./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:43:25,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:43:25,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:43:25,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:43:25,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:43:25,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:43:25,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:43:25,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:43:25,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:43:25,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:43:25,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:43:25,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:43:25,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:43:25,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:43:25,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:43:25,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:43:25,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:43:25,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:43:25,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:43:25,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:43:25,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:43:25,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:43:25,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:43:25,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:43:25,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:43:25,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:43:25,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:43:25,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:43:25,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:43:25,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:43:25,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:43:25,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:43:25,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:43:25,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:43:25,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:43:25,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:43:25,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:43:25,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:43:25,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:43:25,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:43:25,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:43:25,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:43:25,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:43:25,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:43:25,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:43:25,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:43:25,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:43:25,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:43:25,967 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:43:25,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:43:25,968 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:43:25,968 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:43:25,969 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:43:25,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:43:25,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:43:25,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:43:25,971 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:43:25,971 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:43:25,972 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:43:25,972 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:43:25,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:43:25,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:43:25,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:43:25,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:43:25,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:43:25,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:43:25,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:43:25,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:43:25,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:43:25,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:43:25,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:43:25,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:43:25,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:43:25,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:43:25,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:43:25,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:43:25,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:43:25,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:43:25,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:43:25,978 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:43:25,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:43:25,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:43:25,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:43:25,979 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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2022-11-26 00:43:26,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:43:26,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:43:26,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:43:26,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:43:26,373 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:43:26,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-26 00:43:29,748 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:43:30,321 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:43:30,322 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-26 00:43:30,360 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/data/409c96396/3897abc755764234842e42a2cc7aadbe/FLAGa253a0b86 [2022-11-26 00:43:30,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/data/409c96396/3897abc755764234842e42a2cc7aadbe [2022-11-26 00:43:30,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:43:30,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:43:30,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:43:30,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:43:30,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:43:30,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:43:30" (1/1) ... [2022-11-26 00:43:30,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d2f7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:30, skipping insertion in model container [2022-11-26 00:43:30,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:43:30" (1/1) ... [2022-11-26 00:43:30,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:43:30,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:43:31,156 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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-26 00:43:31,490 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:43:31,493 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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-26 00:43:31,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:43:31,508 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:43:31,538 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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-26 00:43:31,653 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:43:31,655 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_fc21f722-b548-458c-9d4e-5fdb4f1fb822/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-26 00:43:31,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:43:31,709 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:43:31,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31 WrapperNode [2022-11-26 00:43:31,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:43:31,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:43:31,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:43:31,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:43:31,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,866 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-26 00:43:31,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:43:31,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:43:31,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:43:31,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:43:31,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:31,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:32,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:32,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:32,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:32,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:43:32,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:43:32,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:43:32,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:43:32,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (1/1) ... [2022-11-26 00:43:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:43:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:32,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:43:32,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:43:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:43:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:43:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:43:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:43:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:43:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:43:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:43:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:43:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:43:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:43:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:43:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:43:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:43:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:43:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:43:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:43:32,356 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:43:32,358 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:43:35,467 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:43:36,034 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:43:36,034 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-26 00:43:36,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:43:36 BoogieIcfgContainer [2022-11-26 00:43:36,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:43:36,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:43:36,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:43:36,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:43:36,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:43:30" (1/3) ... [2022-11-26 00:43:36,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cdc255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:43:36, skipping insertion in model container [2022-11-26 00:43:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:43:31" (2/3) ... [2022-11-26 00:43:36,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cdc255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:43:36, skipping insertion in model container [2022-11-26 00:43:36,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:43:36" (3/3) ... [2022-11-26 00:43:36,055 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2022-11-26 00:43:36,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:43:36,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:43:36,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:43:36,194 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;@292ac788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:43:36,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:43:36,203 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) [2022-11-26 00:43:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:43:36,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:36,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:36,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:36,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-26 00:43:36,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:36,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827328100] [2022-11-26 00:43:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:36,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:43:36,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:36,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827328100] [2022-11-26 