./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:30:53,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:30:54,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:30:54,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:30:54,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:30:54,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:30:54,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:30:54,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:30:54,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:30:54,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:30:54,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:30:54,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:30:54,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:30:54,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:30:54,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:30:54,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:30:54,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:30:54,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:30:54,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:30:54,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:30:54,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:30:54,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:30:54,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:30:54,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:30:54,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:30:54,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:30:54,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:30:54,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:30:54,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:30:54,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:30:54,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:30:54,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:30:54,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:30:54,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:30:54,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:30:54,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:30:54,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:30:54,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:30:54,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:30:54,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:30:54,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:30:54,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:30:54,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:30:54,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:30:54,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:30:54,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:30:54,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:30:54,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:30:54,167 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:30:54,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:30:54,168 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:30:54,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:30:54,168 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:30:54,168 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:30:54,169 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:30:54,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:30:54,169 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:30:54,169 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:30:54,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:30:54,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:30:54,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:30:54,172 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:30:54,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:30:54,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:30:54,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:30:54,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:30:54,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:30:54,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:30:54,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:30:54,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:30:54,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:30:54,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:30:54,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:30:54,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:30:54,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:30:54,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:30:54,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:30:54,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:30:54,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:30:54,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:30:54,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:30:54,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:30:54,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:30:54,180 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_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad [2021-11-25 20:30:54,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:30:54,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:30:54,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:30:54,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:30:54,518 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:30:54,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2021-11-25 20:30:54,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/data/549e1b65a/36593a588f76469d8c202ac65872c9c4/FLAGc2427a0ac [2021-11-25 20:30:55,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:30:55,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2021-11-25 20:30:55,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/data/549e1b65a/36593a588f76469d8c202ac65872c9c4/FLAGc2427a0ac [2021-11-25 20:30:55,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/data/549e1b65a/36593a588f76469d8c202ac65872c9c4 [2021-11-25 20:30:55,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:30:55,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:30:55,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:55,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:30:55,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:30:55,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:55" (1/1) ... [2021-11-25 20:30:55,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234e0125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:55, skipping insertion in model container [2021-11-25 20:30:55,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:55" (1/1) ... [2021-11-25 20:30:55,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:30:55,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:30:56,161 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_f0e6e14a-5517-4a06-ab04-d98393f49812/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2021-11-25 20:30:56,410 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_f0e6e14a-5517-4a06-ab04-d98393f49812/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2021-11-25 20:30:56,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:30:56,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:30:56,469 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_f0e6e14a-5517-4a06-ab04-d98393f49812/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2021-11-25 20:30:56,530 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_f0e6e14a-5517-4a06-ab04-d98393f49812/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2021-11-25 20:30:56,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:30:56,601 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:30:56,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56 WrapperNode [2021-11-25 20:30:56,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:56,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:30:56,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:30:56,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:30:56,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,833 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-25 20:30:56,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:30:56,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:30:56,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:30:56,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:30:56,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:56,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:30:56,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:30:57,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:30:57,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:30:57,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (1/1) ... [2021-11-25 20:30:57,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:30:57,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:57,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:30:57,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:30:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:30:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:30:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:30:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:30:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:30:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:30:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:30:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:30:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:30:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:30:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:30:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:30:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:30:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:30:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:30:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:30:57,411 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:30:57,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:30:58,896 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:30:59,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:30:59,485 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-25 20:30:59,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:30:59 BoogieIcfgContainer [2021-11-25 20:30:59,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:30:59,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:30:59,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:30:59,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:30:59,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:30:55" (1/3) ... [2021-11-25 20:30:59,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33196641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:30:59, skipping insertion in model container [2021-11-25 20:30:59,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:56" (2/3) ... [2021-11-25 20:30:59,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33196641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:30:59, skipping insertion in model container [2021-11-25 20:30:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:30:59" (3/3) ... [2021-11-25 20:30:59,498 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-2.i [2021-11-25 20:30:59,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:30:59,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:30:59,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:30:59,567 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:30:59,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:30:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:30:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 20:30:59,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:59,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 20:30:59,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:59,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-25 20:30:59,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:59,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149398396] [2021-11-25 20:30:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:59,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:30:59,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:59,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149398396] [2021-11-25 20:30:59,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149398396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:59,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:59,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:30:59,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716322168] [2021-11-25 20:30:59,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:59,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:30:59,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:59,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:30:59,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:59,854 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:31:02,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:02,081 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-25 20:31:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:31:02,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-25 20:31:02,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:02,106 INFO L225 Difference]: With dead ends: 469 [2021-11-25 20:31:02,106 INFO L226 Difference]: Without dead ends: 290 [2021-11-25 20:31:02,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:31:02,115 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:02,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 20:31:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-25 20:31:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-25 20:31:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:31:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-25 20:31:02,206 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-25 20:31:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:02,206 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-25 20:31:02,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:31:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-25 20:31:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 20:31:02,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:02,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:02,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:31:02,213 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:02,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:02,214 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-25 20:31:02,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:02,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592354574] [2021-11-25 20:31:02,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:31:02,441 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:31:02,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968450245] [2021-11-25 20:31:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:02,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:31:02,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:31:02,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:31:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:31:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:31:03,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:31:03,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:31:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:31:03,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:31:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:31:04,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:31:04,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592354574] [2021-11-25 20:31:04,094 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:31:04,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968450245] [2021-11-25 20:31:04,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968450245] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:31:04,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1781126128] [2021-11-25 20:31:04,143 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-25 20:31:04,149 