./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/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 c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- 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 00:08:51,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:08:51,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:08:51,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:08:51,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:08:51,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:08:51,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:08:51,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:08:51,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:08:51,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:08:51,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:08:51,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:08:51,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:08:51,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:08:51,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:08:51,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:08:51,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:08:51,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:08:51,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:08:51,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:08:51,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:08:51,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:08:51,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:08:51,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:08:51,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:08:51,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:08:51,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:08:51,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:08:51,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:08:51,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:08:51,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:08:51,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:08:51,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:08:51,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:08:51,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:08:51,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:08:51,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:08:51,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:08:51,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:08:51,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:08:51,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:08:51,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:08:51,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:08:51,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:08:51,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:08:51,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:08:51,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:08:51,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:08:51,846 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:08:51,846 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:08:51,846 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:08:51,847 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:08:51,848 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:08:51,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:08:51,848 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:08:51,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:08:51,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:08:51,849 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:08:51,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:08:51,850 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:08:51,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:08:51,851 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:08:51,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:08:51,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:08:51,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:08:51,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:08:51,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:08:51,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:08:51,853 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:08:51,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:08:51,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:08:51,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:08:51,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:08:51,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:08:51,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:08:51,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:08:51,855 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:08:51,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:08:51,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:08:51,857 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:08:51,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:08:51,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:08:51,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:08:51,858 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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2022-11-26 00:08:52,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:08:52,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:08:52,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:08:52,279 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:08:52,280 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:08:52,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2022-11-26 00:08:55,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:08:55,969 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:08:55,970 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2022-11-26 00:08:55,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/data/e64ca8b37/a721e39d7cf54dffb1ad32d201a7d43b/FLAGd22276605 [2022-11-26 00:08:56,160 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/data/e64ca8b37/a721e39d7cf54dffb1ad32d201a7d43b [2022-11-26 00:08:56,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:08:56,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:08:56,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:08:56,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:08:56,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:08:56,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:08:56" (1/1) ... [2022-11-26 00:08:56,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c718763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:56, skipping insertion in model container [2022-11-26 00:08:56,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:08:56" (1/1) ... [2022-11-26 00:08:56,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:08:56,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:08:56,760 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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2022-11-26 00:08:57,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:08:57,037 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:08:57,096 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_3438a3fb-af5f-4c7d-8954-9f63693a9f28/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2022-11-26 00:08:57,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:08:57,197 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:08:57,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57 WrapperNode [2022-11-26 00:08:57,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:08:57,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:08:57,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:08:57,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:08:57,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,354 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-11-26 00:08:57,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:08:57,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:08:57,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:08:57,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:08:57,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:08:57,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:08:57,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:08:57,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:08:57,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (1/1) ... [2022-11-26 00:08:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:08:57,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:08:57,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:08:57,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:08:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:08:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:08:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:08:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:08:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:08:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:08:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:08:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:08:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:08:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:08:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:08:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:08:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:08:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:08:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:08:57,905 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:08:57,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:08:59,983 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:09:00,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:09:00,608 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-11-26 00:09:00,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:09:00 BoogieIcfgContainer [2022-11-26 00:09:00,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:09:00,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:09:00,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:09:00,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:09:00,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:08:56" (1/3) ... [2022-11-26 00:09:00,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49179a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:09:00, skipping insertion in model container [2022-11-26 00:09:00,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:57" (2/3) ... [2022-11-26 00:09:00,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49179a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:09:00, skipping insertion in model container [2022-11-26 00:09:00,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:09:00" (3/3) ... [2022-11-26 00:09:00,629 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-3.i [2022-11-26 00:09:00,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:09:00,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:09:00,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:09:00,713 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;@22bc24f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:09:00,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:09:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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 00:09:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:09:00,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:00,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:00,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:09:00,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-11-26 00:09:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:00,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384516594] [2022-11-26 00:09:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:00,962 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 00:09:00,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:00,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384516594] [2022-11-26 00:09:00,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384516594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:00,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:00,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:00,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605652999] [2022-11-26 00:09:00,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:00,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:00,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:01,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:01,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:01,011 