./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8 --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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:09,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:09,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:09,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:09,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:09,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:09,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:09,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:09,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:09,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:09,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:09,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:09,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:09,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:09,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:09,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:09,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:09,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:09,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:09,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:09,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:09,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:09,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:09,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:09,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:09,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:09,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:09,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:09,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:09,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:09,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:09,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:09,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:09,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:09,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:09,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:09,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:09,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:09,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:09,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:09,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:09,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:22:09,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:09,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:09,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:09,271 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:09,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:09,272 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:09,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:22:09,272 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:09,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:09,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:22:09,274 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:22:09,274 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:09,274 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:22:09,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:22:09,275 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:22:09,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:09,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:22:09,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:09,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:09,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:09,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:09,277 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:09,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:09,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:09,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:09,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:09,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:09,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:09,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:09,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:09,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:09,279 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:22:09,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:22:09,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:09,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:09,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:09,280 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-07 01:22:09,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:09,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:09,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:09,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:09,576 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:09,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-07 01:22:09,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/33e9c7379/df9be99c0a9f4d49ad3e86721d7c2ec9/FLAG387fd8412 [2021-11-07 01:22:10,492 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:10,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-07 01:22:10,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/33e9c7379/df9be99c0a9f4d49ad3e86721d7c2ec9/FLAG387fd8412 [2021-11-07 01:22:10,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/33e9c7379/df9be99c0a9f4d49ad3e86721d7c2ec9 [2021-11-07 01:22:10,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:10,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:10,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:10,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:10,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:10,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:10" (1/1) ... [2021-11-07 01:22:10,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5d30a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:10, skipping insertion in model container [2021-11-07 01:22:10,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:10" (1/1) ... [2021-11-07 01:22:10,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:10,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:10,965 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-07 01:22:10,975 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-07 01:22:11,009 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:22:11,017 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:22:12,457 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,457 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,459 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,480 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,481 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,482 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,483 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:12,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:22:12,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:22:12,857 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:22:12,858 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:22:12,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:22:12,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:22:12,861 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:22:12,862 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:22:12,863 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:22:12,863 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:22:13,004 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:22:13,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:13,048 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) [2021-11-07 01:22:13,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70756768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:13, skipping insertion in model container [2021-11-07 01:22:13,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:13,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:22:13,052 INFO L168 Benchmark]: Toolchain (without parser) took 2482.54 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 61.7 MB in the beginning and 80.5 MB in the end (delta: -18.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:13,052 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:22:13,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2480.06 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 61.5 MB in the beginning and 80.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:13,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2480.06 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 61.5 MB in the beginning and 80.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7039]: 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8 --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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:15,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:15,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:15,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:15,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:15,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:15,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:15,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:15,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:15,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:15,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:15,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:15,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:15,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:15,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:15,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:15,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:15,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:15,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:15,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:15,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:15,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:15,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:15,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:15,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:15,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:15,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:15,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:15,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:15,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:15,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:15,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:15,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:15,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:15,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:15,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:15,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:15,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:15,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:15,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:15,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:15,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:22:15,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:15,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:15,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:15,601 