./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/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_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/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_dbcd748a-cded-4e60-9ca0-a1c622620eb3/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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- 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 07:10:49,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:10:49,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:10:49,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:10:49,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:10:49,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:10:49,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:10:49,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:10:49,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:10:49,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:10:49,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:10:49,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:10:49,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:10:49,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:10:49,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:10:49,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:10:49,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:10:49,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:10:49,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:10:49,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:10:49,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:10:49,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:10:49,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:10:49,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:10:49,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:10:49,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:10:49,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:10:49,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:10:49,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:10:49,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:10:49,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:10:49,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:10:49,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:10:49,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:10:49,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:10:49,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:10:49,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:10:49,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:10:49,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:10:49,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:10:49,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:10:49,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:10:49,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:10:49,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:10:49,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:10:49,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:10:49,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:10:49,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:10:49,319 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:10:49,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:10:49,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:10:49,321 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:10:49,321 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:10:49,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:10:49,321 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:10:49,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:10:49,322 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:10:49,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:10:49,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:10:49,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:10:49,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:10:49,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:10:49,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:10:49,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:10:49,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:49,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:10:49,324 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:10:49,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:10:49,325 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_dbcd748a-cded-4e60-9ca0-a1c622620eb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2022-12-14 07:10:49,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:10:49,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:10:49,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:10:49,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:10:49,507 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:10:49,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2022-12-14 07:10:52,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:10:52,429 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:10:52,429 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2022-12-14 07:10:52,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/data/84de213a0/650884432e8b48ff82aa2242e3ce9233/FLAG5c80db08c [2022-12-14 07:10:52,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/data/84de213a0/650884432e8b48ff82aa2242e3ce9233 [2022-12-14 07:10:52,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:10:52,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:10:52,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:52,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:10:52,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:10:52,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4859d6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52, skipping insertion in model container [2022-12-14 07:10:52,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:10:52,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:10:52,738 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_dbcd748a-cded-4e60-9ca0-a1c622620eb3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2022-12-14 07:10:52,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:52,799 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:10:52,818 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_dbcd748a-cded-4e60-9ca0-a1c622620eb3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2022-12-14 07:10:52,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:52,874 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:10:52,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52 WrapperNode [2022-12-14 07:10:52,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:52,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:52,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:10:52,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:10:52,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,928 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 07:10:52,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:52,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:10:52,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:10:52,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:10:52,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:52,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:10:52,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:10:52,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:10:52,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:10:52,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (1/1) ... [2022-12-14 07:10:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:10:53,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:10:53,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:10:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:10:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:10:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:10:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:10:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:10:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:10:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:10:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:10:53,218 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:10:53,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:10:53,970 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:10:54,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:10:54,212 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 07:10:54,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:54 BoogieIcfgContainer [2022-12-14 07:10:54,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:10:54,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:10:54,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:10:54,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:10:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:10:52" (1/3) ... [2022-12-14 07:10:54,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724b041c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:54, skipping insertion in model container [2022-12-14 07:10:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:52" (2/3) ... [2022-12-14 07:10:54,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724b041c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:54, skipping insertion in model container [2022-12-14 07:10:54,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:54" (3/3) ... [2022-12-14 07:10:54,221 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2022-12-14 07:10:54,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:10:54,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:10:54,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:10:54,274 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;@3ec95958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:10:54,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:10:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:10:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:10:54,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:54,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:10:54,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:10:54,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:54,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 07:10:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:54,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849153610] [2022-12-14 07:10:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:54,466 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 07:10:54,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:54,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849153610] [2022-12-14 07:10:54,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849153610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:10:54,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:10:54,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:10:54,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739014858] [2022-12-14 07:10:54,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:10:54,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:10:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:10:54,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:10:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:10:54,511 