./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur --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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:09:45,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:09:45,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:09:45,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:09:45,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:09:45,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:09:45,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:09:45,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:09:45,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:09:45,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:09:45,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:09:45,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:09:45,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:09:45,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:09:45,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:09:45,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:09:45,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:09:45,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:09:45,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:09:45,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:09:45,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:09:45,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:09:45,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:09:45,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:09:45,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:09:45,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:09:45,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:09:45,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:09:45,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:09:45,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:09:45,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:09:45,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:09:45,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:09:45,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:09:45,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:09:45,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:09:45,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:09:45,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:09:45,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:09:45,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:09:45,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:09:45,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 01:09:45,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:09:45,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:09:45,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:09:45,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:09:45,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:09:45,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:09:45,384 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:09:45,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:09:45,384 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:09:45,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:09:45,386 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:09:45,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:09:45,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:09:45,387 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:09:45,388 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:09:45,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:09:45,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:09:45,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:09:45,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:09:45,391 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:09:45,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:09:45,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:09:45,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:09:45,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:09:45,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:09:45,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:09:45,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:09:45,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:09:45,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:09:45,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:09:45,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:09:45,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:09:45,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:45,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:09:45,404 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:09:45,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:09:45,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:09:45,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:09:45,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:09:45,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:09:45,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:09:45,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2022-11-26 01:09:45,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:09:45,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:09:45,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:09:45,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:09:45,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:09:45,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-26 01:09:49,378 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:09:49,790 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:09:49,791 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-26 01:09:49,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/data/6bb942862/0b307c8bfd31434c8a1ec1e5a71e3c71/FLAG1c7384c6f [2022-11-26 01:09:49,844 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/data/6bb942862/0b307c8bfd31434c8a1ec1e5a71e3c71 [2022-11-26 01:09:49,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:09:49,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:09:49,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:49,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:09:49,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:09:49,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:49" (1/1) ... [2022-11-26 01:09:49,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b776f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:49, skipping insertion in model container [2022-11-26 01:09:49,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:49" (1/1) ... [2022-11-26 01:09:49,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:09:49,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:09:50,516 WARN L237 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_ddf4651b-3fc0-4b5c-b195-52173681e28c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-26 01:09:50,706 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:50,710 WARN L237 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_ddf4651b-3fc0-4b5c-b195-52173681e28c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-26 01:09:50,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:50,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:09:50,771 WARN L237 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_ddf4651b-3fc0-4b5c-b195-52173681e28c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-26 01:09:50,860 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:50,874 WARN L237 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_ddf4651b-3fc0-4b5c-b195-52173681e28c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-26 01:09:50,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:50,962 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:09:50,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50 WrapperNode [2022-11-26 01:09:50,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:50,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:50,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:09:50,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:09:50,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,115 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-26 01:09:51,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:51,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:09:51,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:09:51,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:09:51,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:09:51,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:09:51,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:09:51,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:09:51,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (1/1) ... [2022-11-26 01:09:51,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:51,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:51,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:09:51,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:09:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:09:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:09:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:09:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 01:09:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:09:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:09:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:09:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 01:09:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 01:09:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:09:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:09:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:09:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:09:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:09:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:09:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:09:51,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:09:51,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:09:53,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:09:54,149 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:09:54,150 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-26 01:09:54,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:54 BoogieIcfgContainer [2022-11-26 01:09:54,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:09:54,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:09:54,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:09:54,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:09:54,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:09:49" (1/3) ... [2022-11-26 01:09:54,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb0055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:54, skipping insertion in model container [2022-11-26 01:09:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:50" (2/3) ... [2022-11-26 01:09:54,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb0055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:54, skipping insertion in model container [2022-11-26 01:09:54,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:54" (3/3) ... [2022-11-26 01:09:54,168 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2022-11-26 01:09:54,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:09:54,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:09:54,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:09:54,270 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23f97ee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:09:54,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:09:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 