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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 00:09:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:03,771 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-11-26 00:09:03,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:03,781 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 00:09:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:03,791 INFO L225 Difference]: With dead ends: 399 [2022-11-26 00:09:03,792 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:09:03,796 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 00:09:03,799 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:03,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:09:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:09:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:09:03,871 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 00:09:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:09:03,875 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:09:03,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:03,876 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:09:03,876 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 00:09:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:09:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:09:03,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:03,880 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 00:09:03,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:09:03,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:09:03,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:03,881 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-11-26 00:09:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:03,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894838310] [2022-11-26 00:09:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:04,235 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:09:04,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594819559] [2022-11-26 00:09:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:04,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:09:04,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:09:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:05,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:09:05,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:09:05,931 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 00:09:05,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:09:06,069 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 00:09:06,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:06,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894838310] [2022-11-26 00:09:06,070 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:09:06,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594819559] [2022-11-26 00:09:06,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594819559] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:09:06,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2029663411] [2022-11-26 00:09:06,100 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:09:06,101 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:09:06,105 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:09:06,112 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:09:06,112 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:09:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,353 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:09:06,355 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 00:09:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,386 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 00:09:06,434 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:09:06,435 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 00:09:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,462 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 00:09:06,512 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:06,512 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 00:09:06,953 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 00:09:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,021 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 00:09:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,080 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 00:09:07,125 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 00:09:07,196 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:09:07,196 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 00:09:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,216 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 00:09:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,244 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:09:07,245 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 00:09:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,268 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 00:09:07,320 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:07,320 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 00:09:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,824 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 00:09:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:07,869 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 00:09:07,944 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 00:09:07,964 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 00:09:08,008 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:09:23,158 WARN L233 SmtUtils]: Spent 5.18s 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 00:09:23,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2029663411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:23,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:09:23,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:09:23,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333038855] [2022-11-26 00:09:23,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:23,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:09:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:09:23,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:09:23,181 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 00:09:26,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:28,330 WARN L539 Checker$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 00:09:30,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:34,879 WARN L539 Checker$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 00:09:37,777 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 00:09:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:37,795 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:09:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:09:37,795 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 00:09:37,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:37,797 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:09:37,798 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:09:37,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:09:37,800 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:37,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 5 Unknown, 0 Unchecked, 13.7s Time] [2022-11-26 00:09:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:09:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:09:37,820 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 00:09:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:09:37,822 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:09:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:37,823 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:09:37,823 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 00:09:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:09:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:09:37,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:37,826 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 00:09:37,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:09:38,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:38,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:09:38,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-11-26 00:09:38,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:38,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850579970] [2022-11-26 00:09:38,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:38,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:38,239 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:09:38,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823954542] [2022-11-26 00:09:38,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:38,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:38,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:38,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:09:38,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:09:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:39,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:09:39,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:09:39,526 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 00:09:39,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:09:39,744 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 00:09:39,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:39,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850579970] [2022-11-26 00:09:39,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:09:39,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823954542] [2022-11-26 00:09:39,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823954542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:09:39,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [495145716] [2022-11-26 00:09:39,752 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:09:39,753 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:09:39,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:09:39,754 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:09:39,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:09:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:39,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:39,874 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:09:39,877 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 00:09:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:39,895 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 00:09:39,939 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:09:39,939 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 00:09:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:39,962 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 00:09:40,013 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:40,013 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 00:09:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,385 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 00:09:40,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,434 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 00:09:40,471 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 00:09:40,491 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 00:09:40,524 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 00:09:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,577 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 00:09:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,641 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 00:09:40,678 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 00:09:40,740 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 00:09:40,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:40,794 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 00:09:40,838 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 00:09:40,930 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:09:40,930 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 00:09:40,955 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 00:09:41,294 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:41,295 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 00:09:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,318 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 00:09:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,335 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 00:09:41,344 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 00:09:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:41,357 