00:43:36,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827328100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:36,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:43:36,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:43:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463557153] [2022-11-26 00:43:36,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:36,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:43:36,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:36,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:43:36,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:43:36,476 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) [2022-11-26 00:43:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:37,574 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-26 00:43:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:43:37,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:43:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:37,617 INFO L225 Difference]: With dead ends: 2197 [2022-11-26 00:43:37,618 INFO L226 Difference]: Without dead ends: 1097 [2022-11-26 00:43:37,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:43:37,636 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:37,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:43:37,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-26 00:43:38,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-26 00:43:38,161 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) [2022-11-26 00:43:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-26 00:43:38,180 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-26 00:43:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:38,180 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-26 00:43:38,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:43:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-26 00:43:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:43:38,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:38,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:38,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:43:38,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-26 00:43:38,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:38,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903776330] [2022-11-26 00:43:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:43:38,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:38,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903776330] [2022-11-26 00:43:38,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903776330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:38,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:43:38,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:43:38,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146932935] [2022-11-26 00:43:38,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:38,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:43:38,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:38,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:43:38,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:43:38,766 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) [2022-11-26 00:43:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:41,491 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-26 00:43:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:43:41,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-26 00:43:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:41,516 INFO L225 Difference]: With dead ends: 3192 [2022-11-26 00:43:41,516 INFO L226 Difference]: Without dead ends: 2148 [2022-11-26 00:43:41,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:43:41,525 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:41,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:43:41,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-26 00:43:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-26 00:43:42,307 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) [2022-11-26 00:43:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-26 00:43:42,315 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-26 00:43:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:42,316 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-26 00:43:42,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:43:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-26 00:43:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:43:42,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:42,319 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:42,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:43:42,319 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:42,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-26 00:43:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:42,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278908641] [2022-11-26 00:43:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:42,522 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:43:42,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464385753] [2022-11-26 00:43:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:42,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:42,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:42,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:43:42,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:43:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:43,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:43:43,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:43:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:43:43,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:43:43,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:43,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278908641] [2022-11-26 00:43:43,468 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:43:43,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464385753] [2022-11-26 00:43:43,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464385753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:43,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:43:43,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:43:43,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116287963] [2022-11-26 00:43:43,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:43,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:43:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:43:43,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:43:43,471 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) [2022-11-26 00:43:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:45,196 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-26 00:43:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:43:45,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-26 00:43:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:45,229 INFO L225 Difference]: With dead ends: 3230 [2022-11-26 00:43:45,230 INFO L226 Difference]: Without dead ends: 2134 [2022-11-26 00:43:45,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:43:45,243 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:45,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:43:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-26 00:43:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-26 00:43:45,766 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) [2022-11-26 00:43:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-26 00:43:45,781 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-26 00:43:45,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:45,781 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-26 00:43:45,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:43:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-26 00:43:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:43:45,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:45,794 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:45,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:43:45,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:45,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:45,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-26 00:43:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:45,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84832124] [2022-11-26 00:43:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:45,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:46,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:43:46,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358988505] [2022-11-26 00:43:46,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:46,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:46,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:46,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:43:46,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:43:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:46,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:43:46,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:43:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:43:46,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:43:46,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:46,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84832124] [2022-11-26 00:43:46,754 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:43:46,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358988505] [2022-11-26 00:43:46,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358988505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:46,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:43:46,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:43:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414618961] [2022-11-26 00:43:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:46,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:43:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:46,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:43:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:43:46,758 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) [2022-11-26 00:43:49,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:49,723 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-26 00:43:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:43:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-26 00:43:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:49,732 INFO L225 Difference]: With dead ends: 3228 [2022-11-26 00:43:49,732 INFO L226 Difference]: Without dead ends: 1112 [2022-11-26 00:43:49,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:43:49,744 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:49,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:43:49,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-26 00:43:49,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-26 00:43:49,926 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) [2022-11-26 00:43:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-26 00:43:49,935 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-26 00:43:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:49,936 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-26 00:43:49,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:43:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-26 00:43:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:43:49,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:49,938 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:49,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:43:50,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:50,148 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:50,149 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-26 00:43:50,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:50,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884497746] [2022-11-26 00:43:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:50,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:50,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:43:50,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805813898] [2022-11-26 