./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:54,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:54,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:54,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:54,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:54,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:54,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:54,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:54,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:54,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:54,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:54,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:54,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:54,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:54,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:54,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:54,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:54,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:54,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:54,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:54,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:54,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:54,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:54,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:54,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:54,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:54,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:54,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:54,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:54,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:54,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:54,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:54,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:54,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:54,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:54,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:54,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:54,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:54,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:54,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:54,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:54,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:12:54,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:54,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:54,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:54,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:54,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:54,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:54,264 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:54,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:54,265 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:54,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:54,266 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:54,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:54,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:54,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:54,267 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:54,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:54,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:54,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:54,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:54,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:12:54,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:54,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:12:54,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:54,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:12:54,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:54,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:12:54,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:12:54,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:12:54,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:54,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:12:54,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:54,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:54,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:54,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:54,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:54,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:12:54,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:54,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:54,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:12:54,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:54,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:54,274 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_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b [2021-11-20 23:12:54,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:54,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:54,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:54,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:54,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:54,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-11-20 23:12:54,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/data/9234efd93/751ba1cecd174c72a526eecb684b576e/FLAG8ff9519d9 [2021-11-20 23:12:55,202 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:55,203 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-11-20 23:12:55,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/data/9234efd93/751ba1cecd174c72a526eecb684b576e/FLAG8ff9519d9 [2021-11-20 23:12:55,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/data/9234efd93/751ba1cecd174c72a526eecb684b576e [2021-11-20 23:12:55,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:55,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:55,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:55,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:55,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:55,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:55" (1/1) ... [2021-11-20 23:12:55,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbb6098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:55, skipping insertion in model container [2021-11-20 23:12:55,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:55" (1/1) ... [2021-11-20 23:12:55,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:55,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:56,051 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_35afa763-1e45-43a2-baa7-f514555edf96/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2021-11-20 23:12:56,194 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_35afa763-1e45-43a2-baa7-f514555edf96/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2021-11-20 23:12:56,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:56,226 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:12:56,268 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_35afa763-1e45-43a2-baa7-f514555edf96/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2021-11-20 23:12:56,379 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_35afa763-1e45-43a2-baa7-f514555edf96/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2021-11-20 23:12:56,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:56,450 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:12:56,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56 WrapperNode [2021-11-20 23:12:56,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:56,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:56,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:12:56,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:12:56,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,631 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-20 23:12:56,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:56,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:12:56,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:12:56,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:12:56,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:12:56,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:12:56,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:12:56,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:12:56,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:56,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:56,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:12:56,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:12:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:12:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:12:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:12:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:12:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:12:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:12:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:12:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:12:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:12:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:12:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:12:57,196 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:12:57,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:12:58,732 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:12:59,250 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:12:59,251 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-20 23:12:59,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:12:59 BoogieIcfgContainer [2021-11-20 23:12:59,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:12:59,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:12:59,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:12:59,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:12:59,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:12:55" (1/3) ... [2021-11-20 23:12:59,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d1226e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:12:59, skipping insertion in model container [2021-11-20 23:12:59,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56" (2/3) ... [2021-11-20 23:12:59,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d1226e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:12:59, skipping insertion in model container [2021-11-20 23:12:59,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:12:59" (3/3) ... [2021-11-20 23:12:59,264 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-2.i [2021-11-20 23:12:59,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:12:59,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:12:59,363 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:12:59,378 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 [2021-11-20 23:12:59,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:12:59,409 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) [2021-11-20 23:12:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 23:12:59,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:59,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 23:12:59,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-20 23:12:59,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:59,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359659964] [2021-11-20 23:12:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:59,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:12:59,625 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:12:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359659964] [2021-11-20 23:12:59,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359659964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:12:59,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:12:59,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:12:59,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202861427] [2021-11-20 23:12:59,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:12:59,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:12:59,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:12:59,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:12:59,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:12:59,675 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) [2021-11-20 23:13:01,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:01,756 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-20 23:13:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:13:01,767 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 [2021-11-20 23:13:01,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:01,780 INFO L225 Difference]: With dead ends: 469 [2021-11-20 23:13:01,781 INFO L226 Difference]: Without dead ends: 290 [2021-11-20 23:13:01,791 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 [2021-11-20 23:13:01,795 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:01,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 23:13:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-20 23:13:01,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-20 23:13:01,857 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) [2021-11-20 23:13:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-20 23:13:01,862 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-20 23:13:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:01,863 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-20 23:13:01,863 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) [2021-11-20 23:13:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-20 23:13:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 23:13:01,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:01,868 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] [2021-11-20 23:13:01,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:13:01,869 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:01,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-20 23:13:01,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:01,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334476833] [2021-11-20 23:13:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:01,900 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:01,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968341218] [2021-11-20 23:13:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:01,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:01,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:01,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:13:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:02,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:13:02,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:02,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:02,655 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:02,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334476833] [2021-11-20 23:13:02,656 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:02,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968341218] [2021-11-20 23:13:02,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968341218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:02,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1779229892] [2021-11-20 23:13:02,679 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-20 23:13:02,679 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:02,684 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:02,689 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:02,689 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:02,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:02,878 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:13:02,879 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 [2021-11-20 23:13:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:02,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:13:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,029 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 [2021-11-20 23:13:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,066 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:13:03,067 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 [2021-11-20 