25 18:08:42,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:08:42,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:42,305 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:42,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash 737507988, now seen corresponding path program 2 times [2021-11-25 18:08:42,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:42,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978921254] [2021-11-25 18:08:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:42,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:42,332 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:42,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855421841] [2021-11-25 18:08:42,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:08:42,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:42,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:42,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:08:42,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 18:08:42,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:08:42,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 18:08:42,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 18:08:42,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:08:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:08:42,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978921254] [2021-11-25 18:08:42,901 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:08:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855421841] [2021-11-25 18:08:42,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855421841] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:08:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1487801781] [2021-11-25 18:08:42,904 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:08:42,905 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:08:42,905 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:08:42,905 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:08:42,905 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:08:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:42,975 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:08:42,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:08:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:42,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:08:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,025 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 49 treesize of output 51 [2021-11-25 18:08:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,116 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:08:43,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:08:43,195 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 34 treesize of output 30 [2021-11-25 18:08:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,318 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:08:43,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:08:43,360 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 34 treesize of output 30 [2021-11-25 18:08:43,390 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 34 treesize of output 30 [2021-11-25 18:08:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:43,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:08:43,451 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 34 treesize of output 30 [2021-11-25 18:08:43,656 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 35 treesize of output 31 [2021-11-25 18:08:43,976 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 34 treesize of output 30 [2021-11-25 18:08:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:44,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:08:44,031 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 34 treesize of output 30 [2021-11-25 18:08:44,043 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:08:44,045 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:08:44,058 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:08:45,561 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1103#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:08:45,561 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:08:45,562 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:08:45,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2021-11-25 18:08:45,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825271165] [2021-11-25 18:08:45,562 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:08:45,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 18:08:45,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:45,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 18:08:45,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1097, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 18:08:45,564 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 15 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 13 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:08:45,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:45,756 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2021-11-25 18:08:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 18:08:45,756 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 13 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 32 [2021-11-25 18:08:45,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:45,757 INFO L225 Difference]: With dead ends: 70 [2021-11-25 18:08:45,757 INFO L226 Difference]: Without dead ends: 47 [2021-11-25 18:08:45,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=173, Invalid=1159, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 18:08:45,759 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 61 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:45,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 72 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:08:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-25 18:08:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2021-11-25 18:08:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:08:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2021-11-25 18:08:45,772 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 32 [2021-11-25 18:08:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:45,773 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2021-11-25 18:08:45,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 13 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:08:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-25 18:08:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:08:45,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:45,777 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:45,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:08:45,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:45,993 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:08:45,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:45,994 INFO L85 PathProgramCache]: Analyzing trace with hash -68836906, now seen corresponding path program 3 times [2021-11-25 18:08:45,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:45,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179759375] [2021-11-25 18:08:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:45,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:46,007 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:08:46,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388706703] [2021-11-25 18:08:46,008 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:08:46,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:08:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:46,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:08:46,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:08:46,485 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:08:46,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:08:46,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-25 18:08:46,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:08:46,579 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 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 18:08:46,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2021-11-25 18:08:46,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-25 18:08:46,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 23 [2021-11-25 18:08:46,685 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 0 case distinctions, treesize of input 73 treesize of output 66 [2021-11-25 18:08:46,705 INFO L354 Elim1Store]: treesize reduction 128, result has 19.5 percent of original size [2021-11-25 18:08:46,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 87 [2021-11-25 18:08:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:46,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-11-25 18:08:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:46,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 24 [2021-11-25 18:08:46,906 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 0 case distinctions, treesize of input 99 treesize of output 90 [2021-11-25 18:08:46,954 INFO L354 Elim1Store]: treesize reduction 314, result has 20.7 percent of original size [2021-11-25 18:08:46,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 147 [2021-11-25 18:08:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:46,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:46,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 40 [2021-11-25 18:08:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 44 [2021-11-25 18:08:47,281 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 0 case distinctions, treesize of input 175 treesize of output 158 [2021-11-25 18:08:47,398 INFO L354 Elim1Store]: treesize reduction 681, result has 16.1 percent of original size [2021-11-25 18:08:47,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 157 treesize of output 215 [2021-11-25 18:08:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,640 INFO L354 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2021-11-25 18:08:47,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 68 [2021-11-25 18:08:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 117 treesize of output 57 [2021-11-25 18:08:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:08:47,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 150 treesize of output 76 [2021-11-25 18:08:49,641 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 0 case distinctions, treesize of input 160 treesize of output 139 [2021-11-25 18:08:49,971 INFO L354 Elim1Store]: treesize reduction 642, result has 36.7 percent of original size [2021-11-25 18:08:49,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 138 treesize of output 466 [2021-11-25 18:09:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:12,518 INFO L354 Elim1Store]: treesize reduction 29, result has 85.7 percent of original size [2021-11-25 18:09:12,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 1597 treesize of output 1358 [2021-11-25 18:09:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:17,723 INFO L354 Elim1Store]: treesize reduction 31, result has 49.2 percent of original size [2021-11-25 18:09:17,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 380 treesize of output 263 [2021-11-25 18:09:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:18,261 INFO L354 Elim1Store]: treesize reduction 39, result has 36.1 percent of original size [2021-11-25 18:09:18,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 164 treesize of output 115 [2021-11-25 18:09:19,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:19,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 63 [2021-11-25 18:09:20,914 INFO L354 Elim1Store]: treesize reduction 268, result has 34.5 percent of original size [2021-11-25 18:09:20,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 771 treesize of output 765 [2021-11-25 18:09:27,833 INFO L354 Elim1Store]: treesize reduction 418, result has 8.5 percent of original size [2021-11-25 18:09:27,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 711 treesize of output 533 [2021-11-25 18:09:33,711 INFO L354 Elim1Store]: treesize reduction 180, result has 37.1 percent of original size [2021-11-25 18:09:33,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 330 treesize of output 254 [2021-11-25 18:09:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:09:34,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:39,863 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:39,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179759375] [2021-11-25 18:09:39,864 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:39,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388706703] [2021-11-25 18:09:39,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388706703] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:09:39,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [869572614] [2021-11-25 18:09:39,867 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:09:39,867 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:39,867 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:39,868 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:39,868 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:39,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:39,951 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:09:39,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:09:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,029 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:09:40,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,064 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 49 treesize of output 51 [2021-11-25 18:09:40,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,159 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:09:40,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:09:40,198 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 34 treesize of output 30 [2021-11-25 18:09:40,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:40,337 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:09:40,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:09:40,381 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 34 treesize of output 30 [2021-11-25 18:09:40,411 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 30 treesize of output 26 [2021-11-25 18:09:40,463 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:40,463 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 103 treesize of output 108 [2021-11-25 18:09:40,513 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 34 treesize of output 30 [2021-11-25 18:09:40,702 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 35 treesize of output 31 [2021-11-25 18:09:41,022 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 34 treesize of output 30 [2021-11-25 18:09:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:41,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:09:41,072 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 34 treesize of output 30 [2021-11-25 18:09:41,087 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:09:41,089 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:09:41,099 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:44,234 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1510#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:09:44,235 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:09:44,235 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:09:44,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-11-25 18:09:44,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283468828] [2021-11-25 18:09:44,236 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 18:09:44,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-25 18:09:44,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:44,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-25 18:09:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2887, Unknown=0, NotChecked=0, Total=3192 [2021-11-25 18:09:44,239 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:09:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:45,162 