./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/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 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 --- 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 [2022-11-25 23:27:01,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:27:01,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:27:01,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:27:01,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:27:01,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:27:01,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:27:01,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:27:01,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:27:01,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:27:01,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:27:01,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:27:01,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:27:01,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:27:01,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:27:01,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:27:01,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:27:01,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:27:01,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:27:01,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:27:01,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:27:01,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:27:01,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:27:01,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:27:01,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:27:01,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:27:01,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:27:01,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:27:01,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:27:01,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:27:01,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:27:01,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:27:01,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:27:01,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:27:01,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:27:01,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:27:01,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:27:01,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:27:01,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:27:01,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:27:01,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:27:01,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:27:01,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:27:01,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:27:01,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:27:01,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:27:01,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:27:01,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:27:01,510 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:27:01,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:27:01,511 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:27:01,511 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:27:01,512 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:27:01,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:27:01,512 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:27:01,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:27:01,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:27:01,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:27:01,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:27:01,513 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:27:01,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:27:01,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:27:01,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:27:01,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:27:01,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:27:01,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:27:01,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:27:01,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:27:01,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:27:01,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:27:01,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:27:01,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:27:01,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:27:01,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:27:01,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:27:01,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:27:01,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:27:01,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:27:01,519 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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 [2022-11-25 23:27:01,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:27:01,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:27:01,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:27:01,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:27:01,851 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:27:01,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2022-11-25 23:27:04,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:27:05,446 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:27:05,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2022-11-25 23:27:05,473 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/data/00517debb/c68d4ea80f054cbb864769c2c2be98c1/FLAG4a3fcafcc [2022-11-25 23:27:05,490 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/data/00517debb/c68d4ea80f054cbb864769c2c2be98c1 [2022-11-25 23:27:05,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:27:05,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:27:05,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:27:05,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:27:05,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:27:05,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:05" (1/1) ... [2022-11-25 23:27:05,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5092496e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:05, skipping insertion in model container [2022-11-25 23:27:05,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:05" (1/1) ... [2022-11-25 23:27:05,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:27:05,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:27:06,180 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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[33021,33034] [2022-11-25 23:27:06,425 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:27:06,428 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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[84583,84596] [2022-11-25 23:27:06,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:27:06,447 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:27:06,478 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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[33021,33034] [2022-11-25 23:27:06,622 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:27:06,624 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_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[84583,84596] [2022-11-25 23:27:06,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:27:06,667 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:27:06,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06 WrapperNode [2022-11-25 23:27:06,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:27:06,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:27:06,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:27:06,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:27:06,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,816 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-25 23:27:06,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:27:06,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:27:06,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:27:06,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:27:06,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:06,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:07,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:27:07,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:27:07,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:27:07,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:27:07,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (1/1) ... [2022-11-25 23:27:07,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:27:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:07,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:27:07,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:27:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:27:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:27:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:27:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:27:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:27:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:27:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:27:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:27:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:27:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:27:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:27:07,350 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:27:07,352 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:27:10,264 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:27:10,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:27:10,751 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 23:27:10,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:27:10 BoogieIcfgContainer [2022-11-25 23:27:10,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:27:10,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:27:10,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:27:10,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:27:10,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:27:05" (1/3) ... [2022-11-25 23:27:10,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d332a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:27:10, skipping insertion in model container [2022-11-25 23:27:10,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:06" (2/3) ... [2022-11-25 23:27:10,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d332a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:27:10, skipping insertion in model container [2022-11-25 23:27:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:27:10" (3/3) ... [2022-11-25 23:27:10,767 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-1.i [2022-11-25 23:27:10,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:27:10,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:27:10,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:27:10,891 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;@1f15d142, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:27:10,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:27:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:27:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:27:10,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:10,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:10,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:10,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:10,918 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-25 23:27:10,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:10,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778098516] [2022-11-25 23:27:10,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:10,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:11,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:11,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778098516] [2022-11-25 23:27:11,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778098516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:11,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:11,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:27:11,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990950479] [2022-11-25 23:27:11,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:11,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:27:11,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:11,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:27:11,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:27:11,167 