./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:37:10,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:37:10,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:37:10,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:37:10,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:37:10,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:37:10,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:37:10,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:37:10,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:37:10,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:37:10,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:37:10,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:37:10,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:37:10,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:37:10,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:37:10,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:37:10,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:37:10,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:37:10,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:37:10,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:37:10,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:37:10,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:37:10,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:37:10,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:37:10,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:37:10,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:37:10,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:37:10,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:37:10,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:37:10,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:37:10,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:37:10,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:37:10,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:37:10,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:37:10,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:37:10,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:37:10,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:37:10,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:37:10,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:37:10,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:37:10,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:37:10,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:37:10,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:37:10,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:37:10,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:37:10,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:37:10,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:37:10,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:37:10,485 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:37:10,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:37:10,486 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:37:10,486 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:37:10,487 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:37:10,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:37:10,487 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:37:10,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:37:10,488 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:37:10,488 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:37:10,488 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:37:10,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:37:10,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:37:10,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:37:10,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:37:10,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:37:10,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:37:10,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:37:10,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:37:10,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:37:10,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:37:10,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:37:10,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:37:10,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:37:10,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:37:10,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:37:10,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:37:10,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:37:10,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:37:10,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:37:10,501 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:37:10,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:37:10,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:37:10,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:37:10,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:37:10,502 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_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 [2021-11-21 00:37:10,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:37:10,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:37:10,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:37:10,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:37:10,782 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:37:10,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2021-11-21 00:37:10,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/data/3c08fb571/3a9990c934bc42f289ca9d18c903ec6d/FLAG2fad781a8 [2021-11-21 00:37:11,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:37:11,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2021-11-21 00:37:11,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/data/3c08fb571/3a9990c934bc42f289ca9d18c903ec6d/FLAG2fad781a8 [2021-11-21 00:37:11,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/data/3c08fb571/3a9990c934bc42f289ca9d18c903ec6d [2021-11-21 00:37:11,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:37:11,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:37:11,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:37:11,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:37:11,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:37:11,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:11" (1/1) ... [2021-11-21 00:37:11,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d66de0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:11, skipping insertion in model container [2021-11-21 00:37:11,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:11" (1/1) ... [2021-11-21 00:37:11,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:37:11,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:37:12,208 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_c99e1af5-e8ae-4655-8598-926b53d07872/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] [2021-11-21 00:37:12,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:37:12,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:37:12,425 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_c99e1af5-e8ae-4655-8598-926b53d07872/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] [2021-11-21 00:37:12,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:37:12,586 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:37:12,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12 WrapperNode [2021-11-21 00:37:12,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:37:12,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:37:12,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:37:12,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:37:12,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,741 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-21 00:37:12,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:37:12,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:37:12,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:37:12,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:37:12,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:37:12,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:37:12,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:37:12,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:37:12,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (1/1) ... [2021-11-21 00:37:12,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:37:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:12,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:37:13,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:37:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:37:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:37:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:37:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:37:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:37:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:37:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:37:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:37:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:37:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:37:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:37:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:37:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:37:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:37:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:37:13,292 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:37:13,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:37:14,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:37:15,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:37:15,184 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 00:37:15,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:15 BoogieIcfgContainer [2021-11-21 00:37:15,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:37:15,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:37:15,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:37:15,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:37:15,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:37:11" (1/3) ... [2021-11-21 00:37:15,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d9570a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:15, skipping insertion in model container [2021-11-21 00:37:15,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:12" (2/3) ... [2021-11-21 00:37:15,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d9570a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:15, skipping insertion in model container [2021-11-21 00:37:15,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:15" (3/3) ... [2021-11-21 00:37:15,199 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-1.i [2021-11-21 00:37:15,208 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:37:15,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:37:15,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:37:15,278 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 [2021-11-21 00:37:15,278 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:37:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:37:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:37:15,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:15,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:15,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:37:15,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-21 00:37:15,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:15,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652827539] [2021-11-21 00:37:15,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:15,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:15,498 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:15,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652827539] [2021-11-21 00:37:15,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652827539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:15,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:15,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:37:15,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19926442] [2021-11-21 00:37:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:15,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:15,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:15,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:15,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:15,549 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:18,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:18,079 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-21 00:37:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:37:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 00:37:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:18,117 INFO L225 Difference]: With dead ends: 347 [2021-11-21 00:37:18,117 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 00:37:18,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:18,125 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:18,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:37:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 00:37:18,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 00:37:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:37:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 00:37:18,192 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 00:37:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:18,192 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 00:37:18,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 00:37:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:37:18,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:18,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:18,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:37:18,197 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:37:18,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:18,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-21 00:37:18,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:18,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003308973] [2021-11-21 00:37:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:18,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:18,231 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:18,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016195432] [2021-11-21 00:37:18,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:18,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:18,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:18,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:18,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:37:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:18,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:37:18,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:18,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:37:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:19,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:19,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003308973] [2021-11-21 00:37:19,045 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:19,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016195432] [2021-11-21 00:37:19,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016195432] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:37:19,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [515375526] [2021-11-21 00:37:19,087 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 00:37:19,087 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:37:19,095 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:37:19,100 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:37:19,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:37:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:19,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:19,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:37:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:19,437 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:37:19,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:37:19,525 