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2021-11-25 18:09:45,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 18:09:45,162 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2021-11-25 18:09:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:45,165 INFO L225 Difference]: With dead ends: 93 [2021-11-25 18:09:45,165 INFO L226 Difference]: Without dead ends: 90 [2021-11-25 18:09:45,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 36 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=321, Invalid=3101, Unknown=0, NotChecked=0, Total=3422 [2021-11-25 18:09:45,168 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 44 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 216 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:45,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 199 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 263 Invalid, 0 Unknown, 216 Unchecked, 0.7s Time] [2021-11-25 18:09:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-25 18:09:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2021-11-25 18:09:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:09:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2021-11-25 18:09:45,186 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 40 [2021-11-25 18:09:45,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:45,187 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2021-11-25 18:09:45,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:09:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2021-11-25 18:09:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 18:09:45,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:45,190 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:45,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:45,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:45,407 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:45,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:45,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1075120508, now seen corresponding path program 4 times [2021-11-25 18:09:45,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:45,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702761181] [2021-11-25 18:09:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:45,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:45,432 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:45,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [560240382] [2021-11-25 18:09:45,432 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 18:09:45,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:45,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:45,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 18:09:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:45,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:09:45,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 18:09:45,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 18:09:45,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702761181] [2021-11-25 18:09:45,715 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560240382] [2021-11-25 18:09:45,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560240382] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1431174164] [2021-11-25 18:09:45,718 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:09:45,718 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:45,719 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:45,719 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:45,719 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:45,786 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:45,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:09:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:45,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:09:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:45,835 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 45 treesize of output 47 [2021-11-25 18:09:45,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:45,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:09:46,049 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:09:46,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:09:46,110 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 34 treesize of output 30 [2021-11-25 18:09:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:46,238 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 18:09:46,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 18:09:46,268 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 34 treesize of output 30 [2021-11-25 18:09:46,294 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 34 treesize of output 30 [2021-11-25 18:09:46,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:46,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:09:46,352 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 34 treesize of output 30 [2021-11-25 18:09:46,530 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 35 treesize of output 31 [2021-11-25 18:09:46,841 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 30 treesize of output 26 [2021-11-25 18:09:46,896 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:46,897 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 103 treesize of output 108 [2021-11-25 18:09:46,932 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 34 treesize of output 30 [2021-11-25 18:09:46,944 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:09:46,947 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:09:46,959 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:48,388 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2046#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:09:48,388 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:09:48,388 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:09:48,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-25 18:09:48,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291450050] [2021-11-25 18:09:48,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:09:48,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:09:48,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:09:48,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=928, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:09:48,390 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:09:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:48,622 INFO L93 Difference]: Finished difference Result 208 states and 271 transitions. [2021-11-25 18:09:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 18:09:48,625 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2021-11-25 18:09:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:48,630 INFO L225 Difference]: With dead ends: 208 [2021-11-25 18:09:48,630 INFO L226 Difference]: Without dead ends: 154 [2021-11-25 18:09:48,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 18:09:48,633 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 124 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:48,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 84 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:09:48,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-25 18:09:48,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2021-11-25 18:09:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 92 states have internal predecessors, (117), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-25 18:09:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2021-11-25 18:09:48,675 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 41 [2021-11-25 18:09:48,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:48,676 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2021-11-25 18:09:48,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:09:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2021-11-25 18:09:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:09:48,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:48,678 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 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] [2021-11-25 18:09:48,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:48,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 18:09:48,896 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:48,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:48,897 INFO L85 PathProgramCache]: Analyzing trace with hash 705951226, now seen corresponding path program 1 times [2021-11-25 18:09:48,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:48,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074929525] [2021-11-25 18:09:48,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:48,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:48,908 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:48,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887781431] [2021-11-25 18:09:48,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:48,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:48,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:48,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 18:09:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:49,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 18:09:49,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-25 18:09:49,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 18:09:49,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:49,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074929525] [2021-11-25 18:09:49,654 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:49,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887781431] [2021-11-25 18:09:49,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887781431] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:49,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [587854196] [2021-11-25 18:09:49,657 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2021-11-25 18:09:49,657 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:49,658 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:49,658 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:49,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,734 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:49,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:09:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:09:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,783 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 49 treesize of output 51 [2021-11-25 18:09:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:49,922 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:09:49,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:09:49,960 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 34 treesize of output 30 [2021-11-25 18:09:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:50,072 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:09:50,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:09:50,131 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 34 treesize of output 30 [2021-11-25 18:09:50,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 18:09:50,193 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:50,194 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 103 treesize of output 108 [2021-11-25 18:09:50,240 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 34 treesize of output 30 [2021-11-25 18:09:50,476 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 0 case distinctions, treesize of input 80 treesize of output 50 [2021-11-25 18:09:50,797 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 30 treesize of output 26 [2021-11-25 18:09:50,858 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:50,858 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 103 treesize of output 108 [2021-11-25 18:09:50,892 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 34 treesize of output 30 [2021-11-25 18:09:50,903 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:09:50,904 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 44 for LOIs [2021-11-25 18:09:50,921 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:52,878 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2885#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:09:52,878 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:09:52,878 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:09:52,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2021-11-25 18:09:52,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702263617] [2021-11-25 18:09:52,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:09:52,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-25 18:09:52,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:52,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-25 18:09:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1706, Unknown=0, NotChecked=0, Total=1892 [2021-11-25 18:09:52,881 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 21 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 17 states have internal predecessors, (43), 6 states have call successors, (9), 3 states have call predecessors, (9), 8 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-25 18:09:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:53,436 INFO L93 Difference]: Finished difference Result 159 states and 191 transitions. [2021-11-25 18:09:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:09:53,437 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 17 states have internal predecessors, (43), 6 states have call successors, (9), 3 states have call predecessors, (9), 8 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 44 [2021-11-25 18:09:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:53,439 INFO L225 Difference]: With dead ends: 159 [2021-11-25 18:09:53,439 INFO L226 Difference]: Without dead ends: 132 [2021-11-25 18:09:53,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=328, Invalid=2752, Unknown=0, NotChecked=0, Total=3080 [2021-11-25 18:09:53,441 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 163 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:53,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 113 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:09:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-25 18:09:53,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 115. [2021-11-25 18:09:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 91 states have internal predecessors, (114), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:09:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 142 transitions. [2021-11-25 18:09:53,475 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 142 transitions. Word has length 44 [2021-11-25 18:09:53,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:53,476 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 142 transitions. [2021-11-25 18:09:53,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 17 states have internal predecessors, (43), 6 states have call successors, (9), 3 states have call predecessors, (9), 8 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-25 18:09:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2021-11-25 18:09:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 18:09:53,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:53,478 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:53,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:53,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:53,693 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:53,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1442513892, now seen corresponding path program 5 times [2021-11-25 18:09:53,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120720864] [2021-11-25 18:09:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:53,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:53,704 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:53,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327469537] [2021-11-25 