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:15,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:15,601 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:15,601 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:15,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:15,602 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:15,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:15,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:15,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:15,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:15,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:15,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:15,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:22:15,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:22:15,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:15,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:15,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:15,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:15,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:22:15,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:15,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:15,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:15,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:15,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:15,608 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:22:15,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:22:15,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:15,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:15,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:15,609 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-07 01:22:16,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:16,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:16,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:16,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:16,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:16,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-07 01:22:16,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/f397e4c37/94649626e8b54a6a8ae154b9c2f48523/FLAG9da1c5dde [2021-11-07 01:22:16,849 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:16,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-07 01:22:16,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/f397e4c37/94649626e8b54a6a8ae154b9c2f48523/FLAG9da1c5dde [2021-11-07 01:22:16,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/data/f397e4c37/94649626e8b54a6a8ae154b9c2f48523 [2021-11-07 01:22:16,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:16,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:16,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:16,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:16,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:16,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:16" (1/1) ... [2021-11-07 01:22:16,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2ca5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:16, skipping insertion in model container [2021-11-07 01:22:16,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:16" (1/1) ... [2021-11-07 01:22:16,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:17,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:17,322 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-07 01:22:17,329 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-07 01:22:17,350 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:22:17,355 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:22:18,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,060 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,061 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,081 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,082 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,084 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,085 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,086 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,087 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:22:18,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:22:18,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:22:18,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:22:18,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:22:18,533 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:22:18,534 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:22:18,534 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:22:18,535 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:22:18,535 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:22:18,697 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:22:18,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:18,742 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:22:18,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:18,796 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-07 01:22:18,796 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-07 01:22:18,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:22:18,798 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:22:18,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,840 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:18,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:22:18,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:22:18,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:22:18,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:22:18,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:22:18,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:22:18,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:22:18,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:22:18,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:22:18,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:22:18,929 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:22:18,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:18,953 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:22:18,965 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-07 01:22:18,966 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_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-07 01:22:18,968 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:22:18,968 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:22:19,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,013 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,014 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,014 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,014 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:22:19,085 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:22:19,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:22:19,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:22:19,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:22:19,090 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:22:19,090 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:22:19,091 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:22:19,092 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:22:19,092 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:22:19,093 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:22:19,125 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:22:19,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:19,493 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:22:19,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19 WrapperNode [2021-11-07 01:22:19,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:19,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:19,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:22:19,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:22:19,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:19,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:22:19,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:22:19,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:22:19,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:22:19,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:22:19,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:22:19,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:22:19,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (1/1) ... [2021-11-07 01:22:19,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:22:19,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:22:19,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:22:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:22:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:22:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:22:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:22:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:22:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:22:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:22:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:22:20,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:22:20,725 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-11-07 01:22:20,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:20 BoogieIcfgContainer [2021-11-07 01:22:20,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:22:20,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:22:20,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:22:20,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:22:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:22:16" (1/3) ... [2021-11-07 01:22:20,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707d6f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:20, skipping insertion in model container [2021-11-07 01:22:20,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:19" (2/3) ... [2021-11-07 01:22:20,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707d6f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:20, skipping insertion in model container [2021-11-07 01:22:20,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:20" (3/3) ... [2021-11-07 01:22:20,735 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2021-11-07 01:22:20,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:22:20,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-07 01:22:20,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:22:20,792 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 [2021-11-07 01:22:20,792 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-07 01:22:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 80 states have (on average 1.475) internal successors, (118), 90 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:22:20,813 