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 00:09:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,787 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 00:09:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,834 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 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:09:41,872 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 00:09:41,891 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 00:09:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:41,989 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 00:09:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,042 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 00:09:42,071 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 00:09:42,087 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 00:09:42,137 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 00:09:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:42,184 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 00:09:42,235 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 00:09:42,321 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:09:42,322 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 00:09:42,346 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 00:09:42,742 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:09:42,846 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:09:49,062 WARN L233 SmtUtils]: Spent 5.28s 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 00:09:57,119 WARN L233 SmtUtils]: Spent 5.95s 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 00:10:07,276 WARN L233 SmtUtils]: Spent 6.03s 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 00:10:21,079 WARN L233 SmtUtils]: Spent 7.64s 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 00:10:34,124 WARN L233 SmtUtils]: Spent 6.81s 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 00:10:34,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [495145716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:34,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:10:34,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:10:34,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2676932] [2022-11-26 00:10:34,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:34,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:34,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:34,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:34,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:10:34,777 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 00:10:37,160 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 00:10:39,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:10:41,396 WARN L539 Checker$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 00:10:43,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:10:45,534 WARN L539 Checker$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 00:10:47,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:10:49,638 WARN L539 Checker$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 00:10:51,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:10:53,677 WARN L539 Checker$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 00:10:55,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:11:02,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:11:04,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:11:06,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:11:08,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:11:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:08,701 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:11:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:11:08,702 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 00:11:08,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:08,703 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:11:08,703 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:11:08,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.9s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:11:08,706 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:08,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 10 Unknown, 0 Unchecked, 33.9s Time] [2022-11-26 00:11:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:11:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:11:08,738 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 00:11:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:11:08,739 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:11:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:08,740 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:11:08,740 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 00:11:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:11:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:11:08,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:08,742 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 00:11:08,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:11:08,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:11:08,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:11:08,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:08,948 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-11-26 00:11:08,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:08,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297714649] [2022-11-26 00:11:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:09,106 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:11:09,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853114021] [2022-11-26 00:11:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:09,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:11:09,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:11:09,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:11:09,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3438a3fb-af5f-4c7d-8954-9f63693a9f28/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:11:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:10,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:11:10,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:11:10,500 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 00:11:10,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:11:10,641 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 00:11:10,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297714649] [2022-11-26 00:11:10,642 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:11:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853114021] [2022-11-26 00:11:10,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853114021] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:11:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [160455190] [2022-11-26 00:11:10,647 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:11:10,647 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:11:10,647 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:11:10,648 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:11:10,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:11:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:10,751 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 00:11:10,797 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:11:10,798 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 00:11:10,847 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:11:10,848 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 00:11:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:10,865 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 00:11:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:10,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:11:10,885 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 00:11:11,197 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 00:11:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,249 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 00:11:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,300 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 00:11:11,334 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 00:11:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,416 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 00:11:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,468 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 00:11:11,498 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 00:11:11,512 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 00:11:11,613 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 00:11:11,687 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:11:11,687 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 00:11:11,784 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:11:11,784 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 00:11:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:11,841 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 00:11:11,882 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 00:11:12,032 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 11 treesize of output 7 [2022-11-26 00:11:12,036 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 11 treesize of output 7 [2022-11-26 00:11:12,041 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 13 treesize of output 9 [2022-11-26 00:11:12,095 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:11:12,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-26 00:11:12,135 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:12,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-26 00:11:12,169 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:11:12,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:11:12,211 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 00:11:12,219 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 00:11:12,227 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 00:11:12,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,340 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 00:11:12,369 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 00:11:12,390 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 00:11:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:11:12,602 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 00:11:12,622 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 00:11:12,642 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 00:11:13,514 INFO L217 Elim1Store]: Index analysis took 552 ms [2022-11-26 00:11:16,494 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:11:16,495 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 00:11:17,347 INFO L217 Elim1Store]: Index analysis took 612 ms [2022-11-26 00:11:20,266 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:11:20,267 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 00:11:31,660 WARN L233 SmtUtils]: Spent 11.11s 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 00:11:31,661 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:11:31,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:11:31,847 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-26 00:12:01,444 WARN L233 SmtUtils]: Spent 29.59s 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 00:12:01,444 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:12:01,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 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 00:12:02,399 INFO L217 Elim1Store]: Index analysis took 629 ms [2022-11-26 00:12:35,626 WARN L233 SmtUtils]: Spent 32.67s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:12:35,627 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-26 00:12:35,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-26 00:12:36,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:37,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:37,159 INFO L217 Elim1Store]: Index analysis took 646 ms [2022-11-26 00:12:37,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-11-26 00:12:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:37,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:12:37,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:12:38,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:38,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-11-26 00:12:38,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:38,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-11-26 00:12:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:39,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:15:52,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:15:52,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13