18:09:53,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:09:53,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:53,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:53,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 18:09:53,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-25 18:09:53,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:09:53,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:09:53,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-25 18:09:53,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-25 18:09:53,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:53,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120720864] [2021-11-25 18:09:53,982 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:53,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327469537] [2021-11-25 18:09:53,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327469537] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:53,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1493685805] [2021-11-25 18:09:53,986 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:09:53,986 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:53,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:53,987 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:53,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:54,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,050 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:54,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:09:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:09:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,090 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 49 treesize of output 51 [2021-11-25 18:09:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,227 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:09:54,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:09:54,290 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 34 treesize of output 30 [2021-11-25 18:09:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,414 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 18:09:54,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 18:09:54,449 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 34 treesize of output 30 [2021-11-25 18:09:54,483 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 34 treesize of output 30 [2021-11-25 18:09:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:54,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:09:54,536 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 34 treesize of output 30 [2021-11-25 18:09:54,704 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 35 treesize of output 31 [2021-11-25 18:09:55,027 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 34 treesize of output 30 [2021-11-25 18:09:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:55,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:09:55,082 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 34 treesize of output 30 [2021-11-25 18:09:55,093 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:09:55,095 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:09:55,107 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:56,600 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3646#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:09:56,600 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:09:56,600 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:09:56,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-25 18:09:56,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513129137] [2021-11-25 18:09:56,601 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:09:56,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:09:56,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:09:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=913, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:09:56,602 INFO L87 Difference]: Start difference. First operand 115 states and 142 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 18:09:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:56,770 INFO L93 Difference]: Finished difference Result 165 states and 197 transitions. [2021-11-25 18:09:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 18:09:56,775 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2021-11-25 18:09:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:56,776 INFO L225 Difference]: With dead ends: 165 [2021-11-25 18:09:56,777 INFO L226 Difference]: Without dead ends: 118 [2021-11-25 18:09:56,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=177, Invalid=1155, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 18:09:56,778 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 50 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:56,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 82 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:09:56,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-25 18:09:56,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 106. [2021-11-25 18:09:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 82 states have (on average 1.1951219512195121) internal successors, (98), 83 states have internal predecessors, (98), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:09:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 126 transitions. [2021-11-25 18:09:56,803 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 126 transitions. Word has length 43 [2021-11-25 18:09:56,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:56,803 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 126 transitions. [2021-11-25 18:09:56,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 18:09:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2021-11-25 18:09:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:09:56,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:56,805 INFO L514 BasicCegarLoop]: trace histogram [6, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:56,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:57,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 18:09:57,009 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:57,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash -677900810, now seen corresponding path program 6 times [2021-11-25 18:09:57,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:57,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003076291] [2021-11-25 18:09:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:57,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:57,028 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:57,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433814754] [2021-11-25 18:09:57,028 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:09:57,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:57,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:57,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:57,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-25 18:09:57,091 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:09:57,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:09:57,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:09:57,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 18:09:57,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 18:09:57,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:57,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003076291] [2021-11-25 18:09:57,326 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:57,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433814754] [2021-11-25 18:09:57,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433814754] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:57,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [726745562] [2021-11-25 18:09:57,328 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:09:57,328 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:57,329 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:57,329 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:57,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,435 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:09:57,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:09:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,520 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:57,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:09:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,561 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 49 treesize of output 51 [2021-11-25 18:09:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,698 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:09:57,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:09:57,753 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 34 treesize of output 30 [2021-11-25 18:09:57,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,893 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:09:57,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:09:57,935 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 34 treesize of output 30 [2021-11-25 18:09:57,966 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 30 treesize of output 26 [2021-11-25 18:09:58,016 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:58,016 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 103 treesize of output 108 [2021-11-25 18:09:58,069 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 34 treesize of output 30 [2021-11-25 18:09:58,244 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 35 treesize of output 31 [2021-11-25 18:09:58,564 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 30 treesize of output 26 [2021-11-25 18:09:58,614 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:09:58,614 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 103 treesize of output 108 [2021-11-25 18:09:58,652 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 34 treesize of output 30 [2021-11-25 18:09:58,662 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:09:58,664 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:09:58,676 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:10:00,174 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4396#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:10:00,174 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:10:00,175 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:10:00,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-25 18:10:00,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527155890] [2021-11-25 18:10:00,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:10:00,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:10:00,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:10:00,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:10:00,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:10:00,177 INFO L87 Difference]: Start difference. First operand 106 states and 126 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:10:00,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:10:00,445 INFO L93 Difference]: Finished difference Result 181 states and 213 transitions. [2021-11-25 18:10:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:10:00,446 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2021-11-25 18:10:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:10:00,448 INFO L225 Difference]: With dead ends: 181 [2021-11-25 18:10:00,449 INFO L226 Difference]: Without dead ends: 178 [2021-11-25 18:10:00,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=1355, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 18:10:00,450 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 59 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:10:00,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 139 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:10:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-25 18:10:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 138. [2021-11-25 18:10:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 103 states have (on average 1.1941747572815533) internal successors, (123), 104 states have internal predecessors, (123), 21 states have call successors, (21), 13 states have call predecessors, (21), 13 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 18:10:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 165 transitions. [2021-11-25 18:10:00,493 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 165 transitions. Word has length 44 [2021-11-25 18:10:00,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:10:00,494 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 165 transitions. [2021-11-25 18:10:00,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:10:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2021-11-25 18:10:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:10:00,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:10:00,496 INFO L514 BasicCegarLoop]: trace histogram [6, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:10:00,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-25 18:10:00,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-25 18:10:00,720 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:10:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:10:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash 671013880, now seen corresponding path program 7 times [2021-11-25 18:10:00,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:10:00,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224222218] [2021-11-25 18:10:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:00,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:10:00,731 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:10:00,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225508256] [2021-11-25 18:10:00,732 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 18:10:00,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:10:00,733 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:10:00,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-25 18:10:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:10:00,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:10:00,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:10:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:10:00,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:10:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-25 18:10:01,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:10:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224222218] [2021-11-25 18:10:01,079 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:10:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225508256] [2021-11-25 18:10:01,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225508256] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:10:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1370192549] [2021-11-25 18:10:01,081 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:10:01,081 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:10:01,082 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:10:01,082 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:10:01,082 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:10:01,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,157 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:10:01,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:10:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:10:01,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,211 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 49 treesize of output 51 [2021-11-25 18:10:01,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,373 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:10:01,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:10:01,421 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 34 treesize of output 30 [2021-11-25 18:10:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:01,538 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 18:10:01,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 18:10:01,571 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 34 treesize of output 30 [2021-11-25 18:10:01,598 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 30 treesize of output 26 [2021-11-25 18:10:01,645 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:10:01,645 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 103 treesize of output 108 [2021-11-25 18:10:01,685 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 34 treesize of output 30 [2021-11-25 18:10:01,875 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 35 treesize of output 31 [2021-11-25 18:10:02,171 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 30 treesize of output 26 [2021-11-25 18:10:02,211 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:10:02,211 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 103 treesize of output 108 [2021-11-25 18:10:02,257 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 34 treesize of output 30 [2021-11-25 18:10:02,269 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:10:02,271 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:10:02,282 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:10:03,764 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5232#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:10:03,764 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:10:03,765 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:10:03,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-25 18:10:03,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91324023] [2021-11-25 18:10:03,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:10:03,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:10:03,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:10:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:10:03,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=910, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:10:03,767 INFO L87 Difference]: Start difference. First operand 138 states and 165 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:10:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:10:04,014 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2021-11-25 18:10:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:10:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2021-11-25 18:10:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:10:04,016 INFO L225 Difference]: With dead ends: 153 [2021-11-25 18:10:04,017 INFO L226 Difference]: Without dead ends: 120 [2021-11-25 18:10:04,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=258, Invalid=1634, Unknown=0, NotChecked=0, Total=1892 [2021-11-25 18:10:04,019 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 68 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:10:04,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 99 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:10:04,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-25 18:10:04,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2021-11-25 18:10:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 88 states have internal predecessors, (102), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-25 18:10:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2021-11-25 18:10:04,039 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 44 [2021-11-25 18:10:04,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:10:04,039 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2021-11-25 18:10:04,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:10:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2021-11-25 18:10:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:10:04,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:10:04,041 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:10:04,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-25 18:10:04,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-25 18:10:04,248 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:10:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:10:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1757907762, now seen corresponding path program 8 times [2021-11-25 18:10:04,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:10:04,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862423287] [2021-11-25 18:10:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:04,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:10:04,257 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:10:04,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395278365] [2021-11-25 18:10:04,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:10:04,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:10:04,259 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:10:04,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-25 18:10:04,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-25 18:10:04,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:10:04,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:10:04,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:10:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 18:10:04,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:10:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 18:10:04,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:10:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862423287] [2021-11-25 18:10:04,580 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:10:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395278365] [2021-11-25 18:10:04,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395278365] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:10:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1244254227] [2021-11-25 18:10:04,582 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:10:04,582 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:10:04,582 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:10:04,582 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:10:04,582 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:10:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,654 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:10:04,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:10:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,768 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:10:04,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:10:04,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,799 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 49 treesize of output 51 [2021-11-25 18:10:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,918 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:10:04,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:10:04,982 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 34 treesize of output 30 [2021-11-25 18:10:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,089 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 18:10:05,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 18:10:05,132 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 34 treesize of output 30 [2021-11-25 18:10:05,158 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 30 treesize of output 26 [2021-11-25 18:10:05,194 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:10:05,194 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 103 treesize of output 108 [2021-11-25 18:10:05,240 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 34 treesize of output 30 [2021-11-25 18:10:05,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-25 18:10:05,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-25 18:10:05,715 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:10:05,716 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 103 treesize of output 108 [2021-11-25 18:10:05,742 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 34 treesize of output 30 [2021-11-25 18:10:05,748 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:10:05,750 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:10:05,773 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:10:07,337 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5989#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:10:07,337 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:10:07,338 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:10:07,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-11-25 18:10:07,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842616074] [2021-11-25 18:10:07,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:10:07,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:10:07,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:10:07,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:10:07,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1054, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 18:10:07,340 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 18:10:07,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:10:07,691 INFO L93 Difference]: Finished difference Result 139 states and 164 transitions. [2021-11-25 18:10:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:10:07,692 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2021-11-25 18:10:07,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:10:07,693 INFO L225 Difference]: With dead ends: 139 [2021-11-25 18:10:07,693 INFO L226 Difference]: Without dead ends: 102 [2021-11-25 18:10:07,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=287, Invalid=1875, Unknown=0, NotChecked=0, Total=2162 [2021-11-25 18:10:07,694 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 31 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:10:07,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 135 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:10:07,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-25 18:10:07,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2021-11-25 18:10:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.16) internal successors, (87), 75 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:10:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2021-11-25 18:10:07,709 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 44 [2021-11-25 18:10:07,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:10:07,709 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2021-11-25 18:10:07,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-25 18:10:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2021-11-25 18:10:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 18:10:07,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:10:07,710 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:10:07,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-25 18:10:07,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:07,912 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:10:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:10:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash 172129101, now seen corresponding path program 1 times [2021-11-25 18:10:07,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:10:07,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676327409] [2021-11-25 18:10:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:07,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:10:07,921 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:10:07,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729536226] [2021-11-25 18:10:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:07,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:10:07,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:10:07,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-25 18:10:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:10:09,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-25 18:10:09,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:10:09,861 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 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 18:10:09,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2021-11-25 18:10:09,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 21 [2021-11-25 18:10:09,924 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 0 case distinctions, treesize of input 73 treesize of output 66 [2021-11-25 18:10:09,942 INFO L354 Elim1Store]: treesize reduction 128, result has 19.5 percent of original size [2021-11-25 18:10:09,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 87 [2021-11-25 18:10:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:09,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 24 [2021-11-25 18:10:10,101 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 0 case distinctions, treesize of input 78 treesize of output 69 [2021-11-25 18:10:10,139 INFO L354 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2021-11-25 18:10:10,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 90 [2021-11-25 18:10:10,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 14 [2021-11-25 18:10:10,220 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 0 case distinctions, treesize of input 79 treesize of output 68 [2021-11-25 18:10:10,283 INFO L354 Elim1Store]: treesize reduction 256, result has 15.5 percent of original size [2021-11-25 18:10:10,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 67 treesize of output 103 [2021-11-25 18:10:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:10,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 26 [2021-11-25 18:10:28,033 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 0 case distinctions, treesize of input 107 treesize of output 94 [2021-11-25 18:10:28,230 INFO L354 Elim1Store]: treesize reduction 358, result has 37.6 percent of original size [2021-11-25 18:10:28,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 93 treesize of output 289 [2021-11-25 18:10:29,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 15 [2021-11-25 18:10:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 15 [2021-11-25 18:10:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 15 [2021-11-25 18:10:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,135 INFO L354 Elim1Store]: treesize reduction 5, result has 81.5 percent of original size [2021-11-25 18:10:30,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2021-11-25 18:10:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:30,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 15 [2021-11-25 18:11:06,846 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 0 case distinctions, treesize of input 187 treesize of output 172 [2021-11-25 18:11:07,312 INFO L354 Elim1Store]: treesize reduction 493, result has 40.1 percent of original size [2021-11-25 18:11:07,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 171 treesize of output 468 [2021-11-25 18:11:15,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:11:16,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:11:16,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:11:16,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:11:19,132 INFO L354 Elim1Store]: treesize reduction 138, result has 56.3 percent of original size [2021-11-25 18:11:19,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1109 treesize of output 1061 [2021-11-25 18:13:13,814 INFO L354 Elim1Store]: treesize reduction 210, result has 65.6 percent of original size [2021-11-25 18:13:13,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 433 treesize of output 637 [2021-11-25 18:13:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 44 refuted. 