./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:18:37,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:37,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:37,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:37,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:37,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:37,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:37,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:37,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:37,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:37,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:37,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:37,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:37,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:37,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:37,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:37,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:37,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:37,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:37,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:37,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:37,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:37,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:37,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:37,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:37,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:37,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:37,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:37,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:37,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:37,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:37,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:37,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:37,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:37,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:37,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:37,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:37,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:37,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:37,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:37,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:37,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:18:37,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:37,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:37,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:37,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:37,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:37,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:37,745 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:37,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:37,746 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:37,746 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:18:37,746 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:37,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:37,751 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:18:37,751 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:18:37,751 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:37,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:18:37,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:18:37,752 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:18:37,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:37,753 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:18:37,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:37,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:18:37,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:37,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:18:37,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:37,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:18:37,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:18:37,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:18:37,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:37,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:18:37,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:37,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:37,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:37,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:37,758 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:18:37,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:37,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:18:37,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:18:37,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:18:37,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:18:37,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:37,762 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_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 [2022-11-26 00:18:38,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:38,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:38,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:38,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:38,117 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:38,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2022-11-26 00:18:41,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:42,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:42,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2022-11-26 00:18:42,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/data/bf2cee035/33a2f0f32c8c4fa7ba3f113fb5c3a011/FLAGca08d0e22 [2022-11-26 00:18:42,321 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/data/bf2cee035/33a2f0f32c8c4fa7ba3f113fb5c3a011 [2022-11-26 00:18:42,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:42,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:42,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:42,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:42,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:42,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:42" (1/1) ... [2022-11-26 00:18:42,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb93040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:42, skipping insertion in model container [2022-11-26 00:18:42,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:42" (1/1) ... [2022-11-26 00:18:42,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:42,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:43,010 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_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2022-11-26 00:18:43,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:43,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:18:43,330 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_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2022-11-26 00:18:43,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:43,454 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:18:43,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43 WrapperNode [2022-11-26 00:18:43,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:43,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:43,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:18:43,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:18:43,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,578 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-26 00:18:43,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:43,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:18:43,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:18:43,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:18:43,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:18:43,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:18:43,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:18:43,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:18:43,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (1/1) ... [2022-11-26 00:18:43,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:43,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:43,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:18:43,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:18:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:18:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:18:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:18:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:18:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:18:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:18:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:18:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:18:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:18:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:18:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:18:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:18:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:18:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:18:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:18:44,220 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:18:44,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:18:46,416 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:18:47,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:18:47,099 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-26 00:18:47,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:47 BoogieIcfgContainer [2022-11-26 00:18:47,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:18:47,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:18:47,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:18:47,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:18:47,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:18:42" (1/3) ... [2022-11-26 00:18:47,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3f3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:47, skipping insertion in model container [2022-11-26 00:18:47,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:43" (2/3) ... [2022-11-26 00:18:47,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3f3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:47, skipping insertion in model container [2022-11-26 00:18:47,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:47" (3/3) ... [2022-11-26 00:18:47,115 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-2.i [2022-11-26 00:18:47,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:18:47,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:18:47,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:18:47,214 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;@68853fc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:18:47,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:18:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:18:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:18:47,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:47,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:47,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:47,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-26 00:18:47,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:47,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103260147] [2022-11-26 00:18:47,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:47,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:47,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103260147] [2022-11-26 00:18:47,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103260147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:47,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:47,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:18:47,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391737223] [2022-11-26 00:18:47,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:47,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:18:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:18:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:47,594 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:49,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:49,555 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-26 00:18:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:18:49,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:18:49,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:49,576 INFO L225 Difference]: With dead ends: 375 [2022-11-26 00:18:49,576 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:18:49,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:49,584 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:49,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:18:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:18:49,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:18:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:18:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:18:49,648 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:18:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:49,648 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:18:49,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:18:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:18:49,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:49,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:49,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:18:49,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:49,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:49,654 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-26 00:18:49,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:49,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670989900] [2022-11-26 00:18:49,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:49,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:18:49,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758806374] [2022-11-26 00:18:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:49,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:50,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:18:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:51,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:18:51,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:51,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:51,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:51,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670989900] [2022-11-26 00:18:51,983 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:18:51,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758806374] [2022-11-26 00:18:51,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758806374] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:18:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1608831400] [2022-11-26 00:18:52,008 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:18:52,009 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:18:52,013 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:18:52,019 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:18:52,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:52,358 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:52,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:18:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:52,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:18:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:52,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:18:52,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:18:52,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:18:52,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:18:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:52,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:18:53,030 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:18:53,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 00:18:53,074 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:53,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:18:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:53,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:18:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:53,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:18:53,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:18:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:18:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:53,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:18:53,782 