./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:10:41,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:10:41,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:10:41,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:10:41,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:10:41,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:10:41,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:10:41,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:10:41,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:10:41,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:10:41,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:10:41,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:10:41,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:10:41,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:10:41,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:10:41,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:10:41,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:10:41,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:10:41,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:10:41,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:10:41,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:10:41,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:10:41,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:10:41,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:10:41,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:10:41,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:10:41,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:10:41,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:10:41,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:10:41,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:10:41,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:10:41,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:10:41,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:10:41,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:10:41,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:10:41,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:10:41,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:10:41,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:10:41,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:10:41,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:10:41,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:10:41,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:10:41,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:10:41,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:10:41,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:10:41,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:10:41,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:10:41,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:10:41,502 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:10:41,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:10:41,503 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:10:41,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:10:41,504 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:10:41,504 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:10:41,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:10:41,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:10:41,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:10:41,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:10:41,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:10:41,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:10:41,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:10:41,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:10:41,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:10:41,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:10:41,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:10:41,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:10:41,508 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_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2022-12-14 10:10:41,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:10:41,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:10:41,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:10:41,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:10:41,696 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:10:41,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2022-12-14 10:10:44,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:10:44,562 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:10:44,562 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2022-12-14 10:10:44,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/data/d6a1270b8/f69935dc19234ba0ad87ea7727d27328/FLAG8ac83ac99 [2022-12-14 10:10:44,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/data/d6a1270b8/f69935dc19234ba0ad87ea7727d27328 [2022-12-14 10:10:44,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:10:44,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:10:44,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:10:44,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:10:44,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:10:44,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:10:44" (1/1) ... [2022-12-14 10:10:44,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240cd888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:44, skipping insertion in model container [2022-12-14 10:10:44,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:10:44" (1/1) ... [2022-12-14 10:10:44,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:10:44,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:10:44,894 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_1c2840ef-cf45-40b6-9bc5-314ec669c259/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2022-12-14 10:10:44,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:10:44,971 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:10:44,992 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_1c2840ef-cf45-40b6-9bc5-314ec669c259/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2022-12-14 10:10:45,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:10:45,052 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:10:45,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45 WrapperNode [2022-12-14 10:10:45,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:10:45,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:10:45,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:10:45,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:10:45,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,116 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-12-14 10:10:45,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:10:45,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:10:45,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:10:45,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:10:45,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:10:45,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:10:45,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:10:45,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:10:45,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (1/1) ... [2022-12-14 10:10:45,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:10:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:10:45,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:10:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:10:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:10:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 10:10:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 10:10:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:10:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:10:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:10:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:10:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:10:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:10:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:10:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:10:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:10:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:10:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:10:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:10:45,441 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:10:45,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:10:46,991 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:10:47,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:10:47,291 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-12-14 10:10:47,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:10:47 BoogieIcfgContainer [2022-12-14 10:10:47,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:10:47,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:10:47,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:10:47,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:10:47,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:10:44" (1/3) ... [2022-12-14 10:10:47,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac818ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:10:47, skipping insertion in model container [2022-12-14 10:10:47,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:10:45" (2/3) ... [2022-12-14 10:10:47,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac818ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:10:47, skipping insertion in model container [2022-12-14 10:10:47,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:10:47" (3/3) ... [2022-12-14 10:10:47,299 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-1.i [2022-12-14 10:10:47,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:10:47,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:10:47,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:10:47,353 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;@4b9fd67e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:10:47,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:10:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-12-14 10:10:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:10:47,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:10:47,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:10:47,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:10:47,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:10:47,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-12-14 10:10:47,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:10:47,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044193038] [2022-12-14 10:10:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:10:47,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:10:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:10:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:10:47,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:10:47,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044193038] [2022-12-14 10:10:47,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044193038] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:10:47,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:10:47,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:10:47,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257995625] [2022-12-14 10:10:47,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:10:47,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:10:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:10:47,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:10:47,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:10:47,538 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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) [2022-12-14 10:10:49,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:10:51,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:10:52,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:10:52,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:10:52,988 