12 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:13:37,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:13:57,892 WARN L227 SmtUtils]: Spent 11.54s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:13:59,972 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_~ARR_SIZE~0 4294967296))) (and (or (< 2147483647 .cse0) (forall ((|ULTIMATE.start_main_~index1~0#1| Int) (|ULTIMATE.start_main_~index2~0#1| Int)) (<= (let ((.cse2 (* (mod c_~ARR_SIZE~0 4294967296) 4))) (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|) (+ |c_ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~index1~0#1| .cse2) (* |ULTIMATE.start_main_~index2~0#1| 4)) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|)))) (+ (select .cse1 (+ .cse2 |c_ULTIMATE.start_main_~#array~0#1.offset|)) (select .cse1 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (select .cse1 (+ .cse2 |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) |c_ULTIMATE.start_main_~sum~0#1| 4 (select .cse1 |c_ULTIMATE.start_main_~#array~0#1.offset|)))) (* 4 c_~ARR_SIZE~0)))) (or (<= .cse0 2147483647) (forall ((|ULTIMATE.start_main_~index1~0#1| Int) (|ULTIMATE.start_main_~index2~0#1| Int)) (<= (let ((.cse4 (* (mod c_~ARR_SIZE~0 4294967296) 4))) (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|) (+ |c_ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~index2~0#1| 4) (* |ULTIMATE.start_main_~index1~0#1| (+ (- 17179869184) .cse4))) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|)))) (+ (select .cse3 (+ .cse4 |c_ULTIMATE.start_main_~#array~0#1.offset| (- 17179869180))) (select .cse3 |c_ULTIMATE.start_main_~#array~0#1.offset|) (select .cse3 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) |c_ULTIMATE.start_main_~sum~0#1| 4 (select .cse3 (+ (- 17179869184) .cse4 |c_ULTIMATE.start_main_~#array~0#1.offset|))))) (* 4 c_~ARR_SIZE~0)))))) is different from false [2021-11-25 18:14:00,050 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:00,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676327409] [2021-11-25 18:14:00,051 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:00,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729536226] [2021-11-25 18:14:00,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729536226] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:14:00,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1318562500] [2021-11-25 18:14:00,053 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:14:00,053 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:14:00,054 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:14:00,054 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:14:00,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:14:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,148 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:14:00,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:14:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,236 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:14:00,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:14:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,271 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 45 treesize of output 47 [2021-11-25 18:14:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:00,431 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:14:00,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:14:00,522 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 34 treesize of output 30 [2021-11-25 18:14:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,644 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:14:00,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:14:00,675 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 34 treesize of output 30 [2021-11-25 18:14:00,696 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 30 treesize of output 26 [2021-11-25 18:14:00,735 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:14:00,735 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 103 treesize of output 108 [2021-11-25 18:14:00,767 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 34 treesize of output 30 [2021-11-25 18:14:00,922 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 35 treesize of output 31 [2021-11-25 18:14:01,305 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 35 treesize of output 31 [2021-11-25 18:14:03,841 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 34 treesize of output 30 [2021-11-25 18:14:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:03,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:14:03,895 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 34 treesize of output 30 [2021-11-25 18:14:03,905 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2021-11-25 18:14:03,906 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 8 for LOIs [2021-11-25 18:14:03,908 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:14:08,846 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6686#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:14:08,846 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:14:08,846 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:14:08,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-11-25 18:14:08,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451108444] [2021-11-25 18:14:08,846 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 18:14:08,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-25 18:14:08,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:14:08,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-25 18:14:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=3106, Unknown=20, NotChecked=114, Total=3540 [2021-11-25 18:14:08,849 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand has 29 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 27 states have internal predecessors, (39), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-25 18:14:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:14:09,419 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2021-11-25 18:14:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 18:14:09,422 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 27 states have internal predecessors, (39), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 54 [2021-11-25 18:14:09,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:14:09,424 INFO L225 Difference]: With dead ends: 137 [2021-11-25 18:14:09,424 INFO L226 Difference]: Without dead ends: 124 [2021-11-25 18:14:09,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 85.8s TimeCoverageRelationStatistics Valid=317, Invalid=3327, Unknown=20, NotChecked=118, Total=3782 [2021-11-25 18:14:09,426 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 43 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 345 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:14:09,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 292 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 166 Invalid, 0 Unknown, 345 Unchecked, 0.3s Time] [2021-11-25 18:14:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-25 18:14:09,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 112. [2021-11-25 18:14:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 85 states have (on average 1.1411764705882352) internal successors, (97), 86 states have internal predecessors, (97), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-25 18:14:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2021-11-25 18:14:09,451 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 54 [2021-11-25 18:14:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:14:09,453 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2021-11-25 18:14:09,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 27 states have internal predecessors, (39), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-25 18:14:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2021-11-25 18:14:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 18:14:09,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:09,455 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:14:09,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-25 18:14:09,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:09,665 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash 177070359, now seen corresponding path program 9 times [2021-11-25 18:14:09,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:09,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22221107] [2021-11-25 18:14:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:09,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:09,683 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:14:09,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876669487] [2021-11-25 18:14:09,684 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:14:09,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:09,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:09,685 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:14:09,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-25 18:14:11,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:14:11,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:14:11,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-25 18:14:11,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:11,540 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 0 case distinctions, treesize of input 54 treesize of output 49 [2021-11-25 18:14:11,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 17 [2021-11-25 18:14:11,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 [2021-11-25 18:14:11,614 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 0 case distinctions, treesize of input 73 treesize of output 66 [2021-11-25 18:14:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:11,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 85 [2021-11-25 18:14:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 19 [2021-11-25 18:14:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 24 [2021-11-25 18:14:11,761 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 0 case distinctions, treesize of input 89 treesize of output 80 [2021-11-25 18:14:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:11,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 120 [2021-11-25 18:14:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 33 [2021-11-25 18:14:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:11,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 43 [2021-11-25 18:14:12,010 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 0 case distinctions, treesize of input 79 treesize of output 68 [2021-11-25 18:14:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,043 INFO L354 Elim1Store]: treesize reduction 102, result has 16.4 percent of original size [2021-11-25 18:14:12,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 99 [2021-11-25 18:14:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2021-11-25 18:14:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2021-11-25 18:14:12,418 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 0 case distinctions, treesize of input 157 treesize of output 136 [2021-11-25 18:14:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,502 INFO L354 Elim1Store]: treesize reduction 182, result has 9.9 percent of original size [2021-11-25 18:14:12,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 135 treesize of output 191 [2021-11-25 18:14:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,542 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-25 18:14:12,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 178 treesize of output 100 [2021-11-25 18:14:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:12,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 119 treesize of output 67 [2021-11-25 18:14:13,028 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 0 case distinctions, treesize of input 185 treesize of output 160 [2021-11-25 18:14:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,122 INFO L354 Elim1Store]: treesize reduction 225, result has 8.2 percent of original size [2021-11-25 18:14:13,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 159 treesize of output 251 [2021-11-25 18:14:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,308 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-11-25 18:14:13,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 193 treesize of output 93 [2021-11-25 18:14:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:13,469 INFO L354 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2021-11-25 18:14:13,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 183 treesize of output 101 [2021-11-25 18:14:13,990 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 0 case distinctions, treesize of input 128 treesize of output 111 [2021-11-25 18:14:14,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 186 [2021-11-25 18:14:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 46 [2021-11-25 18:14:14,284 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 0 case distinctions, treesize of input 147 treesize of output 128 [2021-11-25 18:14:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 223 [2021-11-25 18:14:14,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 97 [2021-11-25 18:14:14,641 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 0 case distinctions, treesize of input 153 treesize of output 132 [2021-11-25 18:14:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 45 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 240 [2021-11-25 18:14:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:14,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 68 [2021-11-25 18:14:16,573 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 0 case distinctions, treesize of input 167 treesize of output 144 [2021-11-25 18:14:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:17,178 INFO L354 Elim1Store]: treesize reduction 602, result has 46.6 percent of original size [2021-11-25 18:14:17,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 18 case distinctions, treesize of input 143 treesize of output 609 [2021-11-25 18:14:35,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:36,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:40,309 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:14:40,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 296 treesize of output 452 [2021-11-25 18:15:11,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:11,816 INFO L354 Elim1Store]: treesize reduction 2179, result has 10.2 percent of original size [2021-11-25 18:15:11,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 769 treesize of output 511 [2021-11-25 18:15:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:15:14,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:15:33,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:33,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22221107] [2021-11-25 18:15:33,036 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:15:33,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876669487] [2021-11-25 18:15:33,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876669487] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:15:33,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [933097955] [2021-11-25 18:15:33,038 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:15:33,039 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:15:33,039 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:15:33,039 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:15:33,039 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:15:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,114 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:15:33,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:15:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,202 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:15:33,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:15:33,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,234 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 45 treesize of output 47 [2021-11-25 18:15:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:33,402 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:15:33,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:15:33,492 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 34 treesize of output 30 [2021-11-25 18:15:33,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,631 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:15:33,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:15:33,660 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 34 treesize of output 30 [2021-11-25 18:15:33,683 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 34 treesize of output 30 [2021-11-25 