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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 07:10:55,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:55,173 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 07:10:55,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:10:55,177 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 07:10:55,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:55,184 INFO L225 Difference]: With dead ends: 237 [2022-12-14 07:10:55,184 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 07:10:55,186 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 07:10:55,188 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:55,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:10:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 07:10:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 07:10:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:10:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 07:10:55,219 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 07:10:55,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:55,219 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 07:10:55,219 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 07:10:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 07:10:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 07:10:55,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:55,221 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] [2022-12-14 07:10:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:10:55,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:10:55,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 07:10:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:55,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749389] [2022-12-14 07:10:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:55,343 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:10:55,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1797167725] [2022-12-14 07:10:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:10:55,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:10:55,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:10:55,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:10:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:55,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:10:55,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:10:55,913 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 07:10:55,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:10:55,958 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 07:10:55,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:55,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749389] [2022-12-14 07:10:55,959 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:10:55,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797167725] [2022-12-14 07:10:55,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797167725] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:10:55,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [61740280] [2022-12-14 07:10:55,978 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 07:10:55,979 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:10:55,982 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:10:55,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:10:55,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:10:56,106 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:10:56,107 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 07:10:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,126 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 07:10:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,138 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 07:10:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:10:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,160 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:10:56,160 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 07:10:56,212 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:10:56,212 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 07:10:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,557 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 07:10:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,596 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 07:10:56,625 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 07:10:56,643 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 07:10:56,962 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 07:10:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:56,998 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 07:10:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:57,045 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 07:10:57,081 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 07:10:57,108 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:11:11,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [61740280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:11,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:11:11,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:11:11,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322084451] [2022-12-14 07:11:11,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:11,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:11:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:11,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:11:11,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 07:11:11,428 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 07:11:14,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:11:16,604 WARN L539 Checker$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 07:11:19,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:11:19,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:19,859 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 07:11:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:11:19,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 31 [2022-12-14 07:11:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:19,865 INFO L225 Difference]: With dead ends: 171 [2022-12-14 07:11:19,865 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 07:11:19,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 07:11:19,866 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:19,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 07:11:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 07:11:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 07:11:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:11:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 07:11:19,876 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 07:11:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:19,876 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 07:11:19,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 07:11:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 07:11:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 07:11:19,877 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:19,877 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] [2022-12-14 07:11:19,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:11:20,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:11:20,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:11:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 07:11:20,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:20,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745531275] [2022-12-14 07:11:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:20,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:20,160 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:11:20,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926677480] [2022-12-14 07:11:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:20,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:11:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:11:20,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:11:20,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:11:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:20,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:11:20,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:11:20,472 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 07:11:20,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:11:20,524 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 07:11:20,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745531275] [2022-12-14 07:11:20,525 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:11:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926677480] [2022-12-14 07:11:20,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926677480] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:11:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2108365241] [2022-12-14 07:11:20,528 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:11:20,529 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:11:20,529 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:11:20,529 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:11:20,529 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:11:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,562 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 07:11:20,591 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:11:20,591 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 07:11:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:11:20,601 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 07:11:20,609 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 07:11:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,622 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 07:11:20,814 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 07:11:20,825 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 07:11:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,857 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 07:11:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,885 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 07:11:20,917 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 07:11:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,968 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 07:11:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:20,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,002 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 07:11:21,024 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 07:11:21,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,064 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 07:11:21,090 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 07:11:21,111 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 07:11:21,155 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:11:21,155 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 07:11:21,208 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:11:21,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:11:21,815 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 07:11:21,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:11:21,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,871 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 07:11:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,900 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 