./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_back_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_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/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_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/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_8e665a51-782e-4c59-a5fc-bbdb38048352/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 f57bc64edf303a057c8eafb48480d4e5b764bd411481261d53eb2a101eb82ae8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:47:22,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:47:22,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:47:22,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:47:22,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:47:22,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:47:22,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:47:22,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:47:22,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:47:22,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:47:22,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:47:22,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:47:22,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:47:22,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:47:22,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:47:22,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:47:22,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:47:22,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:47:22,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:47:23,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:47:23,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:47:23,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:47:23,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:47:23,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:47:23,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:47:23,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:47:23,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:47:23,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:47:23,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:47:23,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:47:23,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:47:23,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:47:23,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:47:23,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:47:23,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:47:23,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:47:23,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:47:23,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:47:23,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:47:23,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:47:23,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:47:23,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:47:23,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:47:23,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:47:23,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:47:23,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:47:23,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:47:23,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:47:23,103 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:47:23,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:47:23,104 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:47:23,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:47:23,105 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:47:23,105 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:47:23,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:47:23,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:47:23,106 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:47:23,106 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:47:23,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:47:23,107 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:47:23,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:47:23,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:47:23,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:47:23,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:47:23,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:47:23,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:47:23,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:47:23,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:47:23,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:47:23,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:47:23,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:47:23,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:23,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:47:23,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:47:23,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:47:23,112 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:47:23,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:47:23,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:47:23,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:47:23,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:47:23,113 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_8e665a51-782e-4c59-a5fc-bbdb38048352/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f57bc64edf303a057c8eafb48480d4e5b764bd411481261d53eb2a101eb82ae8 [2021-11-23 02:47:23,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:47:23,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:47:23,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:47:23,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:47:23,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:47:23,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i [2021-11-23 02:47:23,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/data/88ecffea1/e7625d5ddfa0417984d77b550592083c/FLAG9828d727f [2021-11-23 02:47:24,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:47:24,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i [2021-11-23 02:47:24,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/data/88ecffea1/e7625d5ddfa0417984d77b550592083c/FLAG9828d727f [2021-11-23 02:47:24,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/data/88ecffea1/e7625d5ddfa0417984d77b550592083c [2021-11-23 02:47:24,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:47:24,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:47:24,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:24,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:47:25,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:47:25,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:24" (1/1) ... [2021-11-23 02:47:25,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ac9f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:25, skipping insertion in model container [2021-11-23 02:47:25,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:24" (1/1) ... [2021-11-23 02:47:25,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:47:25,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:47:25,437 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_8e665a51-782e-4c59-a5fc-bbdb38048352/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i[4494,4507] [2021-11-23 02:47:25,444 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_8e665a51-782e-4c59-a5fc-bbdb38048352/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i[4554,4567] [2021-11-23 02:47:26,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,338 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,369 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,376 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,380 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,386 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:26,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:47:26,784 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:47:26,786 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:47:26,787 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:47:26,788 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:47:26,789 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:47:26,790 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:47:26,791 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:47:26,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:47:26,793 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:47:26,938 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:47:26,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:26,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:47:26,996 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_8e665a51-782e-4c59-a5fc-bbdb38048352/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i[4494,4507] [2021-11-23 02:47:26,996 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_8e665a51-782e-4c59-a5fc-bbdb38048352/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i[4554,4567] [2021-11-23 02:47:27,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,049 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,059 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,059 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,061 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,065 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:47:27,112 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:47:27,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:47:27,115 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:47:27,116 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:47:27,117 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:47:27,118 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:47:27,118 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:47:27,119 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:47:27,120 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:47:27,120 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:47:27,161 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:47:27,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:27,549 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:47:27,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27 WrapperNode [2021-11-23 02:47:27,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:27,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:27,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:47:27,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:47:27,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,739 INFO L137 Inliner]: procedures = 679, calls = 1045, calls flagged for inlining = 50, calls inlined = 5, statements flattened = 134 [2021-11-23 02:47:27,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:27,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:47:27,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:47:27,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:47:27,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:47:27,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:47:27,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:47:27,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:47:27,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (1/1) ... [2021-11-23 