18:15:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:15:33,730 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 34 treesize of output 30 [2021-11-25 18:15:33,871 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 35 treesize of output 31 [2021-11-25 18:15:34,117 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 30 treesize of output 26 [2021-11-25 18:15:34,164 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:15:34,164 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 103 treesize of output 108 [2021-11-25 18:15:34,193 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 34 treesize of output 30 [2021-11-25 18:15:34,202 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:15:34,207 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:15:34,217 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:15:43,677 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7408#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:15:43,677 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:15:43,677 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:15:43,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-11-25 18:15:43,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587933779] [2021-11-25 18:15:43,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 18:15:43,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-25 18:15:43,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:43,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-25 18:15:43,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=664, Invalid=5656, Unknown=0, NotChecked=0, Total=6320 [2021-11-25 18:15:43,681 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:15:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:46,816 INFO L93 Difference]: Finished difference Result 192 states and 225 transitions. [2021-11-25 18:15:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-25 18:15:46,818 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-11-25 18:15:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:46,819 INFO L225 Difference]: With dead ends: 192 [2021-11-25 18:15:46,820 INFO L226 Difference]: Without dead ends: 189 [2021-11-25 18:15:46,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 48 SyntacticMatches, 6 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2661 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=688, Invalid=5954, Unknown=0, NotChecked=0, Total=6642 [2021-11-25 18:15:46,823 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 311 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:46,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 443 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 759 Invalid, 0 Unknown, 311 Unchecked, 2.4s Time] [2021-11-25 18:15:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-25 18:15:46,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 145. [2021-11-25 18:15:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 113 states have (on average 1.168141592920354) internal successors, (132), 114 states have internal predecessors, (132), 18 states have call successors, (18), 13 states have call predecessors, (18), 13 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-25 18:15:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions. [2021-11-25 18:15:46,857 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 54 [2021-11-25 18:15:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:46,858 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 168 transitions. [2021-11-25 18:15:46,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:15:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2021-11-25 18:15:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 18:15:46,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:46,860 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:46,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-25 18:15:47,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-25 18:15:47,085 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:15:47,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:47,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1364091359, now seen corresponding path program 10 times [2021-11-25 18:15:47,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:47,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367763914] [2021-11-25 18:15:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:47,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:47,100 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:15:47,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699746670] [2021-11-25 18:15:47,100 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 18:15:47,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:15:47,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:15:47,101 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:15:47,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-25 18:15:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:47,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 18:15:47,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:15:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 52 proven. 38 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-25 18:15:47,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:15:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-25 18:15:47,474 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:47,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367763914] [2021-11-25 18:15:47,474 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:15:47,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699746670] [2021-11-25 18:15:47,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699746670] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:15:47,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1001508098] [2021-11-25 18:15:47,476 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-25 18:15:47,476 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:15:47,477 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:15:47,477 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:15:47,477 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:15:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:47,564 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:15:47,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:15:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:47,685 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:15:47,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:15:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:47,719 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 45 treesize of output 47 [2021-11-25 18:15:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:47,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:47,870 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:15:47,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:15:47,971 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 34 treesize of output 30 [2021-11-25 18:15:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:48,065 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:15:48,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:15:48,093 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 34 treesize of output 30 [2021-11-25 18:15:48,132 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 30 treesize of output 26 [2021-11-25 18:15:48,188 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:15:48,189 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 103 treesize of output 108 [2021-11-25 18:15:48,216 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 34 treesize of output 30 [2021-11-25 18:15:48,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-25 18:15:48,623 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 34 treesize of output 30 [2021-11-25 18:15:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:48,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:15:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2021-11-25 18:15:48,685 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:15:48,687 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 37 for LOIs [2021-11-25 18:15:48,699 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:15:50,576 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8333#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:15:50,576 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:15:50,576 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:15:50,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-11-25 18:15:50,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104237328] [2021-11-25 18:15:50,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:15:50,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 18:15:50,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 18:15:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 18:15:50,578 INFO L87 Difference]: Start difference. First operand 145 states and 168 transitions. Second operand has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:15:51,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:51,110 INFO L93 Difference]: Finished difference Result 329 states and 405 transitions. [2021-11-25 18:15:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 18:15:51,111 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2021-11-25 18:15:51,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:51,112 INFO L225 Difference]: With dead ends: 329 [2021-11-25 18:15:51,113 INFO L226 Difference]: Without dead ends: 255 [2021-11-25 18:15:51,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=247, Invalid=1733, Unknown=0, NotChecked=0, Total=1980 [2021-11-25 18:15:51,115 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 236 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:51,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 130 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:15:51,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-25 18:15:51,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 207. [2021-11-25 18:15:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 164 states have (on average 1.1890243902439024) internal successors, (195), 165 states have internal predecessors, (195), 25 states have call successors, (25), 17 states have call predecessors, (25), 17 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 18:15:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 245 transitions. [2021-11-25 18:15:51,161 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 245 transitions. Word has length 55 [2021-11-25 18:15:51,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:51,162 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 245 transitions. [2021-11-25 18:15:51,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:15:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 245 transitions. [2021-11-25 18:15:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 18:15:51,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:51,163 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 2, 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 18:15:51,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-25 18:15:51,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-25 18:15:51,389 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:15:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1091962381, now seen corresponding path program 2 times [2021-11-25 18:15:51,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:51,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878095194] [2021-11-25 18:15:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:51,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:51,402 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:15:51,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [905519497] [2021-11-25 18:15:51,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:15:51,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:15:51,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:15:51,409 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:15:51,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-25 18:15:53,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-25 18:15:53,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:15:53,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-25 18:15:53,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:15:53,692 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 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 18:15:53,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:53,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2021-11-25 18:15:53,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 18:15:53,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-11-25 18:15:53,784 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 0 case distinctions, treesize of input 83 treesize of output 76 [2021-11-25 18:15:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:53,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 103 [2021-11-25 18:15:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 23 [2021-11-25 18:15:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 28 [2021-11-25 18:15:53,904 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 0 case distinctions, treesize of input 91 treesize of output 82 [2021-11-25 18:15:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:53,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 124 [2021-11-25 18:15:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 35 [2021-11-25 18:15:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:53,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 45 [2021-11-25 18:15:54,148 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 0 case distinctions, treesize of input 121 treesize of output 110 [2021-11-25 18:15:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,192 INFO L354 Elim1Store]: treesize reduction 213, result has 24.5 percent of original size [2021-11-25 18:15:54,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 190 [2021-11-25 18:15:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 60 [2021-11-25 18:15:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 50 [2021-11-25 18:15:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 69 [2021-11-25 18:15:54,742 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 0 case distinctions, treesize of input 219 treesize of output 198 [2021-11-25 18:15:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,803 INFO L354 Elim1Store]: treesize reduction 292, result has 17.5 percent of original size [2021-11-25 18:15:54,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 261 [2021-11-25 18:15:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:54,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 317 treesize of output 160 [2021-11-25 18:15:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,239 INFO L354 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2021-11-25 18:15:55,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 98 [2021-11-25 18:15:55,549 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 0 case distinctions, treesize of input 259 treesize of output 234 [2021-11-25 18:15:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,777 INFO L354 Elim1Store]: treesize reduction 729, result has 24.1 percent of original size [2021-11-25 18:15:55,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 233 treesize of output 414 [2021-11-25 18:15:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:56,519 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-25 18:15:56,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 711 treesize of output 597 [2021-11-25 18:15:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,079 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-25 18:15:57,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 711 treesize of output 597 [2021-11-25 18:15:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:57,523 INFO L354 Elim1Store]: treesize reduction 143, result has 25.1 percent of original size [2021-11-25 