./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF --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 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:27:44,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:27:44,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:27:44,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:27:44,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:27:44,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:27:44,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:27:44,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:27:44,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:27:44,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:27:44,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:27:44,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:27:44,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:27:44,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:27:44,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:27:44,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:27:44,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:27:44,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:27:44,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:27:44,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:27:44,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:27:44,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:27:44,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:27:44,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:27:44,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:27:44,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:27:44,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:27:44,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:27:44,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:27:44,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:27:44,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:27:44,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:27:44,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:27:44,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:27:44,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:27:44,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:27:44,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:27:44,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:27:44,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:27:44,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:27:44,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:27:44,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:27:44,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:27:44,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:27:44,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:27:44,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:27:44,977 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:27:44,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:27:44,977 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:27:44,978 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:27:44,985 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:27:44,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:27:44,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:27:44,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:27:44,987 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:27:44,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:27:44,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:27:44,988 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:27:44,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:27:44,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:27:44,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:27:44,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:27:44,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:27:44,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:27:44,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:27:44,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:27:44,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:27:44,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:27:44,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:27:44,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:27:44,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:27:44,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:27:44,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:27:44,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:27:44,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:27:44,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:27:44,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:27:44,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:27:44,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:27:44,996 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 [2021-11-13 02:27:45,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:27:45,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:27:45,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:27:45,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:27:45,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:27:45,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2021-11-13 02:27:45,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/ada9947eb/4e1b67c77d1b466980b2d6160d31371f/FLAG04500cb07 [2021-11-13 02:27:46,410 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:27:46,410 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2021-11-13 02:27:46,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/ada9947eb/4e1b67c77d1b466980b2d6160d31371f/FLAG04500cb07 [2021-11-13 02:27:46,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/ada9947eb/4e1b67c77d1b466980b2d6160d31371f [2021-11-13 02:27:46,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:27:46,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:27:46,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:46,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:27:46,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:27:46,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:46" (1/1) ... [2021-11-13 02:27:46,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb39350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:46, skipping insertion in model container [2021-11-13 02:27:46,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:46" (1/1) ... [2021-11-13 02:27:46,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:27:47,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:27:47,428 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2021-11-13 02:27:47,436 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2021-11-13 02:27:47,461 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:27:47,467 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:27:48,582 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,584 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,586 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:48,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:49,160 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:27:49,162 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:27:49,163 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:27:49,165 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:27:49,167 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:27:49,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:27:49,169 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:27:49,169 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:27:49,170 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:27:49,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:27:49,393 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:27:49,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:49,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:49,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:27:49,772 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:27:49,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a6a3374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:49, skipping insertion in model container [2021-11-13 02:27:49,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:49,775 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:27:49,779 INFO L158 Benchmark]: Toolchain (without parser) took 2971.82ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 66.8MB in the beginning and 111.0MB in the end (delta: -44.2MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-13 02:27:49,780 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:27:49,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2963.59ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 66.6MB in the beginning and 111.0MB in the end (delta: -44.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-13 02:27:49,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2963.59ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 66.6MB in the beginning and 111.0MB in the end (delta: -44.