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-12-14 10:10:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:10:52,996 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 [2022-12-14 10:10:53,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:10:53,011 INFO L225 Difference]: With dead ends: 347 [2022-12-14 10:10:53,011 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 10:10:53,013 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 [2022-12-14 10:10:53,015 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:10:53,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 10:10:53,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 10:10:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 10:10:53,048 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) [2022-12-14 10:10:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 10:10:53,050 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 10:10:53,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:10:53,051 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 10:10:53,051 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) [2022-12-14 10:10:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 10:10:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 10:10:53,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:10:53,053 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] [2022-12-14 10:10:53,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:10:53,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:10:53,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:10:53,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-12-14 10:10:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:10:53,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784650016] [2022-12-14 10:10:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:10:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:10:53,244 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:10:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657914351] [2022-12-14 10:10:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:10:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:10:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:10:53,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:10:53,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:10:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:10:54,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:10:54,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:10:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:10:54,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:10:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:10:54,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:10:54,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784650016] [2022-12-14 10:10:54,259 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:10:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657914351] [2022-12-14 10:10:54,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657914351] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:10:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [383154480] [2022-12-14 10:10:54,274 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 10:10:54,274 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:10:54,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:10:54,282 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:10:54,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:10:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,380 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 [2022-12-14 10:10:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:10:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,402 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:10:54,403 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 [2022-12-14 10:10:54,452 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:10:54,452 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 [2022-12-14 10:10:54,467 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 [2022-12-14 10:10:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:10:54,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:10:54,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,794 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 [2022-12-14 10:10:54,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,831 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 [2022-12-14 10:10:54,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:10:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:10:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,913 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:10:54,914 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 [2022-12-14 10:10:54,944 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 10:10:54,944 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 [2022-12-14 10:10:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:54,962 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 [2022-12-14 10:10:54,994 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:10:54,995 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 [2022-12-14 10:10:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:10:55,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:10:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,348 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 [2022-12-14 10:10:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:10:55,379 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 [2022-12-14 10:10:55,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:10:55,438 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:11:03,079 WARN L233 SmtUtils]: Spent 5.02s 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) [2022-12-14 10:11:10,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [383154480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:10,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 10:11:10,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 10:11:10,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873347515] [2022-12-14 10:11:10,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:10,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:11:10,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:11:10,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:11:10,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 10:11:10,155 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) [2022-12-14 10:11:15,424 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] [2022-12-14 10:11:17,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:11:19,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:11:23,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:23,835 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 10:11:23,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:11:23,835 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 [2022-12-14 10:11:23,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:23,837 INFO L225 Difference]: With dead ends: 265 [2022-12-14 10:11:23,837 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 10:11:23,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 10:11:23,839 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:23,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 10:11:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 10:11:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 10:11:23,859 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) [2022-12-14 10:11:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 10:11:23,860 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 10:11:23,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:23,861 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 10:11:23,861 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) [2022-12-14 10:11:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 10:11:23,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 10:11:23,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:23,863 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] [2022-12-14 10:11:23,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:11:24,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 10:11:24,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:24,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-12-14 10:11:24,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:11:24,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949199582] [2022-12-14 10:11:24,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:24,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:11:24,220 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:11:24,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408838234] [2022-12-14 10:11:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:24,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:11:24,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:11:24,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:11:24,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:11:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:24,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:11:24,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:11:25,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:11:25,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:11:25,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949199582] [2022-12-14 10:11:25,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:11:25,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408838234] [2022-12-14 10:11:25,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408838234] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:25,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1880707983] [2022-12-14 10:11:25,084 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 10:11:25,084 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:11:25,084 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:11:25,085 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:11:25,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:11:25,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,145 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 [2022-12-14 10:11:25,174 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:11:25,175 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 [2022-12-14 10:11:25,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:11:25,194 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 [2022-12-14 10:11:25,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:11:25,204 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 [2022-12-14 10:11:25,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:11:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,418 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 [2022-12-14 10:11:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,459 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 [2022-12-14 10:11:25,491 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 [2022-12-14 10:11:25,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:11:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,569 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 [2022-12-14 10:11:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,614 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 [2022-12-14 10:11:25,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:11:25,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:11:25,734 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:11:25,735 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 [2022-12-14 10:11:25,749 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 [2022-12-14 10:11:25,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:11:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:25,814 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 [2022-12-14 