./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh --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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- 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-2329fc7 [2022-12-14 14:36:14,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:36:14,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:36:14,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:36:14,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:36:14,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:36:14,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:36:14,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:36:14,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:36:14,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:36:14,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:36:14,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:36:14,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:36:14,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:36:14,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:36:14,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:36:14,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:36:14,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:36:14,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:36:14,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:36:14,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:36:14,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:36:14,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:36:14,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:36:14,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:36:14,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:36:14,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:36:14,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:36:14,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:36:14,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:36:14,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:36:14,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:36:14,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:36:14,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:36:14,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:36:14,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:36:14,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:36:14,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:36:14,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:36:14,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:36:14,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:36:14,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:36:14,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:36:14,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:36:14,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:36:14,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:36:14,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:36:14,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:36:14,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:36:14,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:36:14,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:36:14,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:36:14,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:36:14,789 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:36:14,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:36:14,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:36:14,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:36:14,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:36:14,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:36:14,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:36:14,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:36:14,792 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2022-12-14 14:36:14,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:36:14,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:36:14,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:36:14,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:36:14,977 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:36:14,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2022-12-14 14:36:17,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:36:17,773 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:36:17,774 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2022-12-14 14:36:17,794 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/data/dc535b5b5/0ec6b07f06884597bde63e60223bf057/FLAGa9273707b [2022-12-14 14:36:18,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/data/dc535b5b5/0ec6b07f06884597bde63e60223bf057 [2022-12-14 14:36:18,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:36:18,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:36:18,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:36:18,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:36:18,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:36:18,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747238f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18, skipping insertion in model container [2022-12-14 14:36:18,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:36:18,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:36:18,569 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2022-12-14 14:36:18,641 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:36:18,643 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2022-12-14 14:36:18,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:36:18,656 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:36:18,683 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2022-12-14 14:36:18,721 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:36:18,723 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_fcafc71a-a60b-47d7-916a-54a56916ac2a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2022-12-14 14:36:18,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:36:18,762 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:36:18,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18 WrapperNode [2022-12-14 14:36:18,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:36:18,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:36:18,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:36:18,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:36:18,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,835 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-12-14 14:36:18,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:36:18,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:36:18,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:36:18,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:36:18,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:36:18,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:36:18,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:36:18,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:36:18,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:36:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:18,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:36:18,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:36:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:36:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:36:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:36:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:36:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:36:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:36:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:36:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:36:19,112 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:36:19,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:36:20,026 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:36:20,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:36:20,275 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-12-14 14:36:20,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:36:20 BoogieIcfgContainer [2022-12-14 14:36:20,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:36:20,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:36:20,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:36:20,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:36:20,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:36:18" (1/3) ... [2022-12-14 14:36:20,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1614be8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:36:20, skipping insertion in model container [2022-12-14 14:36:20,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18" (2/3) ... [2022-12-14 14:36:20,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1614be8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:36:20, skipping insertion in model container [2022-12-14 14:36:20,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:36:20" (3/3) ... [2022-12-14 14:36:20,285 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2022-12-14 14:36:20,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:36:20,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:36:20,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:36:20,355 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;@4d596a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:36:20,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:36:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 14:36:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:36:20,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:20,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:36:20,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-12-14 14:36:20,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:20,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45486474] [2022-12-14 14:36:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:20,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:36:20,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:20,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45486474] [2022-12-14 14:36:20,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45486474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:20,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:20,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:36:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351594805] [2022-12-14 14:36:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:20,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:36:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:20,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:36:20,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:36:20,537 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:36:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:20,870 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-12-14 14:36:20,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:36:20,876 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 [2022-12-14 14:36:20,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:20,882 INFO L225 Difference]: With dead ends: 217 [2022-12-14 14:36:20,882 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 14:36:20,884 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 [2022-12-14 14:36:20,887 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:20,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:36:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 14:36:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 14:36:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 14:36:20,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-12-14 14:36:20,927 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-12-14 