00:43:50,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:50,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:43:50,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:44:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:07,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:44:07,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:44:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:07,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:44:07,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:07,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884497746] [2022-11-26 00:44:07,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:44:07,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805813898] [2022-11-26 00:44:07,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805813898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:07,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:07,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:44:07,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034040401] [2022-11-26 00:44:07,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:07,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:44:07,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:07,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:44:07,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:44:07,556 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) [2022-11-26 00:44:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:09,473 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-26 00:44:09,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:44:09,479 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 [2022-11-26 00:44:09,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:09,488 INFO L225 Difference]: With dead ends: 2207 [2022-11-26 00:44:09,488 INFO L226 Difference]: Without dead ends: 1114 [2022-11-26 00:44:09,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:44:09,495 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:09,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:44:09,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-26 00:44:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-26 00:44:09,761 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) [2022-11-26 00:44:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-26 00:44:09,770 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-26 00:44:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:09,772 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-26 00:44:09,772 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) [2022-11-26 00:44:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-26 00:44:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:44:09,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:09,775 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:44:09,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:44:09,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:09,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:44:09,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:09,992 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-26 00:44:09,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:09,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663157698] [2022-11-26 00:44:09,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:09,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:10,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:44:10,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458068235] [2022-11-26 00:44:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:10,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:44:10,069 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:44:10,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc21f722-b548-458c-9d4e-5fdb4f1fb822/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:45:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:07,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:45:07,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:45:07,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:45:07,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:07,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663157698] [2022-11-26 00:45:07,374 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:45:07,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458068235] [2022-11-26 00:45:07,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458068235] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:07,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [129085955] [2022-11-26 00:45:07,408 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:45:07,408 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:07,414 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:07,420 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:07,421 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:07,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:45:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,614 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:45:07,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:45:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,631 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 [2022-11-26 00:45:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:45:07,658 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 [2022-11-26 00:45:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,737 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:45:07,738 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 [2022-11-26 00:45:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,807 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:45:07,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:45:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-26 00:45:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:45:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:07,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:45:08,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:45:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-26 00:45:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,560 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 [2022-11-26 00:45:08,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:45:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:45:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:45:08,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:45:08,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:45:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:45:08,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:45:08,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:45:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,050 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:45:09,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:45:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,186 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:45:09,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:45:09,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:45:09,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:45:09,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:45:09,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:45:09,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:45:09,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:45:09,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:45:09,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:45:09,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:45:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:45:09,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:45:09,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:45:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:09,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:45:09,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:45:09,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:45:10,802 INFO L217 Elim1Store]: Index analysis took 684 ms [2022-11-26 00:45:15,533 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:45:15,535 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 [2022-11-26 00:45:18,204 INFO L217 Elim1Store]: Index analysis took 2299 ms [2022-11-26 00:45:19,148 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:45:19,149 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 [2022-11-26 00:45:27,048 WARN L233 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:45:27,049 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:45:27,049 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 [2022-11-26 00:45:27,437 INFO L217 Elim1Store]: Index analysis took 179 ms [2022-11-26 00:45:52,954 WARN L233 SmtUtils]: Spent 25.51s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:45:52,954 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:45:52,955 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 [2022-11-26 00:45:54,973 INFO L217 Elim1Store]: Index analysis took 1254 ms [2022-11-26 00:46:26,556 WARN L233 SmtUtils]: Spent 30.91s 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) [2022-11-26 00:46:26,557 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-26 00:46:26,558 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 [2022-11-26 00:46:28,880 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-26 00:46:29,545 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:46:29,545 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 [2022-11-26 00:46:29,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:46:30,444 INFO L217 Elim1Store]: Index analysis took 406 ms [2022-11-26 00:46:31,345 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:46:31,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:46:32,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:32,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-26 00:46:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:32,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:46:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:32,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:46:32,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:32,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:46:32,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:32,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:46:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:35,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:35,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:46:35,408 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:46:35,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:35,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:46:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:36,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:36,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:46:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:36,577 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 [2022-11-26 00:46:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:36,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:46:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:37,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:46:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:38,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:46:51,383 INFO L217 Elim1Store]: Index analysis took 1796 ms [2022-11-26 00:56:35,199 WARN L233 SmtUtils]: Spent 9.73m 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) [2022-11-26 00:56:35,200 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-26 00:56:35,233 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 [2022-11-26 00:57:44,357 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:57:45,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:45,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:45,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:45,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:45,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:50,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:56,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:56,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:56,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:24,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:28,392 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_15 |ULTIMATE.start_main_~user~0#1.base|) (select v_arrayElimArr_17 |ULTIMATE.start_main_~user~0#1.base|))