23:13:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,155 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:13:03,156 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 [2021-11-20 23:13:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:13:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:03,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:13:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:13:04,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:04,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:13:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:13:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:13:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:06,335 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:13:07,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1779229892] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:07,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:13:07,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 23:13:07,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86678923] [2021-11-20 23:13:07,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:07,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:13:07,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:07,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:13:07,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:13:07,004 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) [2021-11-20 23:13:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:09,743 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-20 23:13:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:13:09,744 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 [2021-11-20 23:13:09,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:09,746 INFO L225 Difference]: With dead ends: 313 [2021-11-20 23:13:09,747 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:13:09,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:13:09,750 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:09,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-20 23:13:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:13:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-20 23:13:09,767 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) [2021-11-20 23:13:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-20 23:13:09,769 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-20 23:13:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:09,769 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-20 23:13:09,769 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) [2021-11-20 23:13:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-20 23:13:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 23:13:09,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:09,773 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] [2021-11-20 23:13:09,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:09,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:09,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-20 23:13:09,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:09,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031263835] [2021-11-20 23:13:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:09,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:10,015 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439006591] [2021-11-20 23:13:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:10,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:10,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:10,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:13:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:10,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:13:10,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:13:10,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:13:10,745 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:10,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031263835] [2021-11-20 23:13:10,746 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:10,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439006591] [2021-11-20 23:13:10,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439006591] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:10,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1634421349] [2021-11-20 23:13:10,764 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 23:13:10,764 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:10,765 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:10,765 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:10,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:10,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:10,934 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:13:10,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-11-20 23:13:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:10,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:13:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,015 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 [2021-11-20 23:13:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,048 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:13:11,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:13:11,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,095 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 [2021-11-20 23:13:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,146 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:13:11,147 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 [2021-11-20 23:13:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:11,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:11,185 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 [2021-11-20 23:13:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:13:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:13:12,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:12,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:13:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:12,976 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:12,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:13:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:13:13,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:13:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,232 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:13:13,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:13:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:13,293 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:13:13,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:13:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:13:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:13:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:13:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:13:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,596 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:13:15,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:13:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,721 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:13:15,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:13:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:13:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:15,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:13:16,702 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-20 23:13:16,988 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:13:18,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1634421349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:18,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:13:18,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 23:13:18,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862749788] [2021-11-20 23:13:18,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:18,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:13:18,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:18,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:13:18,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:13:18,240 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) [2021-11-20 23:13:21,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:13:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:24,224 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-20 23:13:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:13:24,224 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 [2021-11-20 23:13:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:24,226 INFO L225 Difference]: With dead ends: 315 [2021-11-20 23:13:24,226 INFO L226 Difference]: Without dead ends: 166 [2021-11-20 23:13:24,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:13:24,228 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:24,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 6.0s Time] [2021-11-20 23:13:24,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-20 23:13:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-20 23:13:24,243 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) [2021-11-20 23:13:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-20 23:13:24,245 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-20 23:13:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:24,246 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-20 23:13:24,246 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) [2021-11-20 23:13:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-20 23:13:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 23:13:24,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:24,250 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] [2021-11-20 23:13:24,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:13:24,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:13:24,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-20 23:13:24,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:24,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770963965] [2021-11-20 23:13:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:24,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:24,493 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:24,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296324635] [2021-11-20 23:13:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:24,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:24,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:24,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35afa763-1e45-43a2-baa7-f514555edf96/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:13:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:24,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:13:24,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:13:24,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:13:25,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770963965] [2021-11-20 23:13:25,112 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296324635] [2021-11-20 23:13:25,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296324635] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1418068340] [2021-11-20 23:13:25,116 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 23:13:25,116 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:25,117 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:25,117 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:25,117 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:25,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,231 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:13:25,231 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 [2021-11-20 23:13:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:13:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,351 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:13:25,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:13:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,426 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:13:25,426 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 [2021-11-20 23:13:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:25,467 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 [2021-11-20 23:13:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-20 23:13:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,506 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 [2021-11-20 23:13:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:13:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:13:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:13:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:26,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:13:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:13:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,154 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:27,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:13:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:13:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,325 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:13:27,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:13:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,413 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-20 23:13:27,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:13:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:27,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:13:27,907 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 [2021-11-20 23:13:27,913 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 [2021-11-20 23:13:27,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:13:27,980 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:13:27,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:13:28,007 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:13:28,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:13:28,031 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:13:28,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:13:28,129 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 [2021-11-20 23:13:28,138 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 [2021-11-20 23:13:28,145 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 [2021-11-20 23:13:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:13:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:13:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:13:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:13:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:13:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:28,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:13:36,893 WARN L227 SmtUtils]: Spent 7.91s 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) [2021-11-20 23:13:36,894 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:13:36,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:13:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,340 WARN L227 SmtUtils]: Spent 10.39s 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) [2021-11-20 23:13:47,340 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:13:47,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:13:58,651 WARN L227 SmtUtils]: Spent 11.22s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:13:58,652 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:13:58,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-20 23:13:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,659 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:13:59,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-20 23:13:59,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,657 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:14:00,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-20 23:14:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:02,371 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:14:02,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-20 23:14:02,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:02,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:03,626 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:14:03,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44