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF --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 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:27:52,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:27:52,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:27:52,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:27:52,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:27:52,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:27:52,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:27:52,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:27:52,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:27:52,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:27:52,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:27:52,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:27:52,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:27:52,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:27:52,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:27:52,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:27:52,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:27:52,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:27:52,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:27:52,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:27:52,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:27:52,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:27:52,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:27:52,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:27:52,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:27:52,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:27:52,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:27:52,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:27:52,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:27:52,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:27:52,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:27:52,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:27:52,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:27:52,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:27:52,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:27:52,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:27:52,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:27:52,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:27:52,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:27:52,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:27:52,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:27:52,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:27:52,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:27:52,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:27:52,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:27:52,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:27:52,783 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:27:52,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:27:52,784 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:27:52,784 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:27:52,785 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:27:52,785 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:27:52,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:27:52,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:27:52,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:27:52,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:27:52,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:27:52,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:27:52,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:27:52,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:27:52,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:27:52,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:27:52,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:27:52,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:27:52,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:27:52,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:27:52,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:27:52,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:27:52,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:27:52,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:27:52,793 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:27:52,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:27:52,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:27:52,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:27:52,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:27:52,794 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 [2021-11-13 02:27:53,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:27:53,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:27:53,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:27:53,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:27:53,334 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:27:53,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2021-11-13 02:27:53,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/6d19c74a2/9dfd9db229b6494dac277e5e83dc54c0/FLAG37920070f [2021-11-13 02:27:54,631 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:27:54,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2021-11-13 02:27:54,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/6d19c74a2/9dfd9db229b6494dac277e5e83dc54c0/FLAG37920070f [2021-11-13 02:27:54,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/data/6d19c74a2/9dfd9db229b6494dac277e5e83dc54c0 [2021-11-13 02:27:54,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:27:54,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:27:54,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:54,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:27:54,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:27:54,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:54" (1/1) ... [2021-11-13 02:27:54,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444e6bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:54, skipping insertion in model container [2021-11-13 02:27:54,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:54" (1/1) ... [2021-11-13 02:27:54,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:27:55,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:27:55,553 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2021-11-13 02:27:55,564 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2021-11-13 02:27:55,605 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:27:55,615 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:27:57,386 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,388 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,389 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,392 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,428 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,432 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,436 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:57,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,044 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:27:58,046 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:27:58,048 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:27:58,049 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:27:58,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:27:58,052 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:27:58,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:27:58,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:27:58,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:27:58,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:27:58,249 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:27:58,402 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,402 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:27:58,566 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:27:58,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:27:58,648 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2021-11-13 02:27:58,648 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2021-11-13 02:27:58,650 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:27:58,651 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:27:58,690 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,691 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,691 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,692 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,693 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,701 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,702 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,703 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,704 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,776 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:27:58,777 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:27:58,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:27:58,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:27:58,780 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:27:58,781 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:27:58,782 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:27:58,782 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:27:58,783 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:27:58,783 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:27:58,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:27:58,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,874 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:58,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:27:59,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:27:59,046 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2021-11-13 02:27:59,047 WARN L228 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_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2021-11-13 02:27:59,049 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:27:59,059 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:27:59,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,124 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,124 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,136 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,136 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:27:59,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:27:59,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:27:59,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:27:59,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:27:59,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:27:59,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:27:59,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:27:59,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:27:59,200 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:27:59,254 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:27:59,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:27:59,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:27:59,830 