./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V --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 ce5362e495562dfaea277a751eacbf753e9d90aa85c88e38ea1b10dbc078ec49 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:54:46,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:54:46,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:54:46,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:54:46,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:54:46,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:54:46,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:54:46,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:54:46,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:54:46,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:54:46,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:54:46,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:54:46,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:54:46,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:54:46,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:54:46,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:54:46,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:54:46,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:54:46,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:54:46,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:54:46,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:54:46,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:54:46,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:54:46,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:54:46,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:54:46,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:54:46,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:54:46,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:54:46,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:54:46,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:54:46,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:54:46,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:54:46,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:54:46,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:54:46,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:54:46,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:54:46,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:54:46,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:54:46,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:54:46,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:54:46,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:54:46,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:54:46,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:54:46,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:54:46,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:54:46,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:54:46,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:54:46,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:54:46,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:54:46,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:54:46,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:54:46,724 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:54:46,726 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:54:46,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:54:46,727 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:54:46,727 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:54:46,727 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:54:46,728 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:54:46,728 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:54:46,729 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:54:46,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:54:46,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:54:46,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:54:46,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:54:46,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:54:46,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:54:46,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:54:46,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:54:46,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:54:46,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:54:46,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:54:46,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:46,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:54:46,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:54:46,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:54:46,747 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:54:46,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:54:46,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:54:46,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:54:46,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:54:46,748 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_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5362e495562dfaea277a751eacbf753e9d90aa85c88e38ea1b10dbc078ec49 [2021-11-23 03:54:47,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:54:47,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:54:47,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:54:47,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:54:47,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:54:47,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i [2021-11-23 03:54:47,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/data/b89760ca0/e937576f805e4f94b2713ce7381ec612/FLAG3b2808132 [2021-11-23 03:54:48,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:54:48,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i [2021-11-23 03:54:48,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/data/b89760ca0/e937576f805e4f94b2713ce7381ec612/FLAG3b2808132 [2021-11-23 03:54:48,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/data/b89760ca0/e937576f805e4f94b2713ce7381ec612 [2021-11-23 03:54:48,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:54:48,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:54:48,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:48,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:54:48,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:54:48,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2021-11-23 03:54:48,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121cb9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48, skipping insertion in model container [2021-11-23 03:54:48,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2021-11-23 03:54:48,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:54:48,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:54:49,149 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_fd3b43af-2383-4908-b124-5d3b3a9d7c14/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4494,4507] [2021-11-23 03:54:49,157 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_fd3b43af-2383-4908-b124-5d3b3a9d7c14/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4554,4567] [2021-11-23 03:54:50,166 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,168 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,169 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,199 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,200 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,203 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:50,689 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 03:54:50,694 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 03:54:50,701 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 03:54:50,703 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 03:54:50,706 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 03:54:50,713 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 03:54:50,715 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 03:54:50,715 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 03:54:50,716 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 03:54:50,717 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 03:54:50,917 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 03:54:50,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:50,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:54:51,018 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_fd3b43af-2383-4908-b124-5d3b3a9d7c14/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4494,4507] [2021-11-23 03:54:51,028 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_fd3b43af-2383-4908-b124-5d3b3a9d7c14/sv-benchmarks/c/aws-c-common/aws_linked_list_rend_harness.i[4554,4567] [2021-11-23 03:54:51,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,173 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,186 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,187 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,189 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,190 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,190 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,191 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 03:54:51,242 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 03:54:51,244 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 03:54:51,245 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 03:54:51,246 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 03:54:51,248 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 03:54:51,248 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 03:54:51,249 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 03:54:51,250 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 03:54:51,251 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 03:54:51,251 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 03:54:51,282 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 03:54:51,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:51,520 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:54:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51 WrapperNode [2021-11-23 03:54:51,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:51,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:51,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:54:51,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:54:51,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,772 