02:47:27,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:27,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:27,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:47:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:47:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_back [2021-11-23 02:47:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_back [2021-11-23 02:47:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:47:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:47:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:47:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 02:47:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 02:47:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:47:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 02:47:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 02:47:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:47:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:47:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:47:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:47:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2021-11-23 02:47:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2021-11-23 02:47:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:47:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:47:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:47:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:47:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:47:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 02:47:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 02:47:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 02:47:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 02:47:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:47:28,154 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:47:28,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:47:28,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:47:28,609 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:47:28,609 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:47:28,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:28 BoogieIcfgContainer [2021-11-23 02:47:28,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:47:28,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:47:28,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:47:28,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:47:28,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:24" (1/3) ... [2021-11-23 02:47:28,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fb1449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:28, skipping insertion in model container [2021-11-23 02:47:28,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:27" (2/3) ... [2021-11-23 02:47:28,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fb1449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:28, skipping insertion in model container [2021-11-23 02:47:28,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:28" (3/3) ... [2021-11-23 02:47:28,622 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_back_harness.i [2021-11-23 02:47:28,628 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:47:28,628 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:47:28,682 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:47:28,690 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 02:47:28,690 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:47:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 36 states have internal predecessors, (43), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 02:47:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 02:47:28,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:28,721 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:28,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:28,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash -208090152, now seen corresponding path program 1 times [2021-11-23 02:47:28,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:28,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610565535] [2021-11-23 02:47:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:28,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 02:47:29,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:29,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610565535] [2021-11-23 02:47:29,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610565535] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:47:29,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684045018] [2021-11-23 02:47:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:29,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:29,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:29,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:29,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:47:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:29,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 02:47:29,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:29,885 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 02:47:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:29,904 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 02:47:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 02:47:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:30,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 02:47:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 02:47:32,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:47:32,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684045018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:32,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:47:32,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2021-11-23 02:47:32,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322741359] [2021-11-23 02:47:32,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:32,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:47:32,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:32,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:47:32,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:47:32,959 INFO L87 Difference]: Start difference. First operand has 69 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 36 states have internal predecessors, (43), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2021-11-23 02:47:33,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:33,280 INFO L93 Difference]: Finished difference Result 153 states and 216 transitions. [2021-11-23 02:47:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 02:47:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 52 [2021-11-23 02:47:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:33,295 INFO L225 Difference]: With dead ends: 153 [2021-11-23 02:47:33,295 INFO L226 Difference]: Without dead ends: 93 [2021-11-23 02:47:33,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:47:33,303 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 12 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:33,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 274 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 41 Unchecked, 0.1s Time] [2021-11-23 02:47:33,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-23 02:47:33,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 82. [2021-11-23 02:47:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 43 states have internal predecessors, (50), 29 states have call successors, (29), 12 states have call predecessors, (29), 10 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-23 02:47:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2021-11-23 02:47:33,363 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 52 [2021-11-23 02:47:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:33,364 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2021-11-23 02:47:33,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2021-11-23 02:47:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2021-11-23 02:47:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 02:47:33,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:33,369 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:33,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:47:33,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:47:33,594 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:33,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:33,595 INFO L85 PathProgramCache]: Analyzing trace with hash 575190234, now seen corresponding path program 1 times [2021-11-23 02:47:33,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:33,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339870093] [2021-11-23 02:47:33,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:33,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 02:47:33,755 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:33,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339870093] [2021-11-23 02:47:33,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339870093] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:47:33,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479313516] [2021-11-23 02:47:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:33,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:33,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:33,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e665a51-782e-4c59-a5fc-bbdb38048352/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:47:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:33,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 02:47:33,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:33,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 02:47:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,098 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 02:47:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,120 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 02:47:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,278 INFO L354 Elim1Store]: treesize reduction 78, result has 36.1 percent of original size [2021-11-23 02:47:34,279 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 3 case distinctions, treesize of input 95 treesize of output 106 [2021-11-23 02:47:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,324 INFO L354 Elim1Store]: treesize reduction 86, result has 29.5 percent of original size [2021-11-23 02:47:34,325 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 3 case distinctions, treesize of input 100 treesize of output 103 [2021-11-23 02:47:34,406 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 02:47:34,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 02:47:34,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,610 INFO L354 Elim1Store]: treesize reduction 264, result has 14.8 percent of original size [2021-11-23 02:47:34,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 185 treesize of output 139 [2021-11-23 02:47:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,726 INFO L354 Elim1Store]: treesize reduction 310, result has 15.8 percent of original size [2021-11-23 02:47:34,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 178 treesize of output 160 [2021-11-23 02:47:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 02:47:42,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:47:51,841 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (let ((.cse1 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse2 (+ |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 24))) (or (not (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) .cse2) 0)) (not (= (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) .cse2) 0))))) (or (not (= |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base| 0)) (not (= |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (let ((.cse5 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24))) (or (not (= (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|) 0)) (not (= (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse5 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 8 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse9 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16))))) (store .