./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_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_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/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_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/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_fbab12ef-1558-4650-ad32-51e93ae02959/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 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:11:51,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:11:51,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:11:51,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:11:51,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:11:51,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:11:51,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:11:51,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:11:51,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:11:51,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:11:51,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:11:51,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:11:51,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:11:51,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:11:51,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:11:51,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:11:51,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:11:51,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:11:51,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:11:51,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:11:51,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:11:51,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:11:51,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:11:51,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:11:51,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:11:51,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:11:51,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:11:51,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:11:51,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:11:51,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:11:51,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:11:51,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:11:51,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:11:51,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:11:51,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:11:51,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:11:51,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:11:51,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:11:51,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:11:51,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:11:51,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:11:51,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:11:51,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:11:51,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:11:51,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:11:51,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:11:51,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:11:51,849 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:11:51,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:11:51,850 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:11:51,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:11:51,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:11:51,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:11:51,860 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:11:51,860 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:11:51,861 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:11:51,861 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:11:51,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:11:51,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:11:51,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:11:51,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:11:51,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:11:51,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:11:51,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:11:51,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:11:51,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:11:51,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:11:51,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:11:51,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:11:51,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:51,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:11:51,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:11:51,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:11:51,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:11:51,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:11:51,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:11:51,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:11:51,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:11:51,871 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_fbab12ef-1558-4650-ad32-51e93ae02959/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2021-11-07 02:11:52,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:11:52,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:11:52,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:11:52,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:11:52,230 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:11:52,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-07 02:11:52,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/1aaf92798/fb72eefd49724b6f9f00592b3e821e24/FLAGfbb661288 [2021-11-07 02:11:53,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:11:53,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-07 02:11:53,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/1aaf92798/fb72eefd49724b6f9f00592b3e821e24/FLAGfbb661288 [2021-11-07 02:11:53,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/1aaf92798/fb72eefd49724b6f9f00592b3e821e24 [2021-11-07 02:11:53,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:11:53,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:11:53,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:53,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:11:53,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:11:53,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:53" (1/1) ... [2021-11-07 02:11:53,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b37b784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:53, skipping insertion in model container [2021-11-07 02:11:53,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:53" (1/1) ... [2021-11-07 02:11:53,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:11:53,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:11:54,286 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-07 02:11:54,294 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-07 02:11:54,323 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:11:54,330 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:11:55,455 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:11:55,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,597 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,600 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,640 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:55,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:56,210 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:11:56,212 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:11:56,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:11:56,217 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:11:56,222 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:11:56,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:11:56,225 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:11:56,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:11:56,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:11:56,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:11:56,436 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:56,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:11:56,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:11:56,618 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 02:11:56,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f96f826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:56, skipping insertion in model container [2021-11-07 02:11:56,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:56,619 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:11:56,622 INFO L168 Benchmark]: Toolchain (without parser) took 2897.59 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 70.0 MB in the beginning and 102.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:56,622 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:11:56,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2894.36 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 69.8 MB in the beginning and 102.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:56,625 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 111.1 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2894.36 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 69.8 MB in the beginning and 102.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: 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_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/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_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/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_fbab12ef-1558-4650-ad32-51e93ae02959/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 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:11:59,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:11:59,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:11:59,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:11:59,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:11:59,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:11:59,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:11:59,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:11:59,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:11:59,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:11:59,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:11:59,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:11:59,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:11:59,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:11:59,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:11:59,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:11:59,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:11:59,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:11:59,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:11:59,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:11:59,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:11:59,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:11:59,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:11:59,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:11:59,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:11:59,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:11:59,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:11:59,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:11:59,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:11:59,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:11:59,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:11:59,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:11:59,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:11:59,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:11:59,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:11:59,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:11:59,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:11:59,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:11:59,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:11:59,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:11:59,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:11:59,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:11:59,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:11:59,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:11:59,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:11:59,652 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:11:59,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:11:59,652 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:11:59,652 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:11:59,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:11:59,653 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:11:59,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:11:59,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:11:59,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:11:59,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:11:59,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:11:59,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:11:59,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:11:59,658 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:11:59,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:11:59,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:11:59,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:11:59,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:11:59,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:11:59,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:11:59,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:59,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:11:59,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:11:59,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:11:59,661 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:11:59,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:11:59,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:11:59,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:11:59,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:11:59,662 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_fbab12ef-1558-4650-ad32-51e93ae02959/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2021-11-07 