./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.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_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/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_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/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_2fda486e-5c70-431d-b80f-988fb9c23b1b/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 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:16:52,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:16:52,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:16:52,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:16:52,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:16:52,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:16:52,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:16:52,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:16:52,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:16:52,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:16:52,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:16:52,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:16:52,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:16:52,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:16:52,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:16:52,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:16:52,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:16:52,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:16:52,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:16:52,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:16:52,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:16:52,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:16:52,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:16:52,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:16:52,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:16:53,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:16:53,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:16:53,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:16:53,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:16:53,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:16:53,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:16:53,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:16:53,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:16:53,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:16:53,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:16:53,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:16:53,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:16:53,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:16:53,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:16:53,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:16:53,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:16:53,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:16:53,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:16:53,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:16:53,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:16:53,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:16:53,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:16:53,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:16:53,069 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:16:53,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:16:53,069 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:16:53,069 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:16:53,070 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:16:53,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:16:53,071 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:16:53,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:16:53,071 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:16:53,071 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:16:53,072 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:16:53,072 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:16:53,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:16:53,073 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:16:53,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:16:53,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:16:53,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:16:53,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:16:53,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:16:53,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:16:53,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:16:53,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:16:53,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:16:53,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:16:53,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:16:53,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:16:53,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:53,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:16:53,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:16:53,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:16:53,079 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:16:53,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:16:53,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:16:53,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:16:53,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:16:53,080 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_2fda486e-5c70-431d-b80f-988fb9c23b1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c [2021-11-21 01:16:53,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:16:53,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:16:53,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:16:53,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:16:53,391 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:16:53,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2021-11-21 01:16:53,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/data/5a57153d3/48f8e5f016a148268ec851ae5c2bfd3f/FLAGade252b5f [2021-11-21 01:16:54,079 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:16:54,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2021-11-21 01:16:54,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/data/5a57153d3/48f8e5f016a148268ec851ae5c2bfd3f/FLAGade252b5f [2021-11-21 01:16:54,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/data/5a57153d3/48f8e5f016a148268ec851ae5c2bfd3f [2021-11-21 01:16:54,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:16:54,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:16:54,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:54,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:16:54,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:16:54,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:54" (1/1) ... [2021-11-21 01:16:54,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4762f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:54, skipping insertion in model container [2021-11-21 01:16:54,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:54" (1/1) ... [2021-11-21 01:16:54,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:16:54,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:16:54,953 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_2fda486e-5c70-431d-b80f-988fb9c23b1b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2021-11-21 01:16:55,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:55,119 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:16:55,148 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_2fda486e-5c70-431d-b80f-988fb9c23b1b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2021-11-21 01:16:55,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:55,332 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:16:55,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55 WrapperNode [2021-11-21 01:16:55,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:55,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:55,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:16:55,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:16:55,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,468 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-21 01:16:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:55,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:16:55,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:16:55,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:16:55,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:16:55,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:16:55,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:16:55,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:16:55,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (1/1) ... [2021-11-21 01:16:55,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:16:55,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:16:55,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:16:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:16:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:16:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:16:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:16:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:16:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:16:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:16:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:16:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:16:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:16:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:16:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:16:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:16:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:16:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:16:56,062 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:16:56,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:16:57,342 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:16:57,846 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:16:57,846 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-21 01:16:57,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:16:57 BoogieIcfgContainer [2021-11-21 01:16:57,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:16:57,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:16:57,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:16:57,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:16:57,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:16:54" (1/3) ... [2021-11-21 01:16:57,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e29205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:16:57, skipping insertion in model container [2021-11-21 01:16:57,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:55" (2/3) ... [2021-11-21 01:16:57,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e29205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:16:57, skipping insertion in model container [2021-11-21 01:16:57,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:16:57" (3/3) ... [2021-11-21 01:16:57,860 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-2.i [2021-11-21 01:16:57,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:16:57,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:16:57,940 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:16:57,956 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 01:16:57,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:16:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:16:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:16:57,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:16:57,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:16:57,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:16:57,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:16:57,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-21 01:16:58,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:16:58,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220440797] [2021-11-21 01:16:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:16:58,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:16:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:16:58,172 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 01:16:58,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:16:58,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220440797] [2021-11-21 