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:27:59,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59 WrapperNode [2021-11-13 02:27:59,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:59,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:27:59,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:27:59,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:27:59,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:28:00,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:28:00,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:28:00,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:28:00,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:28:00,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:28:00,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:28:00,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:28:00,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (1/1) ... [2021-11-13 02:28:00,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:00,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:28:00,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:28:00,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:28:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-13 02:28:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-13 02:28:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:28:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:28:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:28:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:28:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 02:28:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 02:28:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:28:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:28:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:28:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:28:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-13 02:28:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-13 02:28:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:28:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:28:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 02:28:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 02:28:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:28:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:28:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:28:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:28:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-13 02:28:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-13 02:28:18,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:28:18,961 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:28:18,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:18 BoogieIcfgContainer [2021-11-13 02:28:18,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:28:18,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:28:18,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:28:18,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:28:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:27:54" (1/3) ... [2021-11-13 02:28:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeb9c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:18, skipping insertion in model container [2021-11-13 02:28:18,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:59" (2/3) ... [2021-11-13 02:28:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeb9c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:18, skipping insertion in model container [2021-11-13 02:28:18,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:18" (3/3) ... [2021-11-13 02:28:18,973 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_empty_array_harness.i [2021-11-13 02:28:18,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:28:18,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:28:19,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:28:19,047 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 [2021-11-13 02:28:19,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:28:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 50 states have (on average 1.26) internal successors, (63), 51 states have internal predecessors, (63), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-13 02:28:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 02:28:19,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:19,077 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 02:28:19,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1597769755, now seen corresponding path program 1 times [2021-11-13 02:28:19,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:19,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090379782] [2021-11-13 02:28:19,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:19,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:19,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:19,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:28:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:24,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 02:28:24,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:28:24,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:28:24,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:24,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090379782] [2021-11-13 02:28:24,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090379782] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:24,771 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:24,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 02:28:24,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003177240] [2021-11-13 02:28:24,782 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:24,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:28:24,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:24,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:28:24,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:28:24,836 INFO L87 Difference]: Start difference. First operand has 71 states, 50 states have (on average 1.26) internal successors, (63), 51 states have internal predecessors, (63), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 02:28:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:24,893 INFO L93 Difference]: Finished difference Result 137 states and 186 transitions. [2021-11-13 02:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:28:24,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2021-11-13 02:28:24,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:24,908 INFO L225 Difference]: With dead ends: 137 [2021-11-13 02:28:24,909 INFO L226 Difference]: Without dead ends: 64 [2021-11-13 02:28:24,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:28:24,920 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:24,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 3.63ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 02:28:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-13 02:28:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-13 02:28:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 45 states have internal predecessors, (53), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 02:28:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2021-11-13 02:28:25,007 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 31 [2021-11-13 02:28:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:25,008 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2021-11-13 02:28:25,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 02:28:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2021-11-13 02:28:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 02:28:25,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:25,012 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 02:28:25,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:25,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:25,230 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:25,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:25,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1816677797, now seen corresponding path program 1 times [2021-11-13 02:28:25,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:25,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163618083] [2021-11-13 02:28:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:25,245 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:25,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:25,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:25,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:28:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:30,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:28:30,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:30,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:30,917 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:30,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163618083] [2021-11-13 02:28:30,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163618083] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:30,918 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:30,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 02:28:30,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487122990] [2021-11-13 02:28:30,918 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:30,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:28:30,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:30,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:28:30,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:28:30,921 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 02:28:32,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:28:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:33,113 INFO L93 Difference]: Finished difference Result 117 states and 146 transitions. [2021-11-13 02:28:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:28:33,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2021-11-13 02:28:33,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:33,119 INFO L225 Difference]: With dead ends: 117 [2021-11-13 02:28:33,120 INFO L226 Difference]: Without dead ends: 67 [2021-11-13 02:28:33,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:28:33,122 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 22 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2130.