01:09:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:09:54,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:54,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:54,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-26 01:09:54,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:54,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458790597] [2022-11-26 01:09:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:09:54,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:54,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458790597] [2022-11-26 01:09:54,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458790597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:54,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:54,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:09:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067245177] [2022-11-26 01:09:54,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:54,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:09:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:54,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:09:54,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:09:54,557 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-26 01:09:55,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:55,122 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-26 01:09:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:09:55,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-11-26 01:09:55,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:55,143 INFO L225 Difference]: With dead ends: 217 [2022-11-26 01:09:55,143 INFO L226 Difference]: Without dead ends: 107 [2022-11-26 01:09:55,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:09:55,152 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:55,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 01:09:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-26 01:09:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-26 01:09:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 01:09:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-26 01:09:55,211 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-26 01:09:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:55,212 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-26 01:09:55,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-26 01:09:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-26 01:09:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:09:55,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:55,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:55,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:09:55,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:55,218 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-26 01:09:55,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:55,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335200546] [2022-11-26 01:09:55,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:55,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:09:55,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:55,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335200546] [2022-11-26 01:09:55,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335200546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:55,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:55,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:09:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503609838] [2022-11-26 01:09:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:55,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:09:55,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:55,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:09:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:09:55,960 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-26 01:09:58,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:59,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:59,115 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-26 01:09:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:59,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-26 01:09:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:59,126 INFO L225 Difference]: With dead ends: 222 [2022-11-26 01:09:59,126 INFO L226 Difference]: Without dead ends: 168 [2022-11-26 01:09:59,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:09:59,128 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:59,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 01:09:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-26 01:09:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-26 01:09:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 01:09:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-26 01:09:59,172 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-26 01:09:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:59,173 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-26 01:09:59,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-26 01:09:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-26 01:09:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 01:09:59,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:59,177 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 01:09:59,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:09:59,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:59,185 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-26 01:09:59,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:59,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533988324] [2022-11-26 01:09:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:59,407 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:59,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987022370] [2022-11-26 01:09:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:59,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:59,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:59,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:10:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:00,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:10:00,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:10:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:10:00,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:10:00,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:00,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533988324] [2022-11-26 01:10:00,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:10:00,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987022370] [2022-11-26 01:10:00,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987022370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:00,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:00,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:10:00,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011535784] [2022-11-26 01:10:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:00,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:10:00,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:00,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:10:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:10:00,557 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-26 01:10:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:01,517 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-26 01:10:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:10:01,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-26 01:10:01,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:01,526 INFO L225 Difference]: With dead ends: 260 [2022-11-26 01:10:01,526 INFO L226 Difference]: Without dead ends: 154 [2022-11-26 01:10:01,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:10:01,528 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:01,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 01:10:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-26 01:10:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-26 01:10:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 01:10:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-26 01:10:01,563 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-26 01:10:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:01,564 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-26 01:10:01,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-26 01:10:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-26 01:10:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 01:10:01,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:01,573 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:01,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:10:01,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:01,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:10:01,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-26 01:10:01,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:01,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714904029] [2022-11-26 01:10:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:01,871 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:10:01,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884887184] [2022-11-26 01:10:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:01,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:01,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:10:01,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:10:01,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:10:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:02,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:10:02,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:10:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:10:02,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:10:02,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:02,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714904029] [2022-11-26 01:10:02,727 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:10:02,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884887184] [2022-11-26 01:10:02,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884887184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:02,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:02,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494362341] [2022-11-26 01:10:02,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:02,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:02,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:02,732 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:03,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:03,398 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-26 01:10:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:03,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-26 01:10:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:03,401 INFO L225 Difference]: With dead ends: 258 [2022-11-26 01:10:03,401 INFO L226 Difference]: Without dead ends: 122 [2022-11-26 01:10:03,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:10:03,404 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:03,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:10:03,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-26 01:10:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-26 01:10:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 01:10:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-26 01:10:03,427 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-26 01:10:03,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:03,428 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-26 01:10:03,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-26 01:10:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 01:10:03,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:03,431 