./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_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_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/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_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/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_c7318a2b-fd26-4eae-bac4-7708be05765b/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 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:57:21,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:57:21,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:57:21,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:57:21,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:57:21,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:57:21,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:57:21,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:57:21,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:57:21,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:57:21,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:57:21,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:57:21,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:57:21,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:57:21,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:57:21,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:57:21,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:57:21,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:57:21,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:57:21,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:57:21,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:57:21,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:57:21,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:57:21,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:57:21,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:57:21,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:57:21,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:57:21,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:57:21,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:57:21,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:57:21,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:57:21,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:57:21,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:57:21,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:57:21,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:57:21,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:57:21,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:57:21,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:57:21,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:57:21,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:57:21,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:57:21,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:57:21,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:57:21,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:57:21,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:57:21,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:57:21,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:57:21,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:57:21,208 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:57:21,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:57:21,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:57:21,215 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:57:21,216 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:57:21,217 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:57:21,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:57:21,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:57:21,217 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:57:21,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:57:21,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:57:21,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:57:21,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:57:21,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:57:21,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:57:21,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:57:21,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:57:21,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:57:21,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:57:21,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:57:21,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:57:21,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:21,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:57:21,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:57:21,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:57:21,223 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:57:21,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:57:21,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:57:21,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:57:21,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:57:21,225 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_c7318a2b-fd26-4eae-bac4-7708be05765b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c [2021-11-07 01:57:21,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:57:21,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:57:21,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:57:21,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:57:21,624 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:57:21,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-07 01:57:21,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/ece696675/839df56a321a4822be70f90b2a1f7db1/FLAG89b2e8ed5 [2021-11-07 01:57:22,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:57:22,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-07 01:57:22,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/ece696675/839df56a321a4822be70f90b2a1f7db1/FLAG89b2e8ed5 [2021-11-07 01:57:23,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/ece696675/839df56a321a4822be70f90b2a1f7db1 [2021-11-07 01:57:23,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:57:23,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:57:23,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:23,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:57:23,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:57:23,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:23" (1/1) ... [2021-11-07 01:57:23,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d28eb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:23, skipping insertion in model container [2021-11-07 01:57:23,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:23" (1/1) ... [2021-11-07 01:57:23,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:57:23,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:23,622 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-07 01:57:23,633 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-07 01:57:23,663 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:57:23,672 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:57:24,685 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,686 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,686 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,691 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,692 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,711 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,713 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:24,714 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:25,175 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:57:25,176 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:57:25,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:57:25,179 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:57:25,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:57:25,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:57:25,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:57:25,183 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:57:25,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:57:25,185 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:57:25,388 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:57:25,581 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:25,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:25,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:25,763 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 01:57:25,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@228dfa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:25, skipping insertion in model container [2021-11-07 01:57:25,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:25,765 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:57:25,767 INFO L168 Benchmark]: Toolchain (without parser) took 2611.32 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 84.7 MB in the beginning and 99.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:57:25,768 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:57:25,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2608.80 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 84.7 MB in the beginning and 99.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:57:25,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2608.80 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 84.7 MB in the beginning and 99.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/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_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/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_c7318a2b-fd26-4eae-bac4-7708be05765b/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 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:57:27,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:57:27,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:57:27,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:57:27,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:57:27,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:57:27,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:57:28,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:57:28,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:57:28,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:57:28,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:57:28,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:57:28,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:57:28,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:57:28,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:57:28,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:57:28,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:57:28,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:57:28,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:57:28,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:57:28,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:57:28,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:57:28,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:57:28,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:57:28,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:57:28,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:57:28,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:57:28,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:57:28,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:57:28,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:57:28,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:57:28,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:57:28,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:57:28,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:57:28,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:57:28,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:57:28,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:57:28,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:57:28,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:57:28,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:57:28,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:57:28,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:57:28,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:57:28,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:57:28,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:57:28,076 