./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/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_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/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_6dbbf889-3dd4-406e-9383-36af9af872c5/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 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- 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 00:18:50,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:50,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:50,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:50,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:50,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:50,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:50,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:50,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:50,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:50,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:50,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:50,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:50,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:50,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:50,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:50,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:50,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:50,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:50,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:50,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:50,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:50,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:50,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:50,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:50,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:50,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:50,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:50,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:50,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:50,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:50,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:50,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:50,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:50,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:50,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:50,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:50,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:50,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:50,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:50,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:50,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:18:50,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:50,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:50,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:50,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:50,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:50,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:50,433 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:50,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:50,433 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:50,434 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:18:50,435 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:50,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:50,435 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:18:50,436 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:18:50,436 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:50,436 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:18:50,436 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:18:50,436 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:18:50,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:50,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:18:50,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:50,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:18:50,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:50,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:18:50,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:50,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:18:50,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:18:50,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:18:50,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:50,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:18:50,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:50,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:50,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:50,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:50,441 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:18:50,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:50,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:18:50,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:18:50,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:18:50,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:18:50,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:50,442 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_6dbbf889-3dd4-406e-9383-36af9af872c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2022-11-26 00:18:50,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:50,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:50,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:50,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:50,773 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:50,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2022-11-26 00:18:53,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:54,186 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:54,187 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2022-11-26 00:18:54,204 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/data/5e944139e/9fda6d527217438c99e5bf73c7ff9f88/FLAG930d1bb48 [2022-11-26 00:18:54,223 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/data/5e944139e/9fda6d527217438c99e5bf73c7ff9f88 [2022-11-26 00:18:54,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:54,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:54,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:54,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:54,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:54,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:54" (1/1) ... [2022-11-26 00:18:54,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51668c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:54, skipping insertion in model container [2022-11-26 00:18:54,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:54" (1/1) ... [2022-11-26 00:18:54,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:54,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:54,849 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_6dbbf889-3dd4-406e-9383-36af9af872c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2022-11-26 00:18:55,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:55,035 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:18:55,070 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_6dbbf889-3dd4-406e-9383-36af9af872c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2022-11-26 00:18:55,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:55,218 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:18:55,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55 WrapperNode [2022-11-26 00:18:55,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:55,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:55,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:18:55,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:18:55,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,347 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-11-26 00:18:55,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:55,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:18:55,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:18:55,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:18:55,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:18:55,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:18:55,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:18:55,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:18:55,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (1/1) ... [2022-11-26 00:18:55,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:55,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:55,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:18:55,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:18:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:18:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:18:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:18:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:18:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:18:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:18:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:18:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:18:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:18:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:18:55,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:18:55,763 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:18:58,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:18:58,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:18:58,519 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:18:58,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:58 BoogieIcfgContainer [2022-11-26 00:18:58,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:18:58,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:18:58,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:18:58,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:18:58,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:18:54" (1/3) ... [2022-11-26 00:18:58,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b149ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:58, skipping insertion in model container [2022-11-26 00:18:58,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:55" (2/3) ... [2022-11-26 00:18:58,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b149ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:58, skipping insertion in model container [2022-11-26 00:18:58,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:58" (3/3) ... [2022-11-26 00:18:58,530 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-1.i [2022-11-26 00:18:58,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:18:58,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:18:58,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:18:58,608 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;@4c291e19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:18:58,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:18:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:18:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:18:58,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:58,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:58,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:58,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-11-26 00:18:58,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:58,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151586955] [2022-11-26 00:18:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:58,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:58,865 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 00:18:58,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:58,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151586955] [2022-11-26 00:18:58,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151586955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:58,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:58,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:18:58,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701684714] [2022-11-26 00:18:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:58,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:18:58,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:58,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:18:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:58,934 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:01,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:04,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:05,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:05,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:05,855 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-11-26 00:19:05,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:19:05,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:19:05,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:05,879 INFO L225 Difference]: With dead ends: 347 [2022-11-26 00:19:05,879 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:19:05,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:19:05,886 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:05,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-26 00:19:05,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:19:05,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:19:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:19:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:19:05,972 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:19:05,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:05,974 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:19:05,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:19:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:19:05,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:05,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:19:05,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:19:05,979 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:19:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-11-26 00:19:05,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:05,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670550745] [2022-11-26 00:19:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:06,330 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:19:06,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309578913] [2022-11-26 00:19:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:06,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:19:06,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:19:06,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:19:06,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:19:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:19:07,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:19:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:07,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:19:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:08,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:08,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670550745] [2022-11-26 00:19:08,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:19:08,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309578913] [2022-11-26 00:19:08,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309578913] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:19:08,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1632582145] [2022-11-26 00:19:08,052 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:19:08,053 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:19:08,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:19:08,065 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:19:08,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:19:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,281 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:19:08,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:19:08,342 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:08,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:08,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:19:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,382 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 00:19:08,848 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 00:19:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:08,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:19:08,993 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 00:19:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:09,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,045 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:19:09,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:19:09,088 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:19:09,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 00:19:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:09,155 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:09,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,176 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 00:19:09,584 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 00:19:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:09,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:19:09,761 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 00:19:09,796 