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2168.35ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:33,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 214 Invalid, 18 Unknown, 0 Unchecked, 3.68ms Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2168.35ms Time] [2021-11-13 02:28:33,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-13 02:28:33,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-13 02:28:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 48 states have internal predecessors, (55), 14 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-13 02:28:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2021-11-13 02:28:33,143 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 31 [2021-11-13 02:28:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:33,144 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2021-11-13 02:28:33,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 02:28:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2021-11-13 02:28:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 02:28:33,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:33,148 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 02:28:33,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:33,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:33,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:33,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1185357712, now seen corresponding path program 1 times [2021-11-13 02:28:33,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:33,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668287400] [2021-11-13 02:28:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:33,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:33,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:33,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:28:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:38,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 02:28:38,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:38,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:39,160 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:39,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668287400] [2021-11-13 02:28:39,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668287400] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:39,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:39,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-11-13 02:28:39,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937323615] [2021-11-13 02:28:39,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:39,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 02:28:39,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:39,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 02:28:39,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-11-13 02:28:39,164 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand has 12 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-13 02:28:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:39,530 INFO L93 Difference]: Finished difference Result 79 states and 96 transitions. [2021-11-13 02:28:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:28:39,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 37 [2021-11-13 02:28:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:39,533 INFO L225 Difference]: With dead ends: 79 [2021-11-13 02:28:39,533 INFO L226 Difference]: Without dead ends: 77 [2021-11-13 02:28:39,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:28:39,535 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 26 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 219.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.55ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 255.25ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:39,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 747 Invalid, 69 Unknown, 0 Unchecked, 8.55ms Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 255.25ms Time] [2021-11-13 02:28:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-13 02:28:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2021-11-13 02:28:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 55 states have internal predecessors, (61), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2021-11-13 02:28:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2021-11-13 02:28:39,551 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 37 [2021-11-13 02:28:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:39,552 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2021-11-13 02:28:39,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-13 02:28:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-13 02:28:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:28:39,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:39,555 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:39,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 02:28:39,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:39,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1529203256, now seen corresponding path program 1 times [2021-11-13 02:28:39,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:39,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043606828] [2021-11-13 02:28:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:39,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:39,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:39,772 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:39,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:28:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:44,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1747 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:28:44,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:45,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:28:46,132 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:46,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043606828] [2021-11-13 02:28:46,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043606828] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:46,133 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:46,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 02:28:46,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480674013] [2021-11-13 02:28:46,133 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:46,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:28:46,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:28:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:28:46,135 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:28:48,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:28:50,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:28:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:51,690 INFO L93 Difference]: Finished difference Result 158 states and 198 transitions. [2021-11-13 02:28:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:28:51,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2021-11-13 02:28:51,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:51,694 INFO L225 Difference]: With dead ends: 158 [2021-11-13 02:28:51,695 INFO L226 Difference]: Without dead ends: 101 [2021-11-13 02:28:51,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:28:51,697 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 91 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5002.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 5157.86ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:51,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 250 Invalid, 72 Unknown, 0 Unchecked, 3.54ms Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 2 Unknown, 4 Unchecked, 5157.86ms Time] [2021-11-13 02:28:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-13 02:28:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 81. [2021-11-13 02:28:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 60 states have internal predecessors, (68), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2021-11-13 02:28:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2021-11-13 02:28:51,717 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 41 [2021-11-13 02:28:51,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:51,718 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2021-11-13 02:28:51,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:28:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2021-11-13 02:28:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:28:51,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:51,721 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:51,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:51,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:51,932 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:51,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:51,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1787368694, now seen corresponding path program 1 times [2021-11-13 02:28:51,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:51,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690321946] [2021-11-13 02:28:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:51,939 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:51,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:51,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:51,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:29:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:16,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 02:29:16,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:17,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:29:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:17,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 136 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 