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:12,063 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-25 23:27:12,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:27:12,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:27:12,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:12,100 INFO L225 Difference]: With dead ends: 2197 [2022-11-25 23:27:12,100 INFO L226 Difference]: Without dead ends: 1097 [2022-11-25 23:27:12,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:27:12,123 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:12,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:27:12,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-25 23:27:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-25 23:27:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:27:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-25 23:27:12,616 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-25 23:27:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:12,617 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-25 23:27:12,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-25 23:27:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:27:12,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:12,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:12,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:27:12,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-25 23:27:12,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:12,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273107947] [2022-11-25 23:27:12,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:13,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:13,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273107947] [2022-11-25 23:27:13,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273107947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:13,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:13,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:27:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482664254] [2022-11-25 23:27:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:13,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:27:13,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:13,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:27:13,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:27:13,040 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:15,269 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-25 23:27:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:27:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-25 23:27:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:15,294 INFO L225 Difference]: With dead ends: 3192 [2022-11-25 23:27:15,295 INFO L226 Difference]: Without dead ends: 2148 [2022-11-25 23:27:15,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:27:15,309 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:15,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 23:27:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-25 23:27:15,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-25 23:27:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:27:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-25 23:27:15,638 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-25 23:27:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:15,639 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-25 23:27:15,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-25 23:27:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 23:27:15,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:15,641 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:15,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:27:15,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:15,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:15,642 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-25 23:27:15,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:15,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894883179] [2022-11-25 23:27:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:15,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:15,784 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:27:15,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615749015] [2022-11-25 23:27:15,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:15,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:15,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:27:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:16,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:27:16,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:16,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:27:16,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:16,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894883179] [2022-11-25 23:27:16,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:27:16,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615749015] [2022-11-25 23:27:16,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615749015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:16,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:16,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:27:16,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048130202] [2022-11-25 23:27:16,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:16,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:27:16,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:16,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:27:16,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:27:16,707 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:18,177 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-25 23:27:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:27:18,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-25 23:27:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:18,200 INFO L225 Difference]: With dead ends: 3230 [2022-11-25 23:27:18,200 INFO L226 Difference]: Without dead ends: 2134 [2022-11-25 23:27:18,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:27:18,207 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:18,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 23:27:18,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-25 23:27:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-25 23:27:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-25 23:27:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-25 23:27:18,600 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-25 23:27:18,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:18,601 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-25 23:27:18,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-25 23:27:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:27:18,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:18,603 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:18,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:18,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:18,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:18,814 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-25 23:27:18,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:18,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820088548] [2022-11-25 23:27:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:18,878 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:27:18,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [605032644] [2022-11-25 23:27:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:18,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:18,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:18,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:18,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:27:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:19,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:27:19,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:27:19,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:27:19,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:19,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820088548] [2022-11-25 23:27:19,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:27:19,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605032644] [2022-11-25 23:27:19,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605032644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:19,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:19,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:27:19,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603190081] [2022-11-25 23:27:19,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:19,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:27:19,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:19,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:27:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:27:19,514 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:27:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:21,827 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-25 23:27:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:27:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 23:27:21,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:21,836 INFO L225 Difference]: With dead ends: 3228 [2022-11-25 23:27:21,836 INFO L226 Difference]: Without dead ends: 1112 [2022-11-25 23:27:21,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:27:21,850 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:21,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:27:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-25 23:27:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-25 23:27:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:27:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-25 23:27:22,146 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-25 23:27:22,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:22,147 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-25 23:27:22,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:27:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-25 23:27:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:27:22,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:22,156 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:22,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:22,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:22,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:22,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-25 23:27:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:22,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534073308] [2022-11-25 23:27:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:22,451 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:27:22,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106204807] [2022-11-25 23:27:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:22,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:22,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:22,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:22,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:27:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:37,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:27:37,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:37,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:27:37,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:37,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534073308] [2022-11-25 23:27:37,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:27:37,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106204807] [2022-11-25 23:27:37,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106204807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:37,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:37,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:27:37,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551070457] [2022-11-25 23:27:37,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:37,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:27:37,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:37,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:27:37,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:27:37,911 