INFO L137 Inliner]: procedures = 679, calls = 1040, calls flagged for inlining = 52, calls inlined = 6, statements flattened = 136 [2021-11-23 03:54:51,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:51,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:54:51,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:54:51,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:54:51,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:54:51,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:54:51,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:54:51,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:54:51,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 03:54:51,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:51,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:51,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:54:51,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:54:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:54:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:54:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:54:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 03:54:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 03:54:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:54:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 03:54:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 03:54:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:54:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:54:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:54:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:54:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:54:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:54:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:54:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:54:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:54:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 03:54:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 03:54:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:54:52,265 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:54:52,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:54:52,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:54:52,894 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:54:52,895 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 03:54:52,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:52 BoogieIcfgContainer [2021-11-23 03:54:52,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:54:52,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:54:52,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:54:52,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:54:52,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:48" (1/3) ... [2021-11-23 03:54:52,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357df9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:52, skipping insertion in model container [2021-11-23 03:54:52,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (2/3) ... [2021-11-23 03:54:52,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357df9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:52, skipping insertion in model container [2021-11-23 03:54:52,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:52" (3/3) ... [2021-11-23 03:54:52,911 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_rend_harness.i [2021-11-23 03:54:52,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:54:52,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:54:53,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:54:53,017 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 [2021-11-23 03:54:53,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:54:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:54:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 03:54:53,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:53,049 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:53,049 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:53,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:53,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1338419167, now seen corresponding path program 1 times [2021-11-23 03:54:53,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:53,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699335244] [2021-11-23 03:54:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:53,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 03:54:53,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:53,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699335244] [2021-11-23 03:54:53,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699335244] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:54:53,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118603461] [2021-11-23 03:54:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:53,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:54:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:53,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:54:53,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:54:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:53,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 03:54:53,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:54:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 19 [2021-11-23 03:54:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 19 [2021-11-23 03:54:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 41 [2021-11-23 03:54:54,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:54,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2021-11-23 03:54:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 03:54:57,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:54:57,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118603461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:57,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:54:57,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2021-11-23 03:54:57,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967299180] [2021-11-23 03:54:57,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:57,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:54:57,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:54:57,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:54:57,235 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 03:54:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:57,580 INFO L93 Difference]: Finished difference Result 101 states and 146 transitions. [2021-11-23 03:54:57,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:54:57,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 37 [2021-11-23 03:54:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:57,591 INFO L225 Difference]: With dead ends: 101 [2021-11-23 03:54:57,592 INFO L226 Difference]: Without dead ends: 60 [2021-11-23 03:54:57,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:54:57,599 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 18 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 83 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:57,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 245 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 66 Invalid, 0 Unknown, 83 Unchecked, 0.2s Time] [2021-11-23 03:54:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-23 03:54:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2021-11-23 03:54:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:54:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-11-23 03:54:57,649 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 37 [2021-11-23 03:54:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:57,650 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-11-23 03:54:57,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 03:54:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-11-23 03:54:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 03:54:57,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:57,653 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:57,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:54:57,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:54:57,881 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2113362132, now seen corresponding path program 1 times [2021-11-23 03:54:57,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:57,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941035269] [2021-11-23 03:54:57,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:57,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 03:54:58,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:58,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941035269] [2021-11-23 03:54:58,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941035269] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:54:58,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326490110] [2021-11-23 03:54:58,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:58,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:54:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:58,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:54:58,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3b43af-2383-4908-b124-5d3b3a9d7c14/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:54:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:58,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 03:54:58,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:54:58,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 19 [2021-11-23 03:54:58,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 19 [2021-11-23 03:54:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2021-11-23 03:54:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:54:58,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2021-11-23 03:54:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:54:58,729 INFO L354 Elim1Store]: treesize reduction 136, result has 22.7 percent of original size [2021-11-23 03:54:58,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 181 treesize of output 135 [2021-11-23 03:54:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:54:58,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:54:58,805 INFO L354 Elim1Store]: treesize reduction 206, result has 22.0 percent of original size [2021-11-23 