165 [2021-11-13 02:29:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:29:33,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:35,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:29:40,580 INFO L354 Elim1Store]: treesize reduction 8880, result has 1.8 percent of original size [2021-11-13 02:29:40,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 16 case distinctions, treesize of input 181 treesize of output 233 [2021-11-13 02:29:40,617 INFO L354 Elim1Store]: treesize reduction 1410, result has 0.1 percent of original size [2021-11-13 02:29:40,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 233 treesize of output 91 [2021-11-13 02:29:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:29:41,121 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:41,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690321946] [2021-11-13 02:29:41,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690321946] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:29:41,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:29:41,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2021-11-13 02:29:41,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396994668] [2021-11-13 02:29:41,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:41,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:29:41,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:41,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:29:41,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-11-13 02:29:41,126 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 02:29:43,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:29:45,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:29:47,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:29:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:49,300 INFO L93 Difference]: Finished difference Result 166 states and 209 transitions. [2021-11-13 02:29:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:29:49,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2021-11-13 02:29:49,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:49,306 INFO L225 Difference]: With dead ends: 166 [2021-11-13 02:29:49,306 INFO L226 Difference]: Without dead ends: 99 [2021-11-13 02:29:49,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2021-11-13 02:29:49,309 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 64 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7441.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.92ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7702.39ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:49,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 365 Invalid, 102 Unknown, 0 Unchecked, 4.92ms Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 7702.39ms Time] [2021-11-13 02:29:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-13 02:29:49,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2021-11-13 02:29:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 75 states have internal predecessors, (82), 16 states have call successors, (16), 6 states have call predecessors, (16), 10 states have return successors, (23), 14 states have call predecessors, (23), 15 states have call successors, (23) [2021-11-13 02:29:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2021-11-13 02:29:49,331 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 121 transitions. Word has length 41 [2021-11-13 02:29:49,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:49,331 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 121 transitions. [2021-11-13 02:29:49,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 02:29:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2021-11-13 02:29:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:29:49,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:49,335 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:29:49,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:49,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:49,540 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:49,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:49,541 INFO L85 PathProgramCache]: Analyzing trace with hash -59144646, now seen corresponding path program 1 times [2021-11-13 02:29:49,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:49,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14472820] [2021-11-13 02:29:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:49,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:49,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:49,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:29:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:54,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:29:54,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:29:54,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:29:54,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:54,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14472820] [2021-11-13 02:29:54,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14472820] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:29:54,378 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:29:54,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 02:29:54,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480908923] [2021-11-13 02:29:54,378 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:54,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:29:54,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:54,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:29:54,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:29:54,380 INFO L87 Difference]: Start difference. First operand 96 states and 121 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:29:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:54,493 INFO L93 Difference]: Finished difference Result 188 states and 238 transitions. [2021-11-13 02:29:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:29:54,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2021-11-13 02:29:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:54,497 INFO L225 Difference]: With dead ends: 188 [2021-11-13 02:29:54,497 INFO L226 Difference]: Without dead ends: 108 [2021-11-13 02:29:54,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:29:54,501 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 28 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.16ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:54,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 263 Invalid, 18 Unknown, 0 Unchecked, 2.39ms Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 83.16ms Time] [2021-11-13 02:29:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-13 02:29:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 96. [2021-11-13 02:29:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 16 states have call successors, (16), 6 states have call predecessors, (16), 10 states have return successors, (23), 14 states have call predecessors, (23), 15 states have call successors, (23) [2021-11-13 02:29:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 120 transitions. [2021-11-13 02:29:54,521 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 120 transitions. Word has length 41 [2021-11-13 02:29:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:54,521 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 120 transitions. [2021-11-13 02:29:54,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:29:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 120 transitions. [2021-11-13 02:29:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:29:54,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:54,524 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:29:54,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:54,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:54,736 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:54,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1339008324, now seen corresponding path program 1 times [2021-11-13 02:29:54,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:54,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992461020] [2021-11-13 02:29:54,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:54,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:54,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:54,744 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:54,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:30:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:18,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 02:30:18,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:30:18,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:30:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:19,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 136 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 159 [2021-11-13 02:30:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:30:27,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:30:31,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:31,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:30:32,916 INFO L354 Elim1Store]: treesize reduction 9046, result has 0.0 percent of original size [2021-11-13 02:30:32,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 16 case distinctions, treesize of input 178 treesize of output 1 [2021-11-13 02:30:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:30:32,960 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:30:32,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992461020] [2021-11-13 02:30:32,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992461020] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:32,960 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:32,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 14 [2021-11-13 02:30:32,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674551081] [2021-11-13 02:30:32,961 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:32,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 02:30:32,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:30:32,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 02:30:32,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:30:32,962 INFO L87 Difference]: Start difference. First operand 96 states and 120 transitions. Second operand has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 02:30:35,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:37,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:39,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:40,250 INFO L93 Difference]: Finished difference Result 209 states and 256 transitions. [2021-11-13 02:30:40,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 02:30:40,253 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 41 [2021-11-13 02:30:40,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:40,255 INFO L225 Difference]: With dead ends: 209 [2021-11-13 02:30:40,255 INFO L226 Difference]: Without dead ends: 126 [2021-11-13 02:30:40,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:30:40,257 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7059.