18:15:57,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 759 treesize of output 677 [2021-11-25 18:15:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,800 INFO L354 Elim1Store]: treesize reduction 48, result has 22.6 percent of original size [2021-11-25 18:15:59,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 26 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 396 treesize of output 182 [2021-11-25 18:15:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,053 INFO L354 Elim1Store]: treesize reduction 107, result has 11.6 percent of original size [2021-11-25 18:16:00,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 378 treesize of output 179 [2021-11-25 18:16:00,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:00,317 INFO L354 Elim1Store]: treesize reduction 191, result has 9.9 percent of original size [2021-11-25 18:16:00,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 602 treesize of output 293 [2021-11-25 18:16:02,944 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 0 case distinctions, treesize of input 275 treesize of output 240 [2021-11-25 18:16:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,062 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-25 18:16:03,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 55 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 333 [2021-11-25 18:16:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:03,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 130 [2021-11-25 18:16:03,990 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 0 case distinctions, treesize of input 150 treesize of output 131 [2021-11-25 18:16:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 229 [2021-11-25 18:16:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 110 [2021-11-25 18:16:04,739 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 0 case distinctions, treesize of input 156 treesize of output 135 [2021-11-25 18:16:04,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:04,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 45 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 246 [2021-11-25 18:16:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:05,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 96 [2021-11-25 18:16:15,223 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 0 case distinctions, treesize of input 242 treesize of output 215 [2021-11-25 18:16:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:15,404 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 18:16:15,490 INFO L354 Elim1Store]: treesize reduction 216, result has 27.0 percent of original size [2021-11-25 18:16:15,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 11 select indices, 11 select index equivalence classes, 52 disjoint index pairs (out of 55 index pairs), introduced 13 new quantified variables, introduced 6 case distinctions, treesize of input 214 treesize of output 390 [2021-11-25 18:16:18,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:16:18,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:16:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:16:19,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 765 treesize of output 495 [2021-11-25 18:18:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:18:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:18:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:18:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:18:03,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:03,753 INFO L354 Elim1Store]: treesize reduction 24, result has 78.2 percent of original size [2021-11-25 18:18:03,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 52 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 215 [2021-11-25 18:18:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 4 proven. 144 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:18:05,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:18:50,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:50,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878095194] [2021-11-25 18:18:50,272 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:18:50,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905519497] [2021-11-25 18:18:50,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905519497] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:18:50,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1515572383] [2021-11-25 18:18:50,274 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2021-11-25 18:18:50,274 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:18:50,275 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:18:50,275 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:18:50,275 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:18:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,370 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-25 18:18:50,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2021-11-25 18:18:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,461 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:18:50,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:18:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,510 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 49 treesize of output 51 [2021-11-25 18:18:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,630 INFO L354 Elim1Store]: treesize reduction 106, result has 6.2 percent of original size [2021-11-25 18:18:50,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 349 [2021-11-25 18:18:50,672 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 34 treesize of output 30 [2021-11-25 18:18:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,782 INFO L354 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2021-11-25 18:18:50,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 185 treesize of output 187 [2021-11-25 18:18:50,812 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 34 treesize of output 30 [2021-11-25 18:18:50,838 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 34 treesize of output 30 [2021-11-25 18:18:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:50,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:18:50,892 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 34 treesize of output 30 [2021-11-25 18:18:51,093 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 0 case distinctions, treesize of input 80 treesize of output 50 [2021-11-25 18:18:51,387 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 34 treesize of output 30 [2021-11-25 18:18:51,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:51,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 103 [2021-11-25 18:18:51,441 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 34 treesize of output 30 [2021-11-25 18:18:51,455 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:18:51,457 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 44 for LOIs [2021-11-25 18:18:51,471 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:19:04,116 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9580#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2021-11-25 18:19:04,116 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:19:04,117 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:19:04,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2021-11-25 18:19:04,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949918443] [2021-11-25 18:19:04,117 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-25 18:19:04,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-25 18:19:04,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:04,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-25 18:19:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=878, Invalid=7303, Unknown=9, NotChecked=0, Total=8190 [2021-11-25 18:19:04,125 INFO L87 Difference]: Start difference. First operand 207 states and 245 transitions. Second operand has 48 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:19:05,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:05,602 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2021-11-25 18:19:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-25 18:19:05,609 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 58 [2021-11-25 18:19:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:05,611 INFO L225 Difference]: With dead ends: 255 [2021-11-25 18:19:05,611 INFO L226 Difference]: Without dead ends: 252 [2021-11-25 18:19:05,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3691 ImplicationChecksByTransitivity, 66.6s TimeCoverageRelationStatistics Valid=907, Invalid=7640, Unknown=9, NotChecked=0, Total=8556 [2021-11-25 18:19:05,613 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 10 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 283 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:05,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 223 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 283 Unchecked, 0.3s Time] [2021-11-25 18:19:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-25 18:19:05,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 227. [2021-11-25 18:19:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 177 states have (on average 1.1864406779661016) internal successors, (210), 178 states have internal predecessors, (210), 29 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2021-11-25 18:19:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 268 transitions. [2021-11-25 18:19:05,693 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 268 transitions. Word has length 58 [2021-11-25 18:19:05,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:05,693 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 268 transitions. [2021-11-25 18:19:05,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:19:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 268 transitions. [2021-11-25 18:19:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 18:19:05,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:05,695 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 3, 3, 3, 3, 3, 2, 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 18:19:05,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-25 18:19:05,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:19:05,903 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:19:05,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -85821538, now seen corresponding path program 3 times [2021-11-25 18:19:05,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:05,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112180163] [2021-11-25 18:19:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:05,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:05,911 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:19:05,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028739895] [2021-11-25 18:19:05,912 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:19:05,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:19:05,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:19:05,914 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:19:05,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-25 18:19:05,996 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:19:05,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:19:05,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 18:19:05,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:19:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 10 proven. 66 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-25 18:19:06,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:19:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-25 18:19:06,416 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:06,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112180163] [2021-11-25 18:19:06,416 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:19:06,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028739895] [2021-11-25 18:19:06,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028739895] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:19:06,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [855848264] [2021-11-25 18:19:06,418 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2021-11-25 18:19:06,418 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:19:06,418 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:19:06,419 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:19:06,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:19:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:06,494 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:19:06,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:19:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:06,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-25 18:19:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:06,554 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 45 treesize of output 47 [2021-11-25 18:19:06,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:06,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:19:06,703 INFO L354 Elim1Store]: treesize reduction 191, result has 17.3 percent of original size [2021-11-25 18:19:06,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 351 treesize of output 354 [2021-11-25 18:19:06,752 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 34 treesize of output 30 [2021-11-25 18:19:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:06,854 INFO L354 Elim1Store]: treesize reduction 71, result has 9.0 percent of original size [2021-11-25 18:19:06,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 192 treesize of output 194 [2021-11-25 18:19:06,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2021-11-25 18:19:06,923 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 30 treesize of output 26 [2021-11-25 18:19:06,968 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:19:06,969 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 103 treesize of output 108 [2021-11-25 18:19:07,017 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 34 treesize of output 30 [2021-11-25 18:19:07,233 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 0 case distinctions, treesize of input 80 treesize of output 50 [2021-11-25 18:19:07,493 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 30 treesize of output 26 [2021-11-25 18:19:07,541 INFO L354 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2021-11-25 18:19:07,541 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 103 treesize of output 108 [2021-11-25 18:19:07,567 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 34 treesize of output 30 [2021-11-25 18:19:07,578 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2021-11-25 18:19:07,580 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 44 for LOIs [2021-11-25 18:19:07,595 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:19:09,772 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10785#(and (<= 0 (+ |ULTIMATE.start_main_~index2~0#1| 32768)) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~row~0#1|) (<= 0 (+ |ULTIMATE.start_main_~index1~0#1| 32768)) (<= |ULTIMATE.start_main_~index2~0#1| 32767) (<= |ULTIMATE.start_main_~index1~0#1| 32767) (<= 0 |ULTIMATE.start_main_~column~0#1|) (= (ite (<= (+ |ULTIMATE.start_main_~sum~0#1| 4) (* 4 ~ARR_SIZE~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ ~ARR_SIZE~0 32768)) (<= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (<= 0 |ULTIMATE.start_main_~#array~0#1.base|) (<= 0 (+ |ULTIMATE.start_main_~num~0#1| 1)) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~row~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= ~ARR_SIZE~0 32767) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~temp~0#1|) (<= |ULTIMATE.start_main_~temp~0#1| 0) (= |#NULL.base| 0))' at error location [2021-11-25 18:19:09,772 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:19:09,773 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:19:09,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-11-25 18:19:09,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575808353] [2021-11-25 