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:19:02,335 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:10,169 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:10,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1608831400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:10,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:19:10,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:19:10,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437176801] [2022-11-26 00:19:10,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:10,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:19:10,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:10,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:19:10,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:19:10,181 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:15,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:17,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:19,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:19:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:23,433 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:19:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:19:23,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 00:19:23,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:23,436 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:19:23,436 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:19:23,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:19:23,439 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:23,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2022-11-26 00:19:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:19:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:19:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:19:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:19:23,463 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:19:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:23,463 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:19:23,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:19:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:19:23,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:23,466 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:23,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:19:23,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:19:23,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:19:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:23,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-26 00:19:23,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:23,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614518912] [2022-11-26 00:19:23,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:23,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:23,884 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:19:23,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558401004] [2022-11-26 00:19:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:23,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:19:23,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:19:23,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:19:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:19:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:25,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:19:25,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:19:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:19:25,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:19:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:19:25,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:25,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614518912] [2022-11-26 00:19:25,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:19:25,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558401004] [2022-11-26 00:19:25,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558401004] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:19:25,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [727340713] [2022-11-26 00:19:25,416 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:19:25,417 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:19:25,417 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:19:25,418 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:19:25,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:19:25,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:25,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:25,629 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:19:25,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 00:19:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:25,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:25,670 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:19:25,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:19:25,729 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:25,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:25,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:19:26,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:19:26,243 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 [2022-11-26 00:19:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:26,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:19:26,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:19:26,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:19:26,619 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:19:26,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-26 00:19:26,717 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:19:26,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:19:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:26,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:26,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:19:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,221 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:19:27,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:19:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:27,290 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:19:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:19:27,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:19:27,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:19:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:19:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:27,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:19:27,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:19:27,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:19:28,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:19:28,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:19:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:28,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:19:28,332 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:19:28,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:19:28,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-26 00:19:28,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:19:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:19:28,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:19:28,889 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:19:29,093 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:19:37,546 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:46,067 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:19:56,813 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:10,783 WARN L233 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:23,691 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:20:24,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [727340713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:24,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:20:24,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:20:24,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665124556] [2022-11-26 00:20:24,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:24,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:20:24,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:24,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:20:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:20:24,531 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:27,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:29,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:32,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:34,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:36,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:38,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:40,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:42,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:44,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:50,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:53,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:20:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:53,198 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:20:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:53,198 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-26 00:20:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:53,200 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:20:53,201 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:20:53,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 56.2s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:20:53,203 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:53,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 10 Unknown, 0 Unchecked, 27.9s Time] [2022-11-26 00:20:53,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:20:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:20:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 00:20:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:20:53,275 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:20:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:53,277 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:20:53,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:20:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:20:53,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:53,283 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:53,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:20:53,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:20:53,495 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:20:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:53,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-26 00:20:53,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:53,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789914113] [2022-11-26 00:20:53,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:53,660 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:20:53,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029995162] [2022-11-26 00:20:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:53,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:53,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:53,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6886358d-4a64-4f58-bcf9-f5585c1ae8a2/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:20:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:54,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:55,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:55,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:55,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:55,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789914113] [2022-11-26 00:20:55,272 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:20:55,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029995162] [2022-11-26 00:20:55,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029995162] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:55,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1908560255] [2022-11-26 00:20:55,277 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:20:55,277 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:20:55,278 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:20:55,278 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:20:55,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:20:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:20:55,415 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:20:55,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:20:55,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:20:55,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:20:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:55,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:20:55,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:20:55,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:20:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:20:55,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:20:55,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:20:55,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:20:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:20:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:20:56,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:20:56,208 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:20:56,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 00:20:56,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-26 00:20:56,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:20:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:20:56,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:20:56,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:20:56,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:20:56,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:20:56,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:20:56,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:20:56,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:20:56,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:20:56,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:20:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:20:56,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:20:56,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:20:56,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:56,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:20:56,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:20:56,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:20:57,811 INFO L217 Elim1Store]: Index analysis took 588 ms [2022-11-26 00:21:00,223 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:21:00,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-26 00:21:00,998 INFO L217 Elim1Store]: Index analysis took 588 ms [2022-11-26 00:21:03,297 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:21:03,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-26 00:21:12,890 WARN L233 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:21:12,891 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:21:12,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 00:21:38,270 WARN L233 SmtUtils]: Spent 25.21s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:21:38,270 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:21:38,271 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 1824 [2022-11-26 00:21:39,264 INFO L217 Elim1Store]: Index analysis took 769 ms [2022-11-26 00:22:03,008 WARN L233 SmtUtils]: Spent 23.04s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:22:03,009 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:22:03,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:22:04,569 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-26 00:22:05,076 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:22:05,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:22:05,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:22:05,713 INFO L217 Elim1Store]: Index analysis took 241 ms [2022-11-26 00:22:07,071 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:22:07,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:22:15,109 INFO L217 Elim1Store]: Index analysis took 918 ms