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.90ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 7258.57ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:40,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 600 Invalid, 131 Unknown, 0 Unchecked, 4.90ms Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 3 Unknown, 70 Unchecked, 7258.57ms Time] [2021-11-13 02:30:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-13 02:30:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 117. [2021-11-13 02:30:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 89 states have (on average 1.1910112359550562) internal successors, (106), 95 states have internal predecessors, (106), 16 states have call successors, (16), 7 states have call predecessors, (16), 11 states have return successors, (24), 14 states have call predecessors, (24), 15 states have call successors, (24) [2021-11-13 02:30:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2021-11-13 02:30:40,278 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 41 [2021-11-13 02:30:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:40,279 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2021-11-13 02:30:40,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 02:30:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2021-11-13 02:30:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:30:40,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:40,282 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:40,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 02:30:40,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:30:40,508 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:30:40,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1080842886, now seen corresponding path program 1 times [2021-11-13 02:30:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:30:40,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550157104] [2021-11-13 02:30:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:40,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:30:40,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:30:40,514 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:30:40,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:30:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:45,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:30:45,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:30:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:30:45,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:30:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:30:46,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:30:46,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550157104] [2021-11-13 02:30:46,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550157104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:46,481 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:46,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 02:30:46,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543832453] [2021-11-13 02:30:46,482 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:46,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:30:46,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:30:46,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:30:46,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:30:46,483 INFO L87 Difference]: Start difference. First operand 117 states and 146 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:30:48,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:50,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:51,786 INFO L93 Difference]: Finished difference Result 193 states and 238 transitions. [2021-11-13 02:30:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:30:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2021-11-13 02:30:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:30:51,791 INFO L225 Difference]: With dead ends: 193 [2021-11-13 02:30:51,791 INFO L226 Difference]: Without dead ends: 118 [2021-11-13 02:30:51,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:30:51,792 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 41 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4632.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.07ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4775.91ms IncrementalHoareTripleChecker+Time [2021-11-13 02:30:51,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 237 Invalid, 42 Unknown, 0 Unchecked, 2.07ms Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 4775.91ms Time] [2021-11-13 02:30:51,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-13 02:30:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2021-11-13 02:30:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 88 states have internal predecessors, (97), 16 states have call successors, (16), 7 states have call predecessors, (16), 10 states have return successors, (21), 14 states have call predecessors, (21), 15 states have call successors, (21) [2021-11-13 02:30:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 134 transitions. [2021-11-13 02:30:51,808 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 134 transitions. Word has length 41 [2021-11-13 02:30:51,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:30:51,809 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 134 transitions. [2021-11-13 02:30:51,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 02:30:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2021-11-13 02:30:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 02:30:51,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:51,812 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:30:51,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:30:52,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:30:52,032 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:30:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:52,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2006223412, now seen corresponding path program 1 times [2021-11-13 02:30:52,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:30:52,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537200896] [2021-11-13 02:30:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:52,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:30:52,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:30:52,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:30:52,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3f7bce-1946-49a2-8dc1-759df6b01ba1/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 02:38:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:40,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 02:38:40,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:40,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:38:40,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 494 [2021-11-13 02:38:40,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:38:40,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1103 [2021-11-13 02:38:40,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1103 treesize of output 1072 [2021-11-13 02:38:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:40,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,611 INFO L244 Elim1Store]: Index analysis took 512 ms [2021-11-13 02:38:41,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 161 [2021-11-13 02:38:41,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:38:41,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 494 [2021-11-13 02:38:41,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:38:41,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1103 [2021-11-13 02:38:41,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1103 treesize of output 1072 [2021-11-13 02:38:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:38:42,707 INFO L244 Elim1Store]: Index analysis took 576 ms [2021-11-13 02:38:42,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 161 [2021-11-13 02:38:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:38:44,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:00,667 WARN L227 SmtUtils]: Spent 14.46s on a formula simplification. DAG size of input: 207 DAG size of output: 10 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 02:39:00,668 INFO L354 Elim1Store]: treesize reduction 1526, result has 0.7 percent of original size [2021-11-13 02:39:00,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 420 treesize of output 332 [2021-11-13 02:39:02,335 INFO L354 Elim1Store]: treesize reduction 1526, result has 0.7 percent of original size [2021-11-13 02:39:02,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 332 treesize of output 244 [2021-11-13 02:39:02,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:02,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-13 02:39:02,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 537 treesize of output 519 [2021-11-13 02:39:04,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68629283916369 treesize of output 68594924177997