10:11:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,065 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 [2022-12-14 10:11:26,096 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:11:26,097 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 [2022-12-14 10:11:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:11:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:11:26,117 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 [2022-12-14 10:11:26,125 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 [2022-12-14 10:11:26,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:11:26,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:11:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,436 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 [2022-12-14 10:11:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,468 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 [2022-12-14 10:11:26,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:11:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,571 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 [2022-12-14 10:11:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,603 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 [2022-12-14 10:11:26,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:11:26,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:11:26,712 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:11:26,712 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 [2022-12-14 10:11:26,723 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 [2022-12-14 10:11:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:11:26,759 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 [2022-12-14 10:11:26,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:11:27,043 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 10:11:27,112 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:11:40,781 WARN L233 SmtUtils]: Spent 5.55s 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) [2022-12-14 10:11:50,144 WARN L233 SmtUtils]: Spent 5.27s 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) [2022-12-14 10:12:01,753 WARN L233 SmtUtils]: Spent 5.48s 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) [2022-12-14 10:12:14,477 WARN L233 SmtUtils]: Spent 6.39s 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) [2022-12-14 10:12:14,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1880707983] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:12:14,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 10:12:14,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 10:12:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214019763] [2022-12-14 10:12:14,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:12:14,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 10:12:14,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:12:14,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 10:12:14,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 10:12:14,971 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) [2022-12-14 10:12:17,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:19,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:21,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:23,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:25,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:27,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:30,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:32,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:34,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:36,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 10:12:47,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:12:47,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:12:47,251 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 10:12:47,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:12:47,251 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 [2022-12-14 10:12:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:12:47,252 INFO L225 Difference]: With dead ends: 267 [2022-12-14 10:12:47,252 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 10:12:47,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 10:12:47,253 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:12:47,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 391 Invalid, 10 Unknown, 0 Unchecked, 32.2s Time] [2022-12-14 10:12:47,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 10:12:47,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 10:12:47,269 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) [2022-12-14 10:12:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 10:12:47,270 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 10:12:47,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:12:47,271 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 10:12:47,271 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) [2022-12-14 10:12:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 10:12:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 10:12:47,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:12:47,272 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] [2022-12-14 10:12:47,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:12:47,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:12:47,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:12:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:12:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-12-14 10:12:47,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:12:47,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68149400] [2022-12-14 10:12:47,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:12:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:12:47,631 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:12:47,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350032768] [2022-12-14 10:12:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:12:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:12:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:12:47,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:12:47,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2840ef-cf45-40b6-9bc5-314ec669c259/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:12:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:12:48,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:12:48,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:12:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:12:48,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:12:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:12:48,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:12:48,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68149400] [2022-12-14 10:12:48,443 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:12:48,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350032768] [2022-12-14 10:12:48,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350032768] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:12:48,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [35253903] [2022-12-14 10:12:48,446 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 10:12:48,447 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:12:48,447 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:12:48,447 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:12:48,447 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:12:48,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:12:48,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,507 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:12:48,507 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 [2022-12-14 10:12:48,540 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 10:12:48,540 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 [2022-12-14 10:12:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:12:48,558 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 [2022-12-14 10:12:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 10:12:48,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:12:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,763 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 [2022-12-14 10:12:48,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,791 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 [2022-12-14 10:12:48,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 10:12:48,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,868 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 [2022-12-14 10:12:48,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,899 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 [2022-12-14 10:12:48,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:12:48,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 10:12:48,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:12:48,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:48,984 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 [2022-12-14 10:12:49,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 10:12:49,055 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 10:12:49,056 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 [2022-12-14 10:12:49,103 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 10:12:49,104 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 [2022-12-14 10:12:49,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 10:12:49,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:12:49,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:12:49,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:12:49,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 10:12:49,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 10:12:49,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 10:12:49,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:12:49,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 10:12:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,314 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 [2022-12-14 10:12:49,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 10:12:49,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 10:12:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:12:49,474 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 [2022-12-14 10:12:49,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 10:12:49,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 10:12:50,029 INFO L217 Elim1Store]: Index analysis took 366 ms [2022-12-14 10:12:52,717 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 10:12:52,718 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 [2022-12-14 10:12:53,314 INFO L217 Elim1Store]: Index analysis took 479 ms [2022-12-14 10:12:55,576 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 10:12:55,577 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 [2022-12-14 10:13:01,627 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:13:01,628 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 10:13:01,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 10:13:18,121 WARN L233 SmtUtils]: Spent 16.38s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:13:18,121 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 10:13:18,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-12-14 10:13:18,754 INFO L217 Elim1Store]: Index analysis took 509 ms [2022-12-14 10:13:32,752 WARN L233 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:13:32,753 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 10:13:32,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 10:13:33,958 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 10:13:33,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 10:13:34,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 10:13:34,376 INFO L217 Elim1Store]: Index analysis took 253 ms [2022-12-14 10:13:34,870 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:13:34,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 10:13:38,825 INFO L217 Elim1Store]: Index analysis took 505 ms