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:19:17,907 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:25,304 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:25,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1632582145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:25,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:19:25,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:19:25,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042290893] [2022-11-26 00:19:25,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:25,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:19:25,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:25,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:19:25,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:19:25,313 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:28,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:30,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:32,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:38,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:41,628 WARN L539 Checker$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 00:19:41,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:41,664 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:19:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:19:41,665 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 00:19:41,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:41,666 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:19:41,666 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:19:41,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:19:41,669 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:41,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2022-11-26 00:19:41,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:19:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:19:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:19:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:19:41,692 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:19:41,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:41,692 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:19:41,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:19:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:19:41,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:41,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:41,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:19:41,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:19:41,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:19:41,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:41,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-11-26 00:19:41,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:41,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438283548] [2022-11-26 00:19:41,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:41,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:42,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:19:42,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500425722] [2022-11-26 00:19:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:42,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:19:42,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:19:42,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:19:42,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:19:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:43,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:19:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:19:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:19:43,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:19:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:19:43,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:43,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438283548] [2022-11-26 00:19:43,506 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:19:43,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500425722] [2022-11-26 00:19:43,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500425722] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:19:43,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612515241] [2022-11-26 00:19:43,511 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:19:43,511 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:19:43,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:19:43,512 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:19:43,512 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:19:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:43,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:43,662 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:43,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:43,689 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 00:19:43,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:19:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:43,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:43,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:19:44,061 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 00:19:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:19:44,195 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 00:19:44,225 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 00:19:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:44,394 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 00:19:44,445 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 00:19:44,521 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:19:44,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:19:44,542 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 28 treesize of output 36 [2022-11-26 00:19:44,570 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 00:19:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:44,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:44,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:45,012 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:45,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,044 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 00:19:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:45,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:19:45,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:19:45,430 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 00:19:45,450 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 00:19:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:19:45,615 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 00:19:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:45,770 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 00:19:45,839 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 00:19:45,916 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:19:45,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:19:45,933 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 28 treesize of output 36 [2022-11-26 00:19:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:46,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:46,047 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 00:19:46,384 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:19:46,513 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:19:52,505 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:59,999 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:10,113 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:23,206 WARN L233 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:35,366 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:36,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [612515241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:36,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:20:36,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:20:36,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014414544] [2022-11-26 00:20:36,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:36,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:20:36,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:36,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:20:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:20:36,070 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:38,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:40,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:42,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:44,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:46,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:48,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:51,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:53,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:55,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:59,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:21:03,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:05,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:07,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:21:09,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:09,295 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:21:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:21:09,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-26 00:21:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:09,297 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:21:09,297 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:21:09,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 49.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:21:09,299 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:09,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 384 Invalid, 11 Unknown, 0 Unchecked, 33.2s Time] [2022-11-26 00:21:09,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:21:09,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:21:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 00:21:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:21:09,330 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:21:09,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:09,331 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:21:09,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:21:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:21:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:21:09,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:09,333 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:09,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:21:09,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:21:09,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:21:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:09,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-11-26 00:21:09,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:09,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975264727] [2022-11-26 00:21:09,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:09,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:09,702 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:21:09,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711310733] [2022-11-26 00:21:09,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:09,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:21:09,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:21:09,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:21:09,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbbf889-3dd4-406e-9383-36af9af872c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:21:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:10,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:21:10,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:21:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:21:11,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:21:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:21:11,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:11,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975264727] [2022-11-26 00:21:11,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:21:11,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711310733] [2022-11-26 00:21:11,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711310733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:21:11,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2113065850] [2022-11-26 00:21:11,214 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:21:11,214 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:21:11,214 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:21:11,215 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:21:11,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:21:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,315 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:21:11,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:21:11,371 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:21:11,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:21:11,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,393 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 00:21:11,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:21:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,419 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 00:21:11,720 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 00:21:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:21:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:21:11,850 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 00:21:11,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:21:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:11,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:21:12,011 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 00:21:12,027 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 00:21:12,067 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 00:21:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:21:12,146 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 00:21:12,215 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:21:12,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-26 00:21:12,325 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:21:12,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:21:12,485 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 00:21:12,491 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 00:21:12,498 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 00:21:12,515 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 00:21:12,522 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 00:21:12,530 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 00:21:12,550 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 00:21:12,556 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 00:21:12,565 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 00:21:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:21:12,670 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 00:21:12,687 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 00:21:12,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:12,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:21:12,886 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 00:21:12,930 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 00:21:14,098 INFO L217 Elim1Store]: Index analysis took 890 ms [2022-11-26 00:21:19,455 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 60 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:21:19,456 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:21:19,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-26 00:21:20,553 INFO L217 Elim1Store]: Index analysis took 603 ms [2022-11-26 00:21:25,601 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 78 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:21:25,601 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:21:25,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-26 00:21:42,281 WARN L233 SmtUtils]: Spent 16.61s 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 00:21:42,282 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:21:42,282 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 00:21:42,488 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-11-26 00:22:02,041 WARN L233 SmtUtils]: Spent 19.55s 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 00:22:02,042 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:22:02,042 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 1829 [2022-11-26 00:22:02,964 INFO L217 Elim1Store]: Index analysis took 772 ms [2022-11-26 00:22:20,973 WARN L233 SmtUtils]: Spent 17.57s 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 00:22:20,974 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:22:20,975 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 00:22:22,323 INFO L217 Elim1Store]: Index analysis took 279 ms [2022-11-26 00:22:22,675 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:22:22,676 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 00:22:22,743 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 00:22:23,064 INFO L217 Elim1Store]: Index analysis took 229 ms [2022-11-26 00:22:24,408 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:22:24,409 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 00:22:29,726 INFO L217 Elim1Store]: Index analysis took 477 ms