03:54:58,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 174 treesize of output 157 [2021-11-23 03:55:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,909 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-11-23 03:55:02,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 14 new quantified variables, introduced 92 case distinctions, treesize of input 325 treesize of output 205 [2021-11-23 03:55:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:02,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:02,948 INFO L354 Elim1Store]: treesize reduction 328, result has 0.3 percent of original size [2021-11-23 03:55:02,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 14 new quantified variables, introduced 92 case distinctions, treesize of input 161 treesize of output 89 [2021-11-23 03:55:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:55:02,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:55:09,898 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (= |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 0)) (not (= |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base| 0))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 16)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse1 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 8)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (let ((.cse3 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse4 (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 24))) (or (not (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) .cse4) 0)) (not (= 0 (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse3 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) .cse4)))))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 8)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse7 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 16)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (let ((.cse9 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24))) (or (not (= (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset|) 0)) (not (= (select (select (let ((.cse10 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse9 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset|) 0)))))) is different from false [2021-11-23 03:55:12,151 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) (and (or (not (= |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 0)) (not (= |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base| 0))) (forall ((v_subst_1 Int)) (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| 0)))) (store .cse1 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse1 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_1 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) v_subst_1))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 16)) 0)) (forall ((v_subst_5 Int)) (= (select (select (let ((.cse2 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse3 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse3 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 8)) 0)) (forall ((v_subst_6 Int)) (= (select (select (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse5 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse5 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 16)) 0)) (forall ((v_subst_4 Int)) (let ((.cse7 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24))) (or (not (= (select (select (let ((.cse6 (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse8 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse8 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse7 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset|) 0)) (not (= (select (select (let ((.cse9 (let ((.cse10 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| 0)))) (store .cse10 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse10 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_4 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse7 v_subst_4))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset|) 0))))) (forall ((v_subst_3 Int)) (let ((.cse12 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse14 (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 24))) (or (not (= (select (select (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| 0)))) (store .cse13 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse13 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_3 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse12 v_subst_3))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) .cse14) 0)) (not (= (select (select (let ((.cse15 (let ((.cse16 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse16 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse16 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse15 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse15 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse12 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) .cse14) 0))))) (forall ((v_subst_2 Int)) (= 0 (select (select (let ((.cse17 (let ((.cse18 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| 0)))) (store .cse18 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse18 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_2 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse17 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse17 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) v_subst_2))) |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.base|) (+ |c_ULTIMATE.start_aws_linked_list_rend_harness_~#list~0#1.offset| 8))))) (= |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| 0))) is different from false [2021-11-23 03:55:12,292 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 03:55:12,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 255301 treesize of output 254433 [2021-11-23 03:55:31,311 WARN L227 SmtUtils]: Spent 19.02s on a formula simplification. DAG size of input: 794 DAG size of output: 794 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:55:31,436 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 03:55:31,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1214997 treesize of output 1211825 [2021-11-23 03:56:38,409 WARN L227 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 1823 DAG size of output: 1818 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:56:38,442 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-23 03:56:38,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1850902013] [2021-11-23 03:56:38,469 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-23 03:56:38,470 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:56:38,478 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:56:38,484 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:56:38,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:56:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:38,640 INFO L354 Elim1Store]: treesize reduction 40, result has 48.1 percent of original size [2021-11-23 03:56:38,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 62 [2021-11-23 03:56:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:38,724 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-23 03:56:38,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-23 03:56:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2021-11-23 03:56:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 77 [2021-11-23 03:56:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 9 [2021-11-23 03:56:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 77 [2021-11-23 03:56:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:39,367 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-23 03:56:39,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 103 [2021-11-23 03:56:39,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,478 INFO L354 Elim1Store]: treesize reduction 50, result has 47.9 percent of original size [2021-11-23 03:56:39,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 74 [2021-11-23 03:56:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,615 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-23 03:56:39,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 85 [2021-11-23 03:56:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-23 03:56:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-11-23 03:56:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:39,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 99 [2021-11-23 03:56:39,734 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 03:56:39,736 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-23 03:56:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:39,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:40,224 INFO L354 Elim1Store]: treesize reduction 268, result has 24.9 percent of original size [2021-11-23 03:56:40,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 457 treesize of output 485 [2021-11-23 03:56:40,741 INFO L354 Elim1Store]: treesize reduction 108, result has 48.8 percent of original size [2021-11-23 03:56:40,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 524 treesize of output 614 [2021-11-23 03:56:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:40,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:40,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:41,074 INFO L354 Elim1Store]: treesize reduction 370, result has 20.4 percent of original size [2021-11-23 03:56:41,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 608 treesize of output 630 [2021-11-23 03:56:41,474 INFO L354 Elim1Store]: treesize reduction 60, result has 61.3 percent of original size [2021-11-23 03:56:41,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 675 treesize of output 756 [2021-11-23 03:56:41,570 INFO L354 Elim1Store]: treesize reduction 118, result has 17.5 percent of original size [2021-11-23 03:56:41,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 756 treesize of output 727 [2021-11-23 03:56:41,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:41,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 724 treesize of output 711 [2021-11-23 03:56:41,745 INFO L354 Elim1Store]: treesize reduction 71, result has 21.1 percent of original size [2021-11-23 03:56:41,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 712 treesize of output 660 [2021-11-23 04:04:39,485 WARN L227 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 2241 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)