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:27:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:39,652 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-25 23:27:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:27:39,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-25 23:27:39,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:39,664 INFO L225 Difference]: With dead ends: 2207 [2022-11-25 23:27:39,665 INFO L226 Difference]: Without dead ends: 1114 [2022-11-25 23:27:39,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:27:39,671 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:39,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:27:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-25 23:27:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-25 23:27:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-25 23:27:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-25 23:27:39,908 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-25 23:27:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:39,910 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-25 23:27:39,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:27:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-25 23:27:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:27:39,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:39,915 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:39,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:40,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:40,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-25 23:27:40,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:40,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230521064] [2022-11-25 23:27:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:40,202 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:27:40,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908725283] [2022-11-25 23:27:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:40,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:40,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:40,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:40,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ec75a9-2321-4a93-8d7c-f0d02a5314c0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:28:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:32,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:28:32,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:28:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:28:32,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:28:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:28:32,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:32,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230521064] [2022-11-25 23:28:32,590 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:28:32,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908725283] [2022-11-25 23:28:32,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908725283] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:28:32,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1910749793] [2022-11-25 23:28:32,621 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 23:28:32,621 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:28:32,627 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:28:32,632 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:28:32,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:28:32,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:28:32,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,782 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:28:32,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:28:32,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,799 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:28:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,809 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 [2022-11-25 23:28:32,818 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 15 treesize of output 1 [2022-11-25 23:28:32,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,885 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:28:32,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:28:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,943 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:28:32,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:28:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:32,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-25 23:28:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,004 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 [2022-11-25 23:28:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,021 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 [2022-11-25 23:28:33,457 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 [2022-11-25 23:28:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 23:28:33,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 23:28:33,628 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 [2022-11-25 23:28:33,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:28:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:28:33,856 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 [2022-11-25 23:28:33,874 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 [2022-11-25 23:28:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:33,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:28:33,988 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 [2022-11-25 23:28:34,015 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 [2022-11-25 23:28:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,086 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:28:34,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 23:28:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,175 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:28:34,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:28:34,368 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 [2022-11-25 23:28:34,372 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 [2022-11-25 23:28:34,378 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 [2022-11-25 23:28:34,403 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 [2022-11-25 23:28:34,411 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 [2022-11-25 23:28:34,419 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 [2022-11-25 23:28:34,438 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 [2022-11-25 23:28:34,443 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 [2022-11-25 23:28:34,448 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 [2022-11-25 23:28:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:28:34,561 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 [2022-11-25 23:28:34,580 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 [2022-11-25 23:28:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:34,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:28:34,842 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 [2022-11-25 23:28:34,867 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 [2022-11-25 23:28:35,748 INFO L217 Elim1Store]: Index analysis took 608 ms [2022-11-25 23:28:39,557 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:28:39,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 23:28:41,651 INFO L217 Elim1Store]: Index analysis took 1841 ms [2022-11-25 23:28:42,414 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:28:42,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 23:28:49,155 WARN L233 SmtUtils]: Spent 6.63s 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) [2022-11-25 23:28:49,156 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:28:49,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-25 23:28:49,569 INFO L217 Elim1Store]: Index analysis took 197 ms [2022-11-25 23:29:10,988 WARN L233 SmtUtils]: Spent 21.41s 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) [2022-11-25 23:29:10,988 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:29:10,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-25 23:29:12,852 INFO L217 Elim1Store]: Index analysis took 1154 ms [2022-11-25 23:29:40,111 WARN L233 SmtUtils]: Spent 26.69s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:29:40,112 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 23:29:40,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-25 23:29:41,960 INFO L217 Elim1Store]: Index analysis took 154 ms [2022-11-25 23:29:42,503 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 23:29:42,503 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 23:29:42,583 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 [2022-11-25 23:29:43,087 INFO L217 Elim1Store]: Index analysis took 315 ms [2022-11-25 23:29:43,832 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:29:43,833 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 [2022-11-25 23:29:44,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:44,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 23:29:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:29:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:44,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:29:44,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:44,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:29:44,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:44,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:29:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:47,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:47,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:29:47,489 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:29:47,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:47,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:29:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:48,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:29:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:29:48,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:29:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:49,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:29:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:49,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:30:02,091 INFO L217 Elim1Store]: Index analysis took 1561 ms [2022-11-25 23:39:44,595 WARN L233 SmtUtils]: Spent 9.71m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:39:44,596 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-25 23:39:44,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-25 23:40:51,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:40:52,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:52,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:52,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:52,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:52,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:58,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:03,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:03,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:03,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:03,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:31,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:48,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:48,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:48,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:48,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:54,859 INFO L217 Elim1Store]: Index analysis took 62527 ms [2022-11-25 23:41:54,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-25 23:41:56,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:56,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:56,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:56,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:56,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:57,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:58,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:58,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:58,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:58,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:05,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:10,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:10,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:10,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:10,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:42:11,665 INFO L217 Elim1Store]: Index analysis took 15609 ms [2022-11-25 23:42:11,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145