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:20,813 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:22:20,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:22:20,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash -828458406, now seen corresponding path program 1 times [2021-11-07 01:22:20,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:20,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399529721] [2021-11-07 01:22:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:20,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:20,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:20,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:22:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:21,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:22:21,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:21,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:21,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:21,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399529721] [2021-11-07 01:22:21,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399529721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:21,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:21,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:22:21,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847333326] [2021-11-07 01:22:21,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:22:21,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:22:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:22:21,285 INFO L87 Difference]: Start difference. First operand has 91 states, 80 states have (on average 1.475) internal successors, (118), 90 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:21,319 INFO L93 Difference]: Finished difference Result 174 states and 225 transitions. [2021-11-07 01:22:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:22:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:22:21,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:21,333 INFO L225 Difference]: With dead ends: 174 [2021-11-07 01:22:21,334 INFO L226 Difference]: Without dead ends: 86 [2021-11-07 01:22:21,339 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:22:21,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-07 01:22:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-07 01:22:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 85 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2021-11-07 01:22:21,389 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 18 [2021-11-07 01:22:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:21,390 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2021-11-07 01:22:21,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2021-11-07 01:22:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:22:21,392 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:21,392 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:22:21,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:21,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:21,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:22:21,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:21,609 INFO L85 PathProgramCache]: Analyzing trace with hash 552664542, now seen corresponding path program 1 times [2021-11-07 01:22:21,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:21,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945871881] [2021-11-07 01:22:21,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:21,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:21,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:21,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:21,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:22:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:21,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-07 01:22:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:22,057 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-07 01:22:22,058 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 1 case distinctions, treesize of input 51 treesize of output 38 [2021-11-07 01:22:22,073 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:22:22,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 42 [2021-11-07 01:22:38,320 WARN L207 SmtUtils]: Spent 15.56 s on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2021-11-07 01:22:38,321 INFO L354 Elim1Store]: treesize reduction 506, result has 20.7 percent of original size [2021-11-07 01:22:38,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 762 treesize of output 537 [2021-11-07 01:22:38,500 INFO L354 Elim1Store]: treesize reduction 186, result has 17.0 percent of original size [2021-11-07 01:22:38,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 951 treesize of output 336 [2021-11-07 01:22:47,800 INFO L354 Elim1Store]: treesize reduction 101, result has 7.3 percent of original size [2021-11-07 01:22:47,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 189 treesize of output 105 [2021-11-07 01:22:47,856 INFO L354 Elim1Store]: treesize reduction 82, result has 3.5 percent of original size [2021-11-07 01:22:47,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 48 [2021-11-07 01:22:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:47,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:48,200 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 2605 treesize of output 2453 [2021-11-07 01:22:50,963 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 3506 treesize of output 3458 [2021-11-07 01:23:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:06,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:06,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945871881] [2021-11-07 01:23:06,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945871881] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:06,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:06,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-07 01:23:06,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629354229] [2021-11-07 01:23:06,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:23:06,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:06,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:23:06,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:23:06,551 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:10,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:10,287 INFO L93 Difference]: Finished difference Result 107 states and 124 transitions. [2021-11-07 01:23:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:23:10,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:23:10,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:10,289 INFO L225 Difference]: With dead ends: 107 [2021-11-07 01:23:10,289 INFO L226 Difference]: Without dead ends: 105 [2021-11-07 01:23:10,290 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:23:10,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-07 01:23:10,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2021-11-07 01:23:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 88 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2021-11-07 01:23:10,299 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 18 [2021-11-07 01:23:10,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:10,300 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2021-11-07 01:23:10,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2021-11-07 01:23:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:23:10,301 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:10,301 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:10,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:10,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:10,518 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:23:10,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 554511584, now seen corresponding path program 1 times [2021-11-07 01:23:10,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:10,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517312244] [2021-11-07 01:23:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:10,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:10,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:10,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:23:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:10,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:23:10,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:57,313 WARN L207 SmtUtils]: Spent 46.49 s on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-11-07 01:23:57,314 INFO L354 Elim1Store]: treesize reduction 1556, result has 22.4 percent of original size [2021-11-07 01:23:57,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1135 treesize of output 646 [2021-11-07 01:23:57,363 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 2259 treesize of output 2151 [2021-11-07 01:23:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:57,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:23:57,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 318 treesize of output 294 [2021-11-07 01:23:58,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:58,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:58,674 INFO L354 Elim1Store]: treesize reduction 18, result has 48.6 percent of original size [2021-11-07 01:23:58,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 104 [2021-11-07 01:23:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:23:59,509 INFO L354 Elim1Store]: treesize reduction 74, result has 44.4 percent of original size [2021-11-07 01:23:59,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 131 treesize of output 149 [2021-11-07 01:24:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:00,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:00,279 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:24:00,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 88 [2021-11-07 01:24:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:01,088 INFO L354 Elim1Store]: treesize reduction 90, result has 32.3 percent of original size [2021-11-07 01:24:01,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 256 treesize of output 240 [2021-11-07 01:24:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:12,917 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:12,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 131 treesize of output 141 [2021-11-07 01:24:23,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:26:48,579 INFO L354 Elim1Store]: treesize reduction 74, result has 46.0 percent of original size [2021-11-07 01:26:48,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 388 treesize of output 297 [2021-11-07 01:26:57,284 WARN L207 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-11-07 01:26:58,103 INFO L354 Elim1Store]: treesize reduction 46, result has 75.4 percent of original size [2021-11-07 01:26:58,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 138 treesize of output 206 [2021-11-07 