./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7 --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 64bit --witnessprinter.graph.data.programhash 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:06:14,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:06:14,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:06:14,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:06:14,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:06:14,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:06:14,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:06:14,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:06:14,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:06:14,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:06:14,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:06:14,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:06:14,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:06:14,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:06:14,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:06:14,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:06:14,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:06:14,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:06:14,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:06:14,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:06:14,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:06:14,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:06:14,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:06:14,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:06:14,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:06:14,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:06:14,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:06:14,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:06:14,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:06:14,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:06:14,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:06:14,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:06:14,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:06:14,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:06:14,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:06:14,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:06:14,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:06:14,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:06:14,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:06:14,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:06:14,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:06:14,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:06:14,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:06:14,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:06:14,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:06:14,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:06:14,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:06:14,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:06:14,261 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:06:14,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:06:14,262 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:06:14,262 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:06:14,263 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:06:14,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:06:14,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:06:14,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:06:14,264 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:06:14,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:06:14,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:06:14,265 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:06:14,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:06:14,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:06:14,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:06:14,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:06:14,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:06:14,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:06:14,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:06:14,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:06:14,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:06:14,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:06:14,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:06:14,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:06:14,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:06:14,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:06:14,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:06:14,271 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:06:14,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:06:14,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:06:14,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:06:14,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:06:14,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2021-11-25 20:06:14,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:06:14,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:06:14,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:06:14,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:06:14,572 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:06:14,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-25 20:06:14,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/data/4a712f576/c22fe94e552643cd903d577534c7b4d1/FLAGde970a9ef [2021-11-25 20:06:15,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:06:15,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-25 20:06:15,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/data/4a712f576/c22fe94e552643cd903d577534c7b4d1/FLAGde970a9ef [2021-11-25 20:06:15,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/data/4a712f576/c22fe94e552643cd903d577534c7b4d1 [2021-11-25 20:06:15,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:06:15,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:06:15,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:16,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:06:16,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:06:16,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:15" (1/1) ... [2021-11-25 20:06:16,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168eb84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:16, skipping insertion in model container [2021-11-25 20:06:16,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:15" (1/1) ... [2021-11-25 20:06:16,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:06:16,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:06:16,479 WARN L230 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_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-25 20:06:16,487 WARN L230 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_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-25 20:06:17,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,654 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,670 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,671 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,678 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:17,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,151 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 20:06:18,152 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 20:06:18,153 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 20:06:18,155 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 20:06:18,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 20:06:18,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 20:06:18,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 20:06:18,159 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 20:06:18,160 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 20:06:18,161 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 20:06:18,432 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 20:06:18,883 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,911 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,944 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,944 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:18,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:06:19,044 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:06:19,072 WARN L230 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_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-25 20:06:19,073 WARN L230 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_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-25 20:06:19,126 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,136 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,138 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,142 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,143 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,143 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,144 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,175 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 20:06:19,175 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 20:06:19,176 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 20:06:19,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 20:06:19,178 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 20:06:19,178 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 20:06:19,179 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 20:06:19,179 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 20:06:19,180 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 20:06:19,180 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 20:06:19,212 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 20:06:19,400 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,401 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,408 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,409 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,411 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,420 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,422 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,422 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,422 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:06:19,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:06:19,697 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:06:19,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19 WrapperNode [2021-11-25 20:06:19,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:19,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:06:19,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:06:19,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:06:19,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,898 INFO L137 Inliner]: procedures = 774, calls = 2433, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 608 [2021-11-25 20:06:19,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:06:19,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:06:19,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:06:19,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:06:19,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:06:19,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:06:19,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:06:19,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:06:19,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (1/1) ... [2021-11-25 20:06:19,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:06:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:06:20,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:06:20,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:06:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 20:06:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:06:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 20:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 20:06:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:06:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-25 20:06:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-25 20:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:06:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 20:06:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 20:06:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 20:06:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 20:06:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:06:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-25 20:06:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-25 20:06:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:06:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 20:06:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 20:06:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:06:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-25 20:06:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-25 20:06:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:06:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2021-11-25 20:06:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2021-11-25 20:06:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-25 20:06:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-25 20:06:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 20:06:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 20:06:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-25 