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:57:28,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:57:28,077 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:57:28,077 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:57:28,077 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:57:28,077 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:57:28,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:57:28,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:57:28,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:57:28,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:57:28,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:57:28,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:57:28,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:57:28,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:57:28,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:57:28,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:57:28,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:57:28,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:57:28,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:57:28,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:57:28,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:28,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:57:28,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:57:28,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:57:28,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:57:28,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:57:28,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:57:28,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:57:28,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:57:28,085 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_c7318a2b-fd26-4eae-bac4-7708be05765b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c [2021-11-07 01:57:28,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:57:28,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:57:28,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:57:28,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:57:28,514 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:57:28,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-07 01:57:28,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/698c656f8/b3420bad6757470eb3dc6e3c400f1394/FLAGbea037566 [2021-11-07 01:57:29,533 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:57:29,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-07 01:57:29,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/698c656f8/b3420bad6757470eb3dc6e3c400f1394/FLAGbea037566 [2021-11-07 01:57:29,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/data/698c656f8/b3420bad6757470eb3dc6e3c400f1394 [2021-11-07 01:57:29,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:57:29,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:57:29,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:29,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:57:29,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:57:29,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:29" (1/1) ... [2021-11-07 01:57:29,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4912a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:29, skipping insertion in model container [2021-11-07 01:57:29,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:29" (1/1) ... [2021-11-07 01:57:30,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:57:30,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:30,443 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-07 01:57:30,451 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-07 01:57:30,477 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:57:30,483 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:57:31,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,378 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,398 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,401 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,402 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:31,829 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:57:31,830 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:57:31,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:57:31,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:57:31,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:57:31,835 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:57:31,836 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:57:31,837 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:57:31,838 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:57:31,839 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:57:32,013 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:57:32,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:32,315 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:57:32,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:32,394 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-07 01:57:32,398 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-07 01:57:32,401 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:57:32,402 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:57:32,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,486 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,564 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:57:32,564 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:57:32,565 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:57:32,566 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:57:32,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:57:32,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:57:32,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:57:32,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:57:32,572 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:57:32,576 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:57:32,621 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:57:32,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,682 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:32,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:57:32,753 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-07 01:57:32,757 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_c7318a2b-fd26-4eae-bac4-7708be05765b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-07 01:57:32,758 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:57:32,771 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:57:32,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:32,886 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:57:32,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:57:32,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:57:32,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:57:32,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:57:32,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:57:32,890 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:57:32,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:57:32,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:57:32,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:57:32,915 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:57:33,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:33,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:57:33,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:33,524 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:57:33,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33 WrapperNode [2021-11-07 01:57:33,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:33,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:57:33,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:57:33,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:57:33,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:57:33,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:57:33,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:57:33,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:57:33,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:57:33,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:57:33,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:57:33,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:57:33,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (1/1) ... [2021-11-07 01:57:33,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:33,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:57:33,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:57:33,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:57:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:57:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:57:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:57:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:57:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:57:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:57:34,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:57:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:57:34,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:57:34,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:57:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:57:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:57:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:57:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:57:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:57:49,931 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:57:49,935 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-07 01:57:49,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:49 BoogieIcfgContainer [2021-11-07 01:57:49,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:57:49,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:57:49,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:57:49,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:57:49,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:57:29" (1/3) ... [2021-11-07 01:57:49,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f46911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:49, skipping insertion in model container [2021-11-07 01:57:49,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:33" (2/3) ... [2021-11-07 01:57:49,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f46911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:49, skipping insertion in model container [2021-11-07 01:57:49,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:49" (3/3) ... [2021-11-07 01:57:49,952 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2021-11-07 01:57:49,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:57:49,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-07 01:57:50,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:57:50,015 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 01:57:50,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-07 01:57:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 183 states have (on average 1.46448087431694) internal successors, (268), 192 states have internal predecessors, (268), 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 01:57:50,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:57:50,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:50,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:50,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-07 01:57:50,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2073123034, now seen corresponding path program 1 times [2021-11-07 01:57:50,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:50,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713091351] [2021-11-07 01:57:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:50,070 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:50,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:50,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:50,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:57:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:54,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:57:54,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:54,617 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 01:57:54,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:54,771 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 01:57:54,772 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:54,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713091351] [2021-11-07 01:57:54,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713091351] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:54,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:54,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:57:54,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78884781] [2021-11-07 01:57:54,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:57:54,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:57:54,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:57:54,796 INFO L87 Difference]: Start difference. First operand has 193 states, 183 states have (on average 1.46448087431694) internal successors, (268), 192 states have internal predecessors, (268), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 01:57:54,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:54,833 INFO L93 Difference]: Finished difference Result 382 states and 531 transitions. [2021-11-07 01:57:54,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:57:54,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 41 [2021-11-07 01:57:54,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:54,845 INFO L225 Difference]: With dead ends: 382 [2021-11-07 01:57:54,845 INFO L226 Difference]: Without dead ends: 186 [2021-11-07 01:57:54,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 01:57:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-07 01:57:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-07 01:57:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.3389830508474576) internal successors, (237), 185 states have internal predecessors, (237), 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 01:57:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 237 transitions. [2021-11-07 01:57:54,899 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 237 transitions. Word has length 41 [2021-11-07 01:57:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:54,899 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 237 transitions. [2021-11-07 01:57:54,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 01:57:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2021-11-07 01:57:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:57:54,902 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:54,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:54,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:57:55,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:55,110 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-07 01:57:55,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:55,111 INFO L85 PathProgramCache]: Analyzing trace with hash 706757656, now seen corresponding path program 1 times [2021-11-07 01:57:55,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:55,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253972474] [2021-11-07 01:57:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:55,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:55,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:55,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:57:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:59,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:57:59,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:59,755 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 01:57:59,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:59,961 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 01:57:59,962 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:59,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253972474] [2021-11-07 01:57:59,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253972474] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:59,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:59,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:57:59,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715738774] [2021-11-07 01:57:59,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:57:59,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:59,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:57:59,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:59,966 INFO L87 Difference]: Start difference. First operand 186 states and 237 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 01:58:00,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:00,461 INFO L93 Difference]: Finished difference Result 351 states and 447 transitions. [2021-11-07 01:58:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:58:00,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2021-11-07 01:58:00,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:00,464 INFO L225 Difference]: With dead ends: 351 [2021-11-07 01:58:00,464 INFO L226 Difference]: Without dead ends: 186 [2021-11-07 01:58:00,466 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:58:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-07 01:58:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-07 01:58:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.3220338983050848) internal successors, (234), 185 states have internal predecessors, (234), 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 01:58:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 234 transitions. [2021-11-07 01:58:00,483 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 234 transitions. Word has length 41 [2021-11-07 01:58:00,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:00,484 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 234 transitions. [2021-11-07 01:58:00,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 01:58:00,484 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2021-11-07 01:58:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:58:00,488 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:00,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:00,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:00,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:00,710 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-07 01:58:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:00,711 INFO L85 PathProgramCache]: Analyzing trace with hash 115187874, now seen corresponding path program 1 times [2021-11-07 01:58:00,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:00,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075062242] [2021-11-07 01:58:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:00,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:00,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:00,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:00,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:58:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:05,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:05,595 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 01:58:05,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:05,864 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 01:58:05,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:05,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075062242] [2021-11-07 01:58:05,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075062242] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:05,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:05,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:58:05,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864102028] [2021-11-07 01:58:05,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:58:05,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:05,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:58:05,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:58:05,866 INFO L87 Difference]: Start difference. First operand 186 states and 234 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 01:58:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:06,408 INFO L93 Difference]: Finished difference Result 326 states and 410 transitions. [2021-11-07 01:58:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:58:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 45 [2021-11-07 01:58:06,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:06,410 INFO L225 Difference]: With dead ends: 326 [2021-11-07 01:58:06,411 INFO L226 Difference]: Without dead ends: 186 [2021-11-07 01:58:06,411 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:58:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-07 01:58:06,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-07 01:58:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.2994350282485876) internal successors, (230), 185 states have internal predecessors, (230), 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 01:58:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 230 transitions. [2021-11-07 01:58:06,426 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 230 transitions. Word has length 45 [2021-11-07 01:58:06,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:06,427 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 230 transitions. [2021-11-07 01:58:06,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 01:58:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 230 transitions. [2021-11-07 01:58:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:58:06,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:06,430 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, 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 01:58:06,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:58:06,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:06,651 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-07 01:58:06,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:06,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1710219843, now seen corresponding path program 1 times [2021-11-07 01:58:06,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:06,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931775387] [2021-11-07 01:58:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:06,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:06,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:06,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:06,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7318a2b-fd26-4eae-bac4-7708be05765b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:58:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:11,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-07 01:58:11,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:13,185 INFO L354 Elim1Store]: treesize reduction 1202, result has 0.1 percent of original size [2021-11-07 01:58:13,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 225 treesize of output 69 [2021-11-07 01:58:13,611 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 01:58:13,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:44,789 WARN L207 SmtUtils]: Spent 28.60 s on a formula simplification. DAG size of input: 1166 DAG size of output: 513 [2021-11-07 01:58:44,802 INFO L354 Elim1Store]: treesize reduction 2280, result has 39.2 percent of original size [2021-11-07 01:58:44,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 252 treesize of output 1538