07:11:21,941 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 07:11:21,950 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 07:11:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:21,996 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 9897003 treesize of output 5376293 [2022-12-14 07:11:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,027 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 9897003 treesize of output 5376293 [2022-12-14 07:11:22,082 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 07:11:22,100 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 07:11:22,149 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:11:22,149 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 07:11:22,194 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:11:22,194 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 07:11:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:11:22,228 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 07:11:22,292 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 07:11:22,368 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:11:35,820 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:11:47,372 WARN L233 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:12:02,117 WARN L233 SmtUtils]: Spent 8.59s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:12:14,793 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:12:15,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2108365241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:15,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:12:15,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:12:15,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11094591] [2022-12-14 07:12:15,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:15,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:12:15,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:15,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:12:15,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:12:15,469 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 07:12:17,882 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 07:12:20,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:22,059 WARN L539 Checker$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 07:12:24,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:26,134 WARN L539 Checker$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 07:12:28,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:30,190 WARN L539 Checker$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 07:12:32,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:34,226 WARN L539 Checker$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 07:12:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:12:41,023 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 07:12:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:12:41,028 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2022-12-14 07:12:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:12:41,028 INFO L225 Difference]: With dead ends: 175 [2022-12-14 07:12:41,028 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 07:12:41,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:12:41,029 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:12:41,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 344 Invalid, 9 Unknown, 0 Unchecked, 25.5s Time] [2022-12-14 07:12:41,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 07:12:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 07:12:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 07:12:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 07:12:41,044 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 07:12:41,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:12:41,044 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 07:12:41,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 07:12:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 07:12:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 07:12:41,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:41,045 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] [2022-12-14 07:12:41,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:12:41,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:12:41,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:12:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:41,248 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 07:12:41,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:41,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100733482] [2022-12-14 07:12:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:41,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:41,360 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:12:41,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434210366] [2022-12-14 07:12:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:41,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:12:41,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:12:41,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:12:41,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcd748a-cded-4e60-9ca0-a1c622620eb3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:12:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:41,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:12:41,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:12:41,682 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 07:12:41,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:12:41,719 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 07:12:41,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100733482] [2022-12-14 07:12:41,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:12:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434210366] [2022-12-14 07:12:41,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434210366] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:12:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [97466443] [2022-12-14 07:12:41,721 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:12:41,721 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:12:41,722 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:12:41,722 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:12:41,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:12:41,770 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:12:41,770 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 07:12:41,776 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 07:12:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:12:41,785 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 07:12:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,796 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 07:12:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,807 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 07:12:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:41,994 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 07:12:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,022 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 07:12:42,049 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 07:12:42,062 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 07:12:42,084 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 07:12:42,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,135 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 07:12:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,168 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 07:12:42,187 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 07:12:42,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,231 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 07:12:42,253 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 07:12:42,275 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 07:12:42,338 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:12:42,338 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 07:12:42,353 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 07:12:42,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:12:42,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:12:42,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:12:42,499 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:12:42,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 07:12:42,524 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 07:12:42,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 07:12:42,548 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:12:42,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 07:12:42,576 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 07:12:42,580 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 07:12:42,585 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 07:12:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,637 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 07:12:42,658 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 07:12:42,673 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 07:12:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:42,804 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 07:12:42,816 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 07:12:42,830 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 07:12:43,426 INFO L217 Elim1Store]: Index analysis took 382 ms [2022-12-14 07:12:45,507 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 07:12:45,508 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 10752658 treesize of output 10752661 [2022-12-14 07:12:46,812 INFO L217 Elim1Store]: Index analysis took 1214 ms [2022-12-14 07:12:50,761 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:12:50,761 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 10752663 treesize of output 10752665 [2022-12-14 07:12:58,265 WARN L233 SmtUtils]: Spent 7.47s 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 07:12:58,266 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:12:58,266 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 1476 [2022-12-14 07:13:13,608 WARN L233 SmtUtils]: Spent 15.25s 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 07:13:13,608 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:13:13,609 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 1834 [2022-12-14 07:13:14,234 INFO L217 Elim1Store]: Index analysis took 519 ms [2022-12-14 07:13:35,803 WARN L233 SmtUtils]: Spent 21.23s 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 07:13:35,804 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 07:13:35,804 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 07:13:36,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:13:36,817 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 07:13:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:36,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:13:36,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 07:16:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:16:19,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:16:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:16:19,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:19:41,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:19:41,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:19:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:19:42,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11