20:06:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-25 20:06:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:06:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 20:06:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 20:06:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-25 20:06:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-25 20:06:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:06:20,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:06:20,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:06:21,479 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:06:21,584 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:06:21,590 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:06:21,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:21 BoogieIcfgContainer [2021-11-25 20:06:21,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:06:21,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:06:21,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:06:21,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:06:21,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:06:15" (1/3) ... [2021-11-25 20:06:21,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecc343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:21, skipping insertion in model container [2021-11-25 20:06:21,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:19" (2/3) ... [2021-11-25 20:06:21,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecc343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:21, skipping insertion in model container [2021-11-25 20:06:21,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:21" (3/3) ... [2021-11-25 20:06:21,603 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2021-11-25 20:06:21,608 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:06:21,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:06:21,676 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:06:21,691 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:06:21,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:06:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-25 20:06:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 20:06:21,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:21,729 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:21,729 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:21,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash 94696135, now seen corresponding path program 1 times [2021-11-25 20:06:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908946944] [2021-11-25 20:06:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:21,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:22,211 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:06:22,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369376267] [2021-11-25 20:06:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:22,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:06:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:06:22,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:06:22,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:06:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:22,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:06:22,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:06:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-25 20:06:23,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:06:23,111 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:23,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908946944] [2021-11-25 20:06:23,111 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:06:23,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369376267] [2021-11-25 20:06:23,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369376267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:23,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:23,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:06:23,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136816980] [2021-11-25 20:06:23,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:23,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:06:23,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:06:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:06:23,172 INFO L87 Difference]: Start difference. First operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:06:24,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:24,034 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2021-11-25 20:06:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:06:24,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 80 [2021-11-25 20:06:24,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:24,046 INFO L225 Difference]: With dead ends: 176 [2021-11-25 20:06:24,046 INFO L226 Difference]: Without dead ends: 93 [2021-11-25 20:06:24,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:06:24,064 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:24,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 348 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 20:06:24,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-25 20:06:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-25 20:06:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 52 states have internal predecessors, (58), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2021-11-25 20:06:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2021-11-25 20:06:24,134 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 80 [2021-11-25 20:06:24,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:24,136 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2021-11-25 20:06:24,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:06:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-25 20:06:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 20:06:24,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:24,144 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:24,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:06:24,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 20:06:24,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:24,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:24,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1567370857, now seen corresponding path program 1 times [2021-11-25 20:06:24,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:24,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526869509] [2021-11-25 20:06:24,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:24,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-25 20:06:25,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:25,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526869509] [2021-11-25 20:06:25,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526869509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:25,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:25,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 20:06:25,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194026609] [2021-11-25 20:06:25,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:25,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:06:25,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:25,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:06:25,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:06:25,021 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-25 20:06:26,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:26,247 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2021-11-25 20:06:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:06:26,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 88 [2021-11-25 20:06:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:26,251 INFO L225 Difference]: With dead ends: 168 [2021-11-25 20:06:26,251 INFO L226 Difference]: Without dead ends: 95 [2021-11-25 20:06:26,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:06:26,253 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:26,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 440 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 20:06:26,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-25 20:06:26,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-25 20:06:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 20:06:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2021-11-25 20:06:26,276 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 88 [2021-11-25 20:06:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:26,277 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2021-11-25 20:06:26,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-25 20:06:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-25 20:06:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:06:26,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:26,286 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:26,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:06:26,286 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:26,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:26,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1983458522, now seen corresponding path program 1 times [2021-11-25 20:06:26,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:26,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092831139] [2021-11-25 20:06:26,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-25 20:06:26,703 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:26,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092831139] [2021-11-25 20:06:26,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092831139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:26,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:26,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 20:06:26,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240197842] [2021-11-25 20:06:26,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:26,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:06:26,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:26,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:06:26,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:06:26,709 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 20:06:28,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:28,616 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2021-11-25 20:06:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:06:28,617 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 94 [2021-11-25 20:06:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:28,619 INFO L225 Difference]: With dead ends: 175 [2021-11-25 20:06:28,620 INFO L226 Difference]: Without dead ends: 100 [2021-11-25 20:06:28,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-25 20:06:28,622 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 22 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:28,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 655 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 20:06:28,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-25 20:06:28,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2021-11-25 20:06:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 26 states have call successors, (26), 14 states have call predecessors, (26), 17 states have return successors, (28), 27 states have call predecessors, (28), 25 states have call successors, (28) [2021-11-25 20:06:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2021-11-25 20:06:28,642 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 94 [2021-11-25 20:06:28,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:28,643 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2021-11-25 20:06:28,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 20:06:28,644 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-25 20:06:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 20:06:28,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:28,652 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:28,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:06:28,653 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:28,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:28,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1798769416, now seen corresponding path program 1 times [2021-11-25 20:06:28,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:28,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006922989] [2021-11-25 20:06:28,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:28,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 20:06:29,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:29,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006922989] [2021-11-25 20:06:29,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006922989] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:06:29,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234617298] [2021-11-25 20:06:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:29,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:06:29,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:06:29,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:06:29,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:06:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:29,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-25 20:06:29,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:06:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 