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:03,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:10:03,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:03,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:10:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:03,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-26 01:10:03,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:03,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748284381] [2022-11-26 01:10:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:03,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:03,788 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:10:03,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633457207] [2022-11-26 01:10:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:03,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:03,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:10:03,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:10:03,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:10:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:35,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:10:35,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:10:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:10:35,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:10:35,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:35,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748284381] [2022-11-26 01:10:35,720 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:10:35,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633457207] [2022-11-26 01:10:35,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633457207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:35,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:35,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:35,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11156300] [2022-11-26 01:10:35,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:35,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:35,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:35,723 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:38,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:10:40,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:10:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:40,107 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-26 01:10:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-26 01:10:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:40,116 INFO L225 Difference]: With dead ends: 227 [2022-11-26 01:10:40,116 INFO L226 Difference]: Without dead ends: 124 [2022-11-26 01:10:40,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:10:40,118 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:40,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 01:10:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-26 01:10:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-26 01:10:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-26 01:10:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-26 01:10:40,136 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-26 01:10:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:40,137 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-26 01:10:40,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-26 01:10:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 01:10:40,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:40,140 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:40,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:10:40,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:40,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:10:40,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-26 01:10:40,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:40,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015124794] [2022-11-26 01:10:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:40,477 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:10:40,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631836869] [2022-11-26 01:10:40,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:40,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:10:40,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:10:40,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf4651b-3fc0-4b5c-b195-52173681e28c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:11:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:16,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 01:11:16,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:11:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:11:16,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:11:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:11:16,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:16,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015124794] [2022-11-26 01:11:16,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:11:16,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631836869] [2022-11-26 01:11:16,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631836869] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:11:16,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [376015309] [2022-11-26 01:11:16,598 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 01:11:16,598 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:11:16,604 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:11:16,611 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:11:16,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:11:16,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:11:16,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:11:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,844 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 01:11:16,844 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 01:11:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 28 [2022-11-26 01:11:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,887 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 01:11:16,887 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,964 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:11:16,964 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:16,990 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,008 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-26 01:11:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 01:11:17,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:17,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-26 01:11:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 01:11:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-26 01:11:17,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:17,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 01:11:17,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:11:17,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:11:17,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:11:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 01:11:18,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:11:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,209 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 01:11:18,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 01:11:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,315 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:11:18,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 01:11:18,522 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,528 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,535 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 01:11:18,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 01:11:18,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 01:11:18,612 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,618 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,625 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 01:11:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:18,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 01:11:18,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:11:18,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:11:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:19,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 01:11:19,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:11:19,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:11:20,903 INFO L217 Elim1Store]: Index analysis took 1354 ms [2022-11-26 01:11:24,108 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 01:11:24,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 01:11:25,556 INFO L217 Elim1Store]: Index analysis took 1279 ms [2022-11-26 01:11:30,947 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 109 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:11:30,948 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 01:11:30,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-26 01:11:45,126 WARN L233 SmtUtils]: Spent 14.12s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:11:45,126 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 01:11:45,127 INFO L350 Elim1Store]: Elim1 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 1986 treesize of output 1481 [2022-11-26 01:11:45,393 INFO L217 Elim1Store]: Index analysis took 175 ms [2022-11-26 01:12:06,362 WARN L233 SmtUtils]: Spent 20.96s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:12:06,363 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 01:12:06,364 INFO L350 Elim1Store]: Elim1 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 2005 treesize of output 1819 [2022-11-26 01:12:07,208 INFO L217 Elim1Store]: Index analysis took 569 ms [2022-11-26 01:12:24,254 WARN L233 SmtUtils]: Spent 16.61s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:12:24,255 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 01:12:24,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 01:12:25,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,570 INFO L217 Elim1Store]: Index analysis took 395 ms [2022-11-26 01:12:25,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-26 01:12:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:12:25,792 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:12:27,291 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:12:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 01:12:27,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 01:12:27,845 INFO L217 Elim1Store]: Index analysis took 244 ms [2022-11-26 01:12:28,729 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:12:28,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 01:12:28,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-26 01:12:29,112 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:12:30,607 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:12:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:34,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:12:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:34,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 01:12:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:34,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:12:35,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 01:12:35,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:12:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:38,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:12:38,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:38,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 01:12:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:40,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:12:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:40,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20