14:36:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:20,927 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-12-14 14:36:20,927 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) [2022-12-14 14:36:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-12-14 14:36:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 14:36:20,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:20,929 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] [2022-12-14 14:36:20,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:36:20,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:20,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:20,930 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-12-14 14:36:20,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:20,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783144190] [2022-12-14 14:36:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:36:21,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783144190] [2022-12-14 14:36:21,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783144190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:21,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:21,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:36:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734926060] [2022-12-14 14:36:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:21,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:36:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:36:21,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:36:21,206 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:36:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:23,013 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-12-14 14:36:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:36:23,018 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 [2022-12-14 14:36:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:23,019 INFO L225 Difference]: With dead ends: 222 [2022-12-14 14:36:23,019 INFO L226 Difference]: Without dead ends: 168 [2022-12-14 14:36:23,019 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 [2022-12-14 14:36:23,020 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:23,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 14:36:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-12-14 14:36:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-12-14 14:36:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 14:36:23,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-12-14 14:36:23,029 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-12-14 14:36:23,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:23,029 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-12-14 14:36:23,029 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) [2022-12-14 14:36:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-12-14 14:36:23,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 14:36:23,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:23,030 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] [2022-12-14 14:36:23,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:36:23,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:23,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:23,031 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-12-14 14:36:23,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:23,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346827769] [2022-12-14 14:36:23,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:23,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:23,142 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:36:23,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249285605] [2022-12-14 14:36:23,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:23,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:23,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:23,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:36:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:23,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:36:23,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:36:23,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:36:23,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:23,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346827769] [2022-12-14 14:36:23,708 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:36:23,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249285605] [2022-12-14 14:36:23,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249285605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:23,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:23,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:36:23,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973958938] [2022-12-14 14:36:23,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:23,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:23,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:23,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:23,710 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:36:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:24,244 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-12-14 14:36:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:24,248 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 [2022-12-14 14:36:24,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:24,249 INFO L225 Difference]: With dead ends: 260 [2022-12-14 14:36:24,249 INFO L226 Difference]: Without dead ends: 154 [2022-12-14 14:36:24,249 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 [2022-12-14 14:36:24,250 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:24,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:36:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-14 14:36:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-12-14 14:36:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 14:36:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-12-14 14:36:24,258 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-12-14 14:36:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:24,259 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-12-14 14:36:24,259 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) [2022-12-14 14:36:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-12-14 14:36:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 14:36:24,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:24,260 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] [2022-12-14 14:36:24,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:36:24,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:24,462 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash 716205571, now seen corresponding path program 1 times [2022-12-14 14:36:24,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:24,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482392907] [2022-12-14 14:36:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:24,535 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:36:24,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778706793] [2022-12-14 14:36:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:24,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:24,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:24,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:24,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:36:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:24,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:36:24,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:36:24,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:36:24,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:24,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482392907] [2022-12-14 14:36:24,928 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:36:24,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778706793] [2022-12-14 14:36:24,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778706793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:24,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:24,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:36:24,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803288780] [2022-12-14 14:36:24,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:24,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:36:24,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:24,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:36:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:36:24,931 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:36:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:25,261 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-12-14 14:36:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:36:25,261 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 [2022-12-14 14:36:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:25,263 INFO L225 Difference]: With dead ends: 258 [2022-12-14 14:36:25,263 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 14:36:25,264 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 [2022-12-14 14:36:25,265 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:25,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:36:25,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 14:36:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 14:36:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 14:36:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-12-14 14:36:25,272 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-12-14 14:36:25,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:25,272 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-12-14 14:36:25,272 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) [2022-12-14 14:36:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-12-14 14:36:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 14:36:25,273 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:25,273 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] [2022-12-14 14:36:25,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:36:25,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:25,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:25,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:25,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2100078830, now seen corresponding path program 1 times [2022-12-14 14:36:25,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:25,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654426850] [2022-12-14 14:36:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:25,531 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:36:25,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971640380] [2022-12-14 14:36:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:25,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:25,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:25,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:25,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:36:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:47,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:36:47,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:36:47,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:36:47,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:47,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654426850] [2022-12-14 14:36:47,077 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:36:47,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971640380] [2022-12-14 14:36:47,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971640380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:47,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:47,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:36:47,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203467692] [2022-12-14 