20:06:30,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:06:30,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234617298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:30,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:06:30,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2021-11-25 20:06:30,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949335271] [2021-11-25 20:06:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:30,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:06:30,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:06:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:06:30,081 INFO L87 Difference]: Start difference. First operand 98 states and 115 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-25 20:06:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:30,991 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2021-11-25 20:06:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:06:30,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 98 [2021-11-25 20:06:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:30,994 INFO L225 Difference]: With dead ends: 188 [2021-11-25 20:06:30,994 INFO L226 Difference]: Without dead ends: 100 [2021-11-25 20:06:30,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:06:30,996 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 13 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:30,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 358 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:06:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-25 20:06:31,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2021-11-25 20:06:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 58 states have internal predecessors, (62), 26 states have call successors, (26), 14 states have call predecessors, (26), 18 states have return successors, (29), 27 states have call predecessors, (29), 25 states have call successors, (29) [2021-11-25 20:06:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2021-11-25 20:06:31,009 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 98 [2021-11-25 20:06:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:31,010 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2021-11-25 20:06:31,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-25 20:06:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2021-11-25 20:06:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 20:06:31,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:31,012 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:31,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:06:31,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:06:31,239 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash 148500382, now seen corresponding path program 1 times [2021-11-25 20:06:31,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:31,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344412] [2021-11-25 20:06:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:31,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:31,324 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:06:31,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477640016] [2021-11-25 20:06:31,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:31,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:06:31,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:06:31,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:06:31,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef72120-6e5e-47fe-b7c9-a6ed311ab20d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:06:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:31,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-25 20:06:31,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:06:32,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:06:32,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:06:32,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-11-25 20:06:32,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 7 [2021-11-25 20:06:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 20:06:32,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:06:33,269 INFO L354 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2021-11-25 20:06:33,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-25 20:06:45,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:45,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344412] [2021-11-25 20:06:45,539 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:06:45,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477640016] [2021-11-25 20:06:45,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477640016] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:06:45,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1901303758] [2021-11-25 20:06:45,561 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2021-11-25 20:06:45,562 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:06:45,567 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:06:45,572 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:06:45,572 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:06:48,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:06:49,312 INFO L244 Elim1Store]: Index analysis took 423 ms [2021-11-25 20:07:06,599 WARN L227 SmtUtils]: Spent 17.18s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:07:06,605 INFO L354 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2021-11-25 20:07:06,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2021-11-25 20:07:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:10,270 INFO L244 Elim1Store]: Index analysis took 888 ms [2021-11-25 20:07:38,434 WARN L227 SmtUtils]: Spent 28.09s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:07:38,438 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-25 20:07:38,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-25 20:07:40,428 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 20:07:40,549 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 20:07:40,736 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 20:07:41,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:07:41,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 20:07:41,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:07:41,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 20:07:41,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 20:07:41,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:07:41,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:41,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:41,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:07:41,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:41,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:41,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:41,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:41,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:41,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 20:07:41,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:07:41,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 20:07:42,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:42,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:07:42,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:42,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-25 20:07:42,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 20:07:42,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 20:07:42,137 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 20:07:42,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 20:07:42,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:42,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:42,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:42,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 20:07:42,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:07:42,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 20:07:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:42,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 17 [2021-11-25 20:07:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:42,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:42,877 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-25 20:07:42,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 26 [2021-11-25 20:07:42,916 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:07:42,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2021-11-25 20:07:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:42,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 35 treesize of output 9 [2021-11-25 20:07:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:42,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 17 [2021-11-25 20:07:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 45 [2021-11-25 20:07:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:45,155 INFO L354 Elim1Store]: treesize reduction 48, result has 20.0 percent of original size [2021-11-25 20:07:45,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 44 [2021-11-25 20:07:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:46,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:46,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:07:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:46,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:46,374 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 20:07:46,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-25 20:07:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:46,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:46,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 48 [2021-11-25 20:07:46,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:46,531 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:46,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 18 [2021-11-25 20:07:46,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:46,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:46,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 18 [2021-11-25 20:07:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:47,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:07:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:47,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 48 [2021-11-25 20:07:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:07:47,715 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 20:07:47,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-25 20:07:47,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:47,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:47,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 18 [2021-11-25 20:07:47,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:07:47,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:07:47,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 18 [2021-11-25 20:07:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 20:07:50,576 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 20:07:50,735 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 196 [2021-11-25 20:07:50,852 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 67 for LOIs [2021-11-25 20:07:50,912 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_get_entry_count with input of size 66 for LOIs [2021-11-25 20:07:50,939 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 57 for LOIs [2021-11-25 20:07:50,948 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 197 for LOIs [2021-11-25 20:07:54,996 INFO L354 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2021-11-25 20:07:54,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 497 treesize of output 522 [2021-11-25 20:07:55,266 INFO L354 Elim1Store]: treesize reduction 116, result has 38.6 percent of original size [2021-11-25 20:07:55,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 522 treesize of output 575 [2021-11-25 20:10:29,750 INFO L354 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2021-11-25 20:10:29,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 497 treesize of output 522 [2021-11-25 20:10:30,254 INFO L354 Elim1Store]: treesize reduction 116, result has 38.6 percent of original size [2021-11-25 20:10:30,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 522 treesize of output 575 [2021-11-25 20:16:13,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 20:16:13,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 20:16:13,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 20:16:13,550 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 20:16:13,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 20:16:14,006 INFO L354 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2021-11-25 20:16:14,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 497 treesize of output 522 [2021-11-25 20:16:14,251 INFO L354 Elim1Store]: treesize reduction 116, result has 38.6 percent of original size [2021-11-25 20:16:14,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 522 treesize of output 575 [2021-11-25 20:16:29,235 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 237 for LOIs [2021-11-25 20:17:33,464 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:17:33,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 573 treesize of output 598 [2021-11-25 20:17:33,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:17:33,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 598 treesize of output 726