01:26:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:58,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:59,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:59,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517312244] [2021-11-07 01:26:59,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517312244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:59,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:59,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-07 01:26:59,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332550830] [2021-11-07 01:26:59,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:26:59,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:59,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:26:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:26:59,194 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:28,222 WARN L207 SmtUtils]: Spent 6.18 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-07 01:27:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:32,730 INFO L93 Difference]: Finished difference Result 178 states and 208 transitions. [2021-11-07 01:27:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:27:32,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:27:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:32,732 INFO L225 Difference]: With dead ends: 178 [2021-11-07 01:27:32,732 INFO L226 Difference]: Without dead ends: 92 [2021-11-07 01:27:32,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=65, Invalid=113, Unknown=4, NotChecked=0, Total=182 [2021-11-07 01:27:32,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-07 01:27:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2021-11-07 01:27:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 81 states have (on average 1.271604938271605) internal successors, (103), 90 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2021-11-07 01:27:32,742 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 18 [2021-11-07 01:27:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:32,742 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2021-11-07 01:27:32,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2021-11-07 01:27:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:27:32,749 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:32,750 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:32,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:32,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:32,964 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:27:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1965448350, now seen corresponding path program 1 times [2021-11-07 01:27:32,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:32,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052934651] [2021-11-07 01:27:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:32,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:32,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:32,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:27:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:33,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:27:33,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:27:33,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:27:33,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:33,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052934651] [2021-11-07 01:27:33,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052934651] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:33,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:33,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:27:33,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953177515] [2021-11-07 01:27:33,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:33,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:33,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:33,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:33,288 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:33,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:33,469 INFO L93 Difference]: Finished difference Result 161 states and 183 transitions. [2021-11-07 01:27:33,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:33,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:27:33,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:33,471 INFO L225 Difference]: With dead ends: 161 [2021-11-07 01:27:33,471 INFO L226 Difference]: Without dead ends: 84 [2021-11-07 01:27:33,472 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:27:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-07 01:27:33,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-11-07 01:27:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 83 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2021-11-07 01:27:33,479 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 18 [2021-11-07 01:27:33,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:33,479 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2021-11-07 01:27:33,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2021-11-07 01:27:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:27:33,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:33,481 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:33,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:33,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:33,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:27:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:33,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1088258973, now seen corresponding path program 1 times [2021-11-07 01:27:33,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:33,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347222757] [2021-11-07 01:27:33,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:33,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:33,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:33,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:33,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:27:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:33,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-07 01:27:33,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:41,227 WARN L207 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 119 DAG size of output: 70 [2021-11-07 01:27:41,227 INFO L354 Elim1Store]: treesize reduction 1317, result has 23.3 percent of original size [2021-11-07 01:27:41,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 4441 treesize of output 2839 [2021-11-07 01:27:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:43,911 INFO L354 Elim1Store]: treesize reduction 976, result has 29.5 percent of original size [2021-11-07 01:27:43,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 10564 treesize of output 4361 [2021-11-07 01:27:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:44,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-07 01:27:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:45,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:27:45,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:45,985 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-07 01:27:45,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:27:46,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:27:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:46,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:27:46,823 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-07 01:27:46,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 226 treesize of output 176 [2021-11-07 01:27:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:47,779 INFO L354 Elim1Store]: treesize reduction 52, result has 54.0 percent of original size [2021-11-07 01:27:47,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 294 treesize of output 304 [2021-11-07 01:27:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:50,133 INFO L354 Elim1Store]: treesize reduction 15, result has 28.6 percent of original size [2021-11-07 01:27:50,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 16 [2021-11-07 01:27:50,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:50,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-07 01:27:51,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:27:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:51,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-07 01:27:51,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:27:51,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:51,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 7 [2021-11-07 01:27:52,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:27:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:52,510 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:27:52,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:27:52,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:27:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:53,223 INFO L354 Elim1Store]: treesize reduction 58, result has 13.4 percent of original size [2021-11-07 01:27:53,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 22 [2021-11-07 01:27:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:54,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-11-07 01:27:54,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:27:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-11-07 01:27:55,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:27:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,426 INFO L354 Elim1Store]: treesize reduction 21, result has 32.3 percent of original size [2021-11-07 01:27:55,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 43 [2021-11-07 01:27:55,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:27:55,917 INFO L354 Elim1Store]: treesize reduction 16, result has 71.9 percent of original size [2021-11-07 01:27:55,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 80 [2021-11-07 01:28:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:06,971 INFO L354 Elim1Store]: treesize reduction 30, result has 57.7 percent of original size [2021-11-07 01:28:06,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 64 treesize of output 84 [2021-11-07 01:28:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:07,735 INFO L354 Elim1Store]: treesize reduction 14, result has 79.1 percent of original size [2021-11-07 01:28:07,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 103 [2021-11-07 01:28:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:08,166 INFO L354 Elim1Store]: treesize reduction 28, result has 50.9 percent of original size [2021-11-07 01:28:08,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 61 [2021-11-07 01:28:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:08,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:08,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 21 [2021-11-07 01:28:09,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:09,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-07 01:28:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:09,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:09,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 