18:19:09,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:19:09,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-25 18:19:09,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:09,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-25 18:19:09,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1538, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 18:19:09,774 INFO L87 Difference]: Start difference. First operand 227 states and 268 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:19:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:10,350 INFO L93 Difference]: Finished difference Result 344 states and 409 transitions. [2021-11-25 18:19:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:19:10,352 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2021-11-25 18:19:10,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:10,354 INFO L225 Difference]: With dead ends: 344 [2021-11-25 18:19:10,354 INFO L226 Difference]: Without dead ends: 240 [2021-11-25 18:19:10,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=310, Invalid=2342, Unknown=0, NotChecked=0, Total=2652 [2021-11-25 18:19:10,355 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 24 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:10,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 66 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:19:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-25 18:19:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 205. [2021-11-25 18:19:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 165 states have (on average 1.1757575757575758) internal successors, (194), 166 states have internal predecessors, (194), 23 states have call successors, (23), 16 states have call predecessors, (23), 16 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-25 18:19:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 240 transitions. [2021-11-25 18:19:10,404 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 240 transitions. Word has length 59 [2021-11-25 18:19:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:10,404 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 240 transitions. [2021-11-25 18:19:10,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:19:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2021-11-25 18:19:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 18:19:10,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:10,405 INFO L514 BasicCegarLoop]: trace histogram [12, 9, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:10,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-25 18:19:10,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-25 18:19:10,617 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:19:10,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:10,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1896279326, now seen corresponding path program 11 times [2021-11-25 18:19:10,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:10,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460460698] [2021-11-25 18:19:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:10,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:10,626 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:19:10,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949775256] [2021-11-25 18:19:10,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:19:10,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:19:10,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:19:10,629 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:19:10,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb8cb-b108-4f64-a085-fd441d424036/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-25 18:19:12,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-11-25 18:19:12,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:19:12,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-25 18:19:12,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:19:12,621 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 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 18:19:12,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:19:12,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2021-11-25 18:19:12,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 18:19:12,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-11-25 18:19:12,709 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 0 case distinctions, treesize of input 83 treesize of output 76 [2021-11-25 18:19:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:19:12,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 103 [2021-11-25 18:19:12,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 23 [2021-11-25 18:19:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 28 [2021-11-25 18:19:12,814 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 0 case distinctions, treesize of input 91 treesize of output 82 [2021-11-25 18:19:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:19:12,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 124 [2021-11-25 18:19:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2021-11-25 18:19:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:12,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 27 [2021-11-25 18:19:13,016 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 0 case distinctions, treesize of input 87 treesize of output 76 [2021-11-25 18:19:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,051 INFO L354 Elim1Store]: treesize reduction 112, result has 23.3 percent of original size [2021-11-25 18:19:13,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 121 [2021-11-25 18:19:13,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:19:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-11-25 18:19:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 29 [2021-11-25 18:19:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-11-25 18:19:13,441 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 0 case distinctions, treesize of input 165 treesize of output 144 [2021-11-25 18:19:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,498 INFO L354 Elim1Store]: treesize reduction 176, result has 17.8 percent of original size [2021-11-25 18:19:13,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 143 treesize of output 225 [2021-11-25 18:19:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 200 treesize of output 104 [2021-11-25 18:19:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:13,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 193 treesize of output 99 [2021-11-25 18:19:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,109 INFO L354 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2021-11-25 18:19:14,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 72 [2021-11-25 18:19:14,322 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 0 case distinctions, treesize of input 168 treesize of output 143 [2021-11-25 18:19:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,393 INFO L354 Elim1Store]: treesize reduction 183, result has 13.3 percent of original size [2021-11-25 18:19:14,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 142 treesize of output 231 [2021-11-25 18:19:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,637 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-25 18:19:14,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 230 treesize of output 163 [2021-11-25 18:19:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,030 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-11-25 18:19:15,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 163 treesize of output 93 [2021-11-25 18:19:15,825 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 0 case distinctions, treesize of input 208 treesize of output 179 [2021-11-25 18:19:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:16,572 INFO L354 Elim1Store]: treesize reduction 811, result has 38.3 percent of original size [2021-11-25 18:19:16,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 27 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 178 treesize of output 612 [2021-11-25 18:19:23,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:23,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:24,068 INFO L354 Elim1Store]: treesize reduction 225, result has 34.0 percent of original size [2021-11-25 18:19:24,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 1300 treesize of output 959 [2021-11-25 18:19:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:30,373 INFO L354 Elim1Store]: treesize reduction 158, result has 42.1 percent of original size [2021-11-25 18:19:30,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 33 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 887 treesize of output 788 [2021-11-25 18:19:34,883 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 0 case distinctions, treesize of input 248 treesize of output 215 [2021-11-25 18:19:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:35,974 INFO L354 Elim1Store]: treesize reduction 1629, result has 26.1 percent of original size [2021-11-25 18:19:35,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 11 select indices, 11 select index equivalence classes, 27 disjoint index pairs (out of 55 index pairs), introduced 13 new quantified variables, introduced 50 case distinctions, treesize of input 214 treesize of output 690 [2021-11-25 18:19:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:55,120 INFO L354 Elim1Store]: treesize reduction 145, result has 0.7 percent of original size [2021-11-25 18:19:55,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 48 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 7 case distinctions, treesize of input 1002 treesize of output 709 [2021-11-25 18:19:56,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:19:56,231 INFO L354 Elim1Store]: treesize reduction 758, result has 10.1 percent of original size [2021-11-25 18:19:56,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 32 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 34 case distinctions, treesize of input 1009 treesize of output 798 [2021-11-25 18:20:01,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:01,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:01,353 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:20:01,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 689 [2021-11-25 18:20:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:02,324 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-25 18:20:02,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 48 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 18 case distinctions, treesize of input 990 treesize of output 703 [2021-11-25 18:20:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:07,993 INFO L354 Elim1Store]: treesize reduction 105, result has 0.9 percent of original size [2021-11-25 18:20:07,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 61 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 5 case distinctions, treesize of input 253 treesize of output 128 [2021-11-25 18:20:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,684 INFO L354 Elim1Store]: treesize reduction 359, result has 0.3 percent of original size [2021-11-25 18:20:11,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 42 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 13 case distinctions, treesize of input 263 treesize of output 140 [2021-11-25 18:20:11,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:11,910 INFO L354 Elim1Store]: treesize reduction 331, result has 18.1 percent of original size [2021-11-25 18:20:11,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 50 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 16 case distinctions, treesize of input 268 treesize of output 215 [2021-11-25 18:20:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,183 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-11-25 18:20:12,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 50 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 5 case distinctions, treesize of input 233 treesize of output 123 [2021-11-25 18:20:12,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,324 INFO L354 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2021-11-25 18:20:12,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 51 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 4 case distinctions, treesize of input 256 treesize of output 137 [2021-11-25 18:20:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:12,589 INFO L354 Elim1Store]: treesize reduction 702, result has 9.4 percent of original size [2021-11-25 18:20:12,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 35 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 557 treesize of output 455 [2021-11-25 18:20:14,142 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 0 case distinctions, treesize of input 286 treesize of output 249 [2021-11-25 18:20:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:20,249 WARN L227 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 435 DAG size of output: 128 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:20:20,250 INFO L354 Elim1Store]: treesize reduction 2572, result has 19.1 percent of original size [2021-11-25 18:20:20,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 13 select indices, 13 select index equivalence classes, 27 disjoint index pairs (out of 78 index pairs), introduced 15 new quantified variables, introduced 77 case distinctions, treesize of input 248 treesize of output 725 [2021-11-25 18:21:24,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,738 INFO L244 Elim1Store]: Index analysis took 615 ms [2021-11-25 18:21:24,848 INFO L354 Elim1Store]: treesize reduction 197, result has 11.3 percent of original size [2021-11-25 18:21:24,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 82 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 9 case distinctions, treesize of input 525 treesize of output 343 [2021-11-25 18:21:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:26,615 INFO L244 Elim1Store]: Index analysis took 759 ms [2021-11-25 18:21:27,516 INFO L354 Elim1Store]: treesize reduction 1176, result has 7.3 percent of original size [2021-11-25 18:21:27,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 41 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 50 case distinctions, treesize of input 1269 treesize of output 1018 [2021-11-25 18:21:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,541 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-11-25 18:21:40,565 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-25 18:21:40,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 70 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 8 case distinctions, treesize of input 344 treesize of output 172 [2021-11-25 18:21:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:40,926 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 18:21:41,445 INFO L354 Elim1Store]: treesize reduction 1227, result has 8.2 percent of original size [2021-11-25 18:21:41,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 38 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 53 case distinctions, treesize of input 854 treesize of output 648 [2021-11-25 18:21:51,831 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 0 case distinctions, treesize of input 330 treesize of output 289 [2021-11-25 18:21:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,892 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (* (mod ~ARR_SIZE~0 4294967296) 4))) (= (+ .cse0 |ULTIMATE.start_main_~#array~0#1.offset| 8) (+ |ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~row~0#1| (+ (- 17179869184) .cse0))))) [2021-11-25 18:21:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:55,985 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (* (mod ~ARR_SIZE~0 4294967296) 4))) (= (+ .cse0 |ULTIMATE.start_main_~#array~0#1.offset| 4) (+ |ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~row~0#1| (+ (- 17179869184) .cse0))))) [2021-11-25 18:21:55,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:56,263 INFO L244 Elim1Store]: Index analysis took 4425 ms