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse10 (store |c_#memory_$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|) (+ |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_back_harness_~#list~0#1.base|) (+ 8 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))) is different from false [2021-11-23 02:47:54,249 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| Int)) (or (and (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_3 Int)) (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse1 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse1 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 8 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_2 Int)) (= 0 (select (select (let ((.cse2 (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7|)))) (store .cse3 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse3 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_2 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) v_subst_2))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)))) (or (not (= |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base| 0)) (not (= |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0))) (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_1 Int)) (= (select (select (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7|)))) (store .cse5 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse5 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_1 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) v_subst_1))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 8 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_6 Int)) (= (select (select (let ((.cse6 (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse7 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse7 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0)) (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_4 Int)) (let ((.cse9 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse11 (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8))) (or (not (= (select (select (let ((.cse8 (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse10 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse10 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_4 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse9 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|) 0)) (not (= (select (select (let ((.cse12 (let ((.cse13 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7|)))) (store .cse13 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse13 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_4 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse9 v_subst_4))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|) 0))))) (forall ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| Int) (v_subst_5 Int)) (let ((.cse15 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse17 (+ |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7| 8)) (.cse18 (+ |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 24))) (or (not (= 0 (select (select (let ((.cse14 (let ((.cse16 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|)))) (store .cse16 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse16 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) .cse17 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) v_subst_5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|))))) (store .cse14 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse14 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse15 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) .cse18))) (not (= (select (select (let ((.cse19 (let ((.cse20 (store |c_#memory_$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| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~node~0#1.offset_7|)))) (store .cse20 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| (store (store (select .cse20 |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) .cse17 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) v_subst_5 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)))))) (store .cse19 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse19 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse15 v_subst_5))) |c_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) .cse18) 0)))))) (not (= (select |c_#valid| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17|) 0)) (= |v_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base_17| 0))) is different from true [2021-11-23 02:47:54,753 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 02:47:54,756 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 609094 treesize of output 607014 [2021-11-23 02:48:32,696 WARN L227 SmtUtils]: Spent 37.94s on a formula simplification. DAG size of input: 1960 DAG size of output: 1960 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 02:48:32,913 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 02:48:32,918 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 1093658 treesize of output 1091722 [2021-11-23 02:49:11,227 WARN L227 SmtUtils]: Spent 38.30s on a formula simplification. DAG size of input: 2873 DAG size of output: 2865 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 02:49:11,324 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-23 02:49:11,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1724681549] [2021-11-23 02:49:11,348 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2021-11-23 02:49:11,349 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:49:11,353 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:49:11,359 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:49:11,359 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:49:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,482 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-23 02:49:11,483 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 02:49:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-23 02:49:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,916 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 02:49:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,945 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 02:49:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,971 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 02:49:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,005 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 02:49:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,144 INFO L354 Elim1Store]: treesize reduction 50, result has 47.9 percent of original size [2021-11-23 02:49:12,144 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 02:49:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,221 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-23 02:49:12,222 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 02:49:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-23 02:49:12,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,281 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 50 treesize of output 28 [2021-11-23 02:49:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,354 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-23 02:49:12,354 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 02:49:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,487 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-23 02:49:12,488 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 02:49:12,504 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:49:12,507 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-23 02:49:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:12,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:12,981 INFO L354 Elim1Store]: treesize reduction 268, result has 24.9 percent of original size [2021-11-23 02:49:12,982 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 457 treesize of output 485 [2021-11-23 02:49:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:13,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:49:13,270 INFO L354 Elim1Store]: treesize reduction 364, result has 21.7 percent of original size [2021-11-23 02:49:13,271 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 542 treesize of output 558 [2021-11-23 02:49:13,686 INFO L354 Elim1Store]: treesize reduction 108, result has 48.8 percent of original size [2021-11-23 02:49:13,687 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 591 treesize of output 681 [2021-11-23 02:49:14,070 INFO L354 Elim1Store]: treesize reduction 60, result has 61.3 percent of original size [2021-11-23 02:49:14,071 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 02:49:14,143 INFO L354 Elim1Store]: treesize reduction 118, result has 17.5 percent of original size [2021-11-23 02:49:14,144 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 02:49:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:49:14,183 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 02:49:14,297 INFO L354 Elim1Store]: treesize reduction 71, result has 21.1 percent of original size [2021-11-23 02:49:14,298 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 02:49:47,063 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6139 conjuctions. This might take some time... [2021-11-23 02:49:49,538 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6139 conjuctions. [2021-11-23 02:49:50,007 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 12346 conjuctions. This might take some time... [2021-11-23 02:50:04,560 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 12346 conjuctions. [2021-11-23 02:50:07,018 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6706 conjuctions. This might take some time... [2021-11-23 02:50:10,395 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6706 conjuctions. [2021-11-23 02:50:10,465 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 26824 conjuctions. This might take some time... [2021-11-23 02:51:20,589 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 26824 conjuctions. [2021-11-23 02:51:20,960 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 38880 conjuctions. This might take some time...