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:37:19,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:37:19,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:37:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:19,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:21,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:37:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:37:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:21,428 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:37:21,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:37:21,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:21,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:21,563 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:37:21,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:37:21,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:21,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:37:21,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:37:22,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:37:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:37:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:22,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:23,052 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:37:23,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [515375526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:23,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:37:23,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 00:37:23,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720063352] [2021-11-21 00:37:23,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:23,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:37:23,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:23,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:37:23,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:37:23,668 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:28,571 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 00:37:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:37:28,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 00:37:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:28,575 INFO L225 Difference]: With dead ends: 265 [2021-11-21 00:37:28,575 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 00:37:28,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:37:28,578 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:28,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-21 00:37:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 00:37:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 00:37:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:37:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 00:37:28,601 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 00:37:28,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:28,602 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 00:37:28,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 00:37:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:37:28,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:28,606 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:28,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:37:28,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:28,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:37:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-21 00:37:28,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:28,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199025628] [2021-11-21 00:37:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:28,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:28,865 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:28,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472939758] [2021-11-21 00:37:28,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:28,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:28,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:28,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:28,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:37:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:29,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:37:29,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:37:29,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:37:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:37:29,534 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:29,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199025628] [2021-11-21 00:37:29,534 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:29,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472939758] [2021-11-21 00:37:29,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472939758] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:37:29,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217031003] [2021-11-21 00:37:29,539 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:37:29,539 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:37:29,540 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:37:29,540 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:37:29,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:37:29,781 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:37:29,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:37:29,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:37:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:29,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:29,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:29,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:37:29,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:37:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:31,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:37:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:37:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:37:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:37:31,624 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:37:31,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:37:31,676 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:37:31,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:37:31,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:37:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:31,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:37:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:32,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:32,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:32,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:37:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:32,680 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:37:32,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:37:32,748 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:37:32,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:37:32,821 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:37:32,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:37:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:37:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:37:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:37:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:37:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:37:34,707 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:37:34,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:37:34,763 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:37:34,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:37:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:37:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:34,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:37:35,685 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 00:37:35,974 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:37:37,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1217031003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:37,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:37:37,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 00:37:37,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374836381] [2021-11-21 00:37:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:37,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 00:37:37,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:37,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 00:37:37,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:37:37,187 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:37:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:39,553 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 00:37:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:37:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 00:37:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:39,556 INFO L225 Difference]: With dead ends: 267 [2021-11-21 00:37:39,556 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 00:37:39,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:37:39,559 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:39,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 2.3s Time] [2021-11-21 00:37:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 00:37:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 00:37:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 00:37:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 00:37:39,599 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 00:37:39,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:39,600 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 00:37:39,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:37:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 00:37:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:37:39,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:39,604 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:39,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 00:37:39,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:39,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:37:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-21 00:37:39,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:39,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571648541] [2021-11-21 00:37:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:39,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:39,825 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:39,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061244498] [2021-11-21 00:37:39,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:39,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:39,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:39,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99e1af5-e8ae-4655-8598-926b53d07872/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:37:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:40,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:37:40,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:37:40,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:37:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:37:40,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:40,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571648541] [2021-11-21 00:37:40,497 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:40,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061244498] [2021-11-21 00:37:40,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061244498] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:37:40,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1230619040] [2021-11-21 00:37:40,502 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:37:40,502 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:37:40,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:37:40,503 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:37:40,503 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:37:40,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:40,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:37:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:40,677 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:37:40,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:37:40,760 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:37:40,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:37:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:40,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:40,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:40,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:37:40,862 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:37:40,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:37:42,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:42,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:37:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:37:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:42,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:37:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:37:42,769 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:37:42,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:37:42,824 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:37:42,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:37:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:42,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:37:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:37:43,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:37:43,451 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 14 treesize of output 10 [2021-11-21 00:37:43,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:37:43,492 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:37:43,493 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 98 treesize of output 97 [2021-11-21 00:37:43,517 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:37:43,518 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 94 treesize of output 93 [2021-11-21 00:37:43,538 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:37:43,538 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 90 treesize of output 89 [2021-11-21 00:37:43,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:37:43,598 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 16 treesize of output 12 [2021-11-21 00:37:43,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:37:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:37:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 26 [2021-11-21 00:37:43,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 46 treesize of output 16 [2021-11-21 00:37:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 26 [2021-11-21 00:37:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:37:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:44,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 46 treesize of output 16 [2021-11-21 00:37:53,296 WARN L227 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:37:53,296 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:37:53,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 00:37:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:05,287 WARN L227 SmtUtils]: Spent 11.96s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:38:05,288 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:38:05,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 00:38:18,849 WARN L227 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:38:18,850 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:38:18,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 00:38:19,641 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:38:19,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 00:38:20,655 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:38:20,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 00:38:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:23,459 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:38:23,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:38:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:24,793 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:38:24,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44