01:16:58,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220440797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:16:58,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:16:58,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:16:58,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048680517] [2021-11-21 01:16:58,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:16:58,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:16:58,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:16:58,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:16:58,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:16:58,211 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:17:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:00,244 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-21 01:17:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:17:00,250 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 01:17:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:00,263 INFO L225 Difference]: With dead ends: 375 [2021-11-21 01:17:00,263 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:17:00,268 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 01:17:00,271 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:00,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:17:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:17:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:17:00,327 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 01:17:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:17:00,332 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:17:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:00,332 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:17:00,333 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 01:17:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:17:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:17:00,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:00,337 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 01:17:00,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:17:00,338 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:17:00,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:00,339 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-21 01:17:00,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:00,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100494662] [2021-11-21 01:17:00,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:00,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:00,369 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:00,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298752194] [2021-11-21 01:17:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:00,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:00,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:00,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:00,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:17:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:00,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:17:00,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:00,971 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 01:17:00,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:17:01,158 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 01:17:01,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:01,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100494662] [2021-11-21 01:17:01,159 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:01,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298752194] [2021-11-21 01:17:01,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298752194] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:17:01,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2002511172] [2021-11-21 01:17:01,208 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:17:01,209 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:17:01,216 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:17:01,221 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:17:01,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:17:01,551 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:01,552 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 01:17:01,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 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 01:17:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:01,645 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 22 treesize of output 7 [2021-11-21 01:17:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:01,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:01,663 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 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:17:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:01,699 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 22 treesize of output 7 [2021-11-21 01:17:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:02,961 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 01:17:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,007 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 01:17:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,040 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 01:17:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,153 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 01:17:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,259 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:17:03,260 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 01:17:03,307 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:17:03,307 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 01:17:03,374 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:03,375 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 01:17:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 01:17:03,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:03,473 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 22 treesize of output 7 [2021-11-21 01:17:04,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,639 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 01:17:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,658 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 01:17:04,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,714 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 01:17:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:04,787 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 01:17:04,834 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:17:05,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2002511172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:05,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:17:05,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:17:05,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547901506] [2021-11-21 01:17:05,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:05,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:17:05,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:17:05,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:17:05,385 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 01:17:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:08,717 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:17:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:17:08,718 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 01:17:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:08,720 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:17:08,720 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:17:08,723 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 01:17:08,724 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:08,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:17:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:17:08,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:17:08,740 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 01:17:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:17:08,742 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:17:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:08,743 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:17:08,743 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 01:17:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:17:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:17:08,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:08,746 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 01:17:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:08,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 01:17:08,968 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:17:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:08,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-21 01:17:08,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:08,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972289094] [2021-11-21 01:17:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:08,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:08,990 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:08,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869955015] [2021-11-21 01:17:08,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:08,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:08,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:08,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:09,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:17:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:09,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:17:09,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:09,468 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 01:17:09,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:17:09,657 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 01:17:09,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:09,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972289094] [2021-11-21 01:17:09,658 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:09,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869955015] [2021-11-21 01:17:09,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869955015] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:17:09,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2127164497] [2021-11-21 01:17:09,680 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:17:09,680 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:17:09,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:17:09,681 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:17:09,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:17:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:09,911 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 01:17:09,946 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:17:09,947 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 01:17:09,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:09,974 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 01:17:10,014 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:10,015 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 01:17:10,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:10,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:10,047 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 01:17:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,118 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 01:17:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,170 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 01:17:11,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,197 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 01:17:11,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,266 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 01:17:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,345 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 01:17:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,412 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 01:17:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,469 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 01:17:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,497 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 01:17:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,635 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 01:17:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,693 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:17:11,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:17:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,767 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 01:17:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,819 