14:36:47,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:47,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:36:47,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:47,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:36:47,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:36:47,079 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:36:50,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:36:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:50,453 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-12-14 14:36:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:36:50,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 14:36:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:50,467 INFO L225 Difference]: With dead ends: 227 [2022-12-14 14:36:50,468 INFO L226 Difference]: Without dead ends: 124 [2022-12-14 14:36:50,468 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 [2022-12-14 14:36:50,469 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:50,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 14:36:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-12-14 14:36:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-12-14 14:36:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-14 14:36:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-12-14 14:36:50,476 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-12-14 14:36:50,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:50,476 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-12-14 14:36:50,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 14:36:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-12-14 14:36:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 14:36:50,477 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:50,478 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] [2022-12-14 14:36:50,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 14:36:50,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:50,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:36:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2025367294, now seen corresponding path program 1 times [2022-12-14 14:36:50,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:50,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144899832] [2022-12-14 14:36:50,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:50,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:50,757 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:36:50,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625715744] [2022-12-14 14:36:50,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:50,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:50,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:50,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcafc71a-a60b-47d7-916a-54a56916ac2a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:37:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:37:15,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:37:15,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:37:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:37:15,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:37:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:37:15,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:37:15,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144899832] [2022-12-14 14:37:15,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:37:15,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625715744] [2022-12-14 14:37:15,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625715744] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:37:15,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1209436980] [2022-12-14 14:37:15,661 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 14:37:15,661 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:37:15,664 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:37:15,667 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:37:15,668 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:37:15,763 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 [2022-12-14 14:37:15,768 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 [2022-12-14 14:37:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,786 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 14:37:15,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 14:37:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 14:37:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,819 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 14:37:15,820 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 [2022-12-14 14:37:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,874 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:37:15,874 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 [2022-12-14 14:37:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,889 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 [2022-12-14 14:37:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,902 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 [2022-12-14 14:37:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,916 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 [2022-12-14 14:37:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:15,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 14:37:16,243 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 [2022-12-14 14:37:16,259 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 [2022-12-14 14:37:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,309 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 [2022-12-14 14:37:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-12-14 14:37:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-12-14 14:37:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,508 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 [2022-12-14 14:37:16,534 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 [2022-12-14 14:37:16,548 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 [2022-12-14 14:37:16,586 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 [2022-12-14 14:37:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,622 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 [2022-12-14 14:37:16,658 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 [2022-12-14 14:37:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,713 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 14:37:16,714 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 [2022-12-14 14:37:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:16,776 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:37:16,776 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 [2022-12-14 14:37:16,900 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 [2022-12-14 14:37:16,903 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 [2022-12-14 14:37:16,908 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 [2022-12-14 14:37:16,927 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 [2022-12-14 14:37:16,933 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 [2022-12-14 14:37:16,940 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 [2022-12-14 14:37:16,954 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 [2022-12-14 14:37:16,958 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 [2022-12-14 14:37:16,963 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 [2022-12-14 14:37:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,015 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 [2022-12-14 14:37:17,039 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 [2022-12-14 14:37:17,059 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 [2022-12-14 14:37:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:37:17,234 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 [2022-12-14 14:37:17,251 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 [2022-12-14 14:37:17,264 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 [2022-12-14 14:37:18,278 INFO L217 Elim1Store]: Index analysis took 733 ms [2022-12-14 14:37:21,037 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 14:37:21,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 14:37:22,002 INFO L217 Elim1Store]: Index analysis took 864 ms [2022-12-14 14:37:25,266 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 14:37:25,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-12-14 14:37:35,281 WARN L233 SmtUtils]: Spent 9.97s 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) [2022-12-14 14:37:35,282 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 14:37:35,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 14:37:51,372 WARN L233 SmtUtils]: Spent 15.95s 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) [2022-12-14 14:37:51,372 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 14:37:51,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-12-14 14:37:51,946 INFO L217 Elim1Store]: Index analysis took 414 ms [2022-12-14 14:38:04,966 WARN L233 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:38:04,967 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 14:38:04,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 14:38:05,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:05,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:05,840 INFO L217 Elim1Store]: Index analysis took 226 ms [2022-12-14 14:38:05,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-12-14 14:38:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:05,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:05,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 14:38:06,009 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:38:06,670 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-12-14 14:38:07,069 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 14:38:07,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 14:38:07,113 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 [2022-12-14 14:38:07,973 INFO L217 Elim1Store]: Index analysis took 597 ms [2022-12-14 14:38:08,599 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:38:08,600 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 [2022-12-14 14:38:08,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:08,732 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 [2022-12-14 14:38:08,834 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:38:09,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:38:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:12,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:12,359 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 [2022-12-14 14:38:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:12,398 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 [2022-12-14 14:38:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:12,438 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 [2022-12-14 14:38:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:13,049 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 [2022-12-14 14:38:13,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:38:13,086 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 [2022-12-14 14:38:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:15,867 INFO L217 Elim1Store]: Index analysis took 156 ms [2022-12-14 14:38:15,868 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 [2022-12-14 14:38:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:16,004 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 [2022-12-14 14:38:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:17,150 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 [2022-12-14 14:38:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:38:17,240 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