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:31:04,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:31:04,164 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:31:04,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:31:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,404 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:31:04,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:31:04,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:31:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,534 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:31:04,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:31:04,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 20:31:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:31:04,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:31:04,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:04,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:31:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:31:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:05,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:31:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:05,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:31:05,793 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:31:07,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1781126128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:31:07,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:31:07,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:31:07,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611697323] [2021-11-25 20:31:07,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:31:07,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:31:07,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:31:07,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:31:07,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:31:07,132 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:31:10,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:31:10,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:10,756 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-25 20:31:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:31:10,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-25 20:31:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:10,760 INFO L225 Difference]: With dead ends: 313 [2021-11-25 20:31:10,760 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 20:31:10,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:31:10,763 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:10,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 20:31:10,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 20:31:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-25 20:31:10,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:31:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-25 20:31:10,784 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-25 20:31:10,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:10,785 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-25 20:31:10,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:31:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-25 20:31:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 20:31:10,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:10,790 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:10,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:31:11,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:31:11,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:11,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-25 20:31:11,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:11,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127491241] [2021-11-25 20:31:11,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:11,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:31:11,189 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:31:11,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067341023] [2021-11-25 20:31:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:11,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:31:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:31:11,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:31:11,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:31:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:31:12,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:31:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:31:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:31:12,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:31:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:31:12,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:31:12,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127491241] [2021-11-25 20:31:12,695 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:31:12,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067341023] [2021-11-25 20:31:12,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067341023] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:31:12,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1485490268] [2021-11-25 20:31:12,700 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 20:31:12,701 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:31:12,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:31:12,701 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:31:12,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:31:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,823 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:31:12,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:31:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:31:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,906 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:31:12,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:31:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:31:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,968 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:31:12,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 20:31:12,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:12,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,020 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:31:13,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:31:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:31:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:31:13,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:31:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,728 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:31:13,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:31:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:31:13,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:13,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:31:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:31:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:31:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:14,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:31:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:31:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:31:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:14,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 20:31:14,850 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 113 for LOIs [2021-11-25 20:31:14,936 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:31:17,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1485490268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:31:17,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:31:17,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:31:17,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511289018] [2021-11-25 20:31:17,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:31:17,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:31:17,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:31:17,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:31:17,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:31:17,738 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:31:23,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:31:27,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:31:28,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:31:28,402 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-25 20:31:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:31:28,402 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-25 20:31:28,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:31:28,404 INFO L225 Difference]: With dead ends: 315 [2021-11-25 20:31:28,405 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 20:31:28,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:31:28,407 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:31:28,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 313 Invalid, 1 Unknown, 81 Unchecked, 10.6s Time] [2021-11-25 20:31:28,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 20:31:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 20:31:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 20:31:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-25 20:31:28,428 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-25 20:31:28,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:31:28,428 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-25 20:31:28,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:31:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-25 20:31:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 20:31:28,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:31:28,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:31:28,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:31:28,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:31:28,645 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:31:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:31:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-25 20:31:28,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:31:28,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059326866] [2021-11-25 20:31:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:28,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:31:28,793 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:31:28,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811689512] [2021-11-25 20:31:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:31:28,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:31:28,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:31:28,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:31:28,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e6e14a-5517-4a06-ab04-d98393f49812/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:31:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:31:29,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:31:29,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:31:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:31:30,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:31:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:31:30,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:31:30,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059326866] [2021-11-25 20:31:30,341 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:31:30,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811689512] [2021-11-25 20:31:30,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811689512] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:31:30,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2031116757] [2021-11-25 20:31:30,346 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 20:31:30,346 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:31:30,347 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:31:30,347 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:31:30,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:31:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,493 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:31:30,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:31:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:31:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,575 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:31:30,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:31:30,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:31:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,644 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:31:30,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:31:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:31:30,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:31:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:31:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:31:31,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:31:31,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:31:31,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:31:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:31:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:31:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:31:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 20:31:31,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 20:31:31,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:31:31,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:31:31,503 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:31:31,504 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 57 treesize of output 60 [2021-11-25 20:31:31,537 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:31:31,537 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 51 treesize of output 54 [2021-11-25 20:31:31,569 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:31:31,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 20:31:31,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:31:31,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:31:31,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:31:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:31:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:31:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:31:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:31:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:31:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:31,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:31:39,747 WARN L227 SmtUtils]: Spent 7.71s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:31:39,747 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:31:39,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:31:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:50,888 WARN L227 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:31:50,888 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:31:50,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:31:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:51,501 INFO L244 Elim1Store]: Index analysis took 450 ms [2021-11-25 20:32:03,000 WARN L227 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:32:03,001 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:32:03,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:32:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,478 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 20:32:03,493 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:32:03,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:32:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:03,851 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-25 20:32:03,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 20:32:04,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:32:04,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:32:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:04,473 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:32:04,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:32:04,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:32:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:32:04,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:32:04,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63