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:17:11,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 01:17:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:11,881 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-21 01:17:11,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 01:17:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:12,604 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 01:17:12,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:12,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:12,635 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:17:12,636 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 01:17:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:12,684 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 01:17:12,726 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:12,727 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 01:17:12,769 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 01:17:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,883 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 01:17:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,906 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 01:17:13,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,948 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 01:17:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:13,971 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 01:17:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,051 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 01:17:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,122 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 01:17:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,183 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 01:17:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,310 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:17:14,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:17:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,370 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 01:17:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,425 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 01:17:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,521 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:17:14,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:17:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:14,578 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:17:14,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:17:15,387 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:17:15,680 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:17:16,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2127164497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:16,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:17:16,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:17:16,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206510652] [2021-11-21 01:17:16,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:16,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:17:16,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:17:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:17:16,690 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 01:17:19,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:21,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:17:23,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:23,246 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:17:23,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:17:23,246 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 01:17:23,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:23,248 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:17:23,248 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:17:23,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:17:23,250 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:23,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 6.5s Time] [2021-11-21 01:17:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:17:23,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:17:23,271 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 01:17:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:17:23,273 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:17:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:23,273 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:17:23,274 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 01:17:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:17:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:17:23,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:23,277 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 01:17:23,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:23,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:23,495 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:17:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:23,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-21 01:17:23,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:23,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466964103] [2021-11-21 01:17:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:23,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:23,524 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:23,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649822830] [2021-11-21 01:17:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:23,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:23,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:23,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:23,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fda486e-5c70-431d-b80f-988fb9c23b1b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:17:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:23,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:17:23,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:23,978 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 01:17:23,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:17:24,146 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 01:17:24,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:24,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466964103] [2021-11-21 01:17:24,147 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:24,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649822830] [2021-11-21 01:17:24,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649822830] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:17:24,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1934407170] [2021-11-21 01:17:24,153 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:17:24,153 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:17:24,154 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:17:24,154 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:17:24,155 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:17:24,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:24,303 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 01:17:24,338 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:17:24,339 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 01:17:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:24,377 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 22 treesize of output 7 [2021-11-21 01:17:24,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 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 01:17:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:24,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:24,407 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 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:17:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,377 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 01:17:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,433 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 01:17:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,459 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 01:17:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,475 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 01:17:25,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 01:17:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,597 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 01:17:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,639 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 01:17:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,665 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 01:17:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,812 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 01:17:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,857 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:17:25,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:17:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,894 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 01:17:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:25,965 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:17:25,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:17:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,013 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:17:26,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:17:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:17:26,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:26,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:26,661 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:17:26,661 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 85 treesize of output 88 [2021-11-21 01:17:26,685 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:17:26,686 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 88 treesize of output 91 [2021-11-21 01:17:26,712 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:17:26,712 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 91 treesize of output 94 [2021-11-21 01:17:26,831 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 01:17:26,842 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 01:17:26,852 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 01:17:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,923 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 01:17:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:26,945 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 01:17:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,065 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 01:17:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,293 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 01:17:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,374 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 01:17:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,411 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 01:17:33,877 WARN L227 SmtUtils]: Spent 6.35s 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 01:17:33,877 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:17:33,878 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 01:17:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:44,764 WARN L227 SmtUtils]: Spent 10.85s 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 01:17:44,764 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:17:44,765 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 01:17:57,413 WARN L227 SmtUtils]: Spent 12.54s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:17:57,414 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:17:57,415 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 2906 treesize of output 2676 [2021-11-21 01:17:58,200 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:17:58,201 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 25944 treesize of output 25955 [2021-11-21 01:17:58,992 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:17:58,992 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 25943 treesize of output 25955 [2021-11-21 01:18:00,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:18:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:01,026 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:18:01,026 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 50 treesize of output 32 [2021-11-21 01:18:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:18:01,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:18:01,515 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 51 treesize of output 61