7 [2021-11-07 01:28:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:10,214 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-07 01:28:10,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:28:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:10,501 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-07 01:28:10,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 10 [2021-11-07 01:28:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:13,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:13,465 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-07 01:28:13,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 38 [2021-11-07 01:28:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:13,745 INFO L354 Elim1Store]: treesize reduction 86, result has 21.1 percent of original size [2021-11-07 01:28:13,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 60 [2021-11-07 01:28:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:14,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:14,396 INFO L354 Elim1Store]: treesize reduction 16, result has 71.9 percent of original size [2021-11-07 01:28:14,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 80 [2021-11-07 01:28:29,953 INFO L354 Elim1Store]: treesize reduction 160, result has 16.2 percent of original size [2021-11-07 01:28:29,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 245 treesize of output 152 [2021-11-07 01:28:30,217 INFO L354 Elim1Store]: treesize reduction 153, result has 26.8 percent of original size [2021-11-07 01:28:30,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 116 treesize of output 132 [2021-11-07 01:28:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:30,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:32,133 INFO L354 Elim1Store]: treesize reduction 3390, result has 0.0 percent of original size [2021-11-07 01:28:32,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 3441982 treesize of output 1 [2021-11-07 01:28:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:32,153 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:32,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347222757] [2021-11-07 01:28:32,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347222757] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:32,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:32,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 20 [2021-11-07 01:28:32,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747853068] [2021-11-07 01:28:32,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 01:28:32,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:32,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 01:28:32,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:28:32,156 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:29:02,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:02,217 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2021-11-07 01:29:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:29:02,218 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:29:02,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:02,219 INFO L225 Difference]: With dead ends: 113 [2021-11-07 01:29:02,219 INFO L226 Difference]: Without dead ends: 111 [2021-11-07 01:29:02,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 01:29:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-07 01:29:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 87. [2021-11-07 01:29:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 86 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:29:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2021-11-07 01:29:02,238 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 25 [2021-11-07 01:29:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:02,238 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2021-11-07 01:29:02,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:29:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-07 01:29:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:29:02,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:02,239 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:29:02,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:02,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:02,440 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:29:02,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:02,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1086411931, now seen corresponding path program 1 times [2021-11-07 01:29:02,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:02,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730144140] [2021-11-07 01:29:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:02,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:02,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:02,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:02,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2032c54c-c9eb-4c85-8a0e-f9198b1419fb/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:29:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:02,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-07 01:29:02,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:23,887 WARN L207 SmtUtils]: Spent 20.98 s on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-11-07 01:29:23,888 INFO L354 Elim1Store]: treesize reduction 1198, result has 30.2 percent of original size [2021-11-07 01:29:23,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 4441 treesize of output 2958 [2021-11-07 01:29:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:26,869 INFO L354 Elim1Store]: treesize reduction 976, result has 29.5 percent of original size [2021-11-07 01:29:26,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 11003 treesize of output 4764 [2021-11-07 01:29:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:27,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:29:27,511 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-07 01:29:27,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 110 treesize of output 84 [2021-11-07 01:29:27,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:29:27,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:29:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:28,240 INFO L354 Elim1Store]: treesize reduction 53, result has 20.9 percent of original size [2021-11-07 01:29:28,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 73 [2021-11-07 01:29:28,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:29:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:29,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-11-07 01:29:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:30,368 INFO L354 Elim1Store]: treesize reduction 38, result has 66.4 percent of original size [2021-11-07 01:29:30,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 337 treesize of output 361 [2021-11-07 01:29:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:34,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:29:34,696 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:29:34,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:29:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:35,323 INFO L354 Elim1Store]: treesize reduction 43, result has 24.6 percent of original size [2021-11-07 01:29:35,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 27 [2021-11-07 01:29:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:35,718 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:29:35,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:29:35,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:29:36,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:36,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:29:36,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 10 [2021-11-07 01:29:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:37,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:37,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:29:37,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2021-11-07 01:29:37,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:37,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:37,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:29:37,869 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:29:37,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2021-11-07 01:29:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:38,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:29:38,626 INFO L354 Elim1Store]: treesize reduction 28, result has 50.9 percent of original size [2021-11-07 01:29:38,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 61 [2021-11-07 01:31:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:06,755 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:31:06,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 10 [2021-11-07 01:31:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:07,046 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-07 01:31:07,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:31:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:07,672 INFO L354 Elim1Store]: treesize reduction 17, result has 45.2 percent of original size [2021-11-07 01:31:07,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 61 [2021-11-07 01:31:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:08,624 INFO L354 Elim1Store]: treesize reduction 30, result has 57.7 percent of original size [2021-11-07 01:31:08,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 80 [2021-11-07 01:31:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:09,331 INFO L354 Elim1Store]: treesize reduction 43, result has 24.6 percent of original size [2021-11-07 01:31:09,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 37 [2021-11-07 01:31:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:10,527 INFO L354 Elim1Store]: treesize reduction 16, result has 71.9 percent of original size [2021-11-07 01:31:10,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 80 [2021-11-07 01:31:10,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:11,110 INFO L354 Elim1Store]: treesize reduction 14, result has 79.1 percent of original size [2021-11-07 01:31:11,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 99 [2021-11-07 01:31:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:11,716 INFO L354 Elim1Store]: treesize reduction 26, result has 61.2 percent of original size [2021-11-07 01:31:11,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 80 [2021-11-07 01:31:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-11-07 01:31:12,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:31:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:31:12,783 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:31:12,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2021-11-07 01:31:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:32:00,249 INFO L354 Elim1Store]: treesize reduction 70, result has 63.0 percent of original size [2021-11-07 01:32:00,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 253 treesize of output 308