02:12:00,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:00,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:00,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:00,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:00,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:00,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-07 02:12:00,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/0165a2bb4/73581432125543b291c314a6afbb9e07/FLAGc3d040022 [2021-11-07 02:12:01,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:01,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-07 02:12:01,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/0165a2bb4/73581432125543b291c314a6afbb9e07/FLAGc3d040022 [2021-11-07 02:12:01,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/data/0165a2bb4/73581432125543b291c314a6afbb9e07 [2021-11-07 02:12:01,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:01,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:01,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:01,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:01,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:01,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:01" (1/1) ... [2021-11-07 02:12:01,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff0f734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:01, skipping insertion in model container [2021-11-07 02:12:01,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:01" (1/1) ... [2021-11-07 02:12:01,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:01,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:02,224 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-07 02:12:02,234 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-07 02:12:02,274 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:02,284 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:03,325 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:03,423 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,424 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,425 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,426 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,428 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,453 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,454 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,456 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,457 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:03,930 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:03,932 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:03,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:03,935 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:03,937 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:03,937 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:03,938 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:03,939 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:03,940 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:03,941 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:04,153 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:04,344 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:12:04,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:04,409 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-07 02:12:04,411 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-07 02:12:04,431 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:04,438 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:04,515 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:04,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,567 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,568 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,569 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,569 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:04,620 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:04,621 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:04,622 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:04,623 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:04,624 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:04,625 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:04,625 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:04,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:04,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:04,665 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,672 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:04,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:12:04,786 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-07 02:12:04,786 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_fbab12ef-1558-4650-ad32-51e93ae02959/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-07 02:12:04,788 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:04,789 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:04,823 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:04,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,854 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,866 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,866 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,867 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,867 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,868 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,869 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:04,966 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:04,966 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:04,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:04,968 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:04,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:04,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:04,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:04,970 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:04,970 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:04,971 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:05,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:05,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:05,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:05,460 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:12:05,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05 WrapperNode [2021-11-07 02:12:05,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:05,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:05,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:12:05,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:12:05,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:05,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:05,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:05,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:12:05,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:12:05,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:12:05,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:05,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:05,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:05,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:06,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:06,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:06,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:06,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:12:06,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:12:06,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:12:06,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:12:06,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (1/1) ... [2021-11-07 02:12:06,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:06,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:12:06,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:12:06,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:12:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:12:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:12:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:12:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:12:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:12:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 02:12:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:12:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 02:12:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:12:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:12:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:12:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:12:30,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:12:30,284 INFO L299 CfgBuilder]: Removed 512 assume(true) statements. [2021-11-07 02:12:30,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:30 BoogieIcfgContainer [2021-11-07 02:12:30,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:12:30,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:12:30,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:12:30,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:12:30,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:12:01" (1/3) ... [2021-11-07 02:12:30,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:30, skipping insertion in model container [2021-11-07 02:12:30,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:05" (2/3) ... [2021-11-07 02:12:30,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:30, skipping insertion in model container [2021-11-07 02:12:30,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:30" (3/3) ... [2021-11-07 02:12:30,299 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2021-11-07 02:12:30,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:12:30,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-07 02:12:30,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:12:30,378 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 02:12:30,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-07 02:12:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 601 states, 577 states have (on average 1.4038128249566724) internal successors, (810), 600 states have internal predecessors, (810), 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 02:12:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 02:12:30,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:30,429 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:12:30,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:12:30,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1173181215, now seen corresponding path program 1 times [2021-11-07 02:12:30,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:30,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399741037] [2021-11-07 02:12:30,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:30,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:30,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:30,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:12:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:12:35,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:12:35,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:12:35,786 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 02:12:35,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:12:36,034 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 02:12:36,035 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:12:36,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399741037] [2021-11-07 02:12:36,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399741037] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:12:36,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:12:36,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:12:36,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788868839] [2021-11-07 02:12:36,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:12:36,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:12:36,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:12:36,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:12:36,078 INFO L87 Difference]: Start difference. First operand has 601 states, 577 states have (on average 1.4038128249566724) internal successors, (810), 600 states have internal predecessors, (810), 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 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 02:12:36,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:12:36,185 INFO L93 Difference]: Finished difference Result 1198 states and 1615 transitions. [2021-11-07 02:12:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:12:36,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 53 [2021-11-07 02:12:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:12:36,218 INFO L225 Difference]: With dead ends: 1198 [2021-11-07 02:12:36,219 INFO L226 Difference]: Without dead ends: 596 [2021-11-07 02:12:36,230 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 02:12:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-11-07 02:12:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-11-07 02:12:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 573 states have (on average 1.3089005235602094) internal successors, (750), 595 states have internal predecessors, (750), 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 02:12:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 750 transitions. [2021-11-07 02:12:36,338 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 750 transitions. Word has length 53 [2021-11-07 02:12:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:12:36,338 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 750 transitions. [2021-11-07 02:12:36,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 02:12:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 750 transitions. [2021-11-07 02:12:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 02:12:36,342 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:36,342 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:12:36,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:12:36,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:12:36,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:12:36,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:36,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1286691189, now seen corresponding path program 1 times [2021-11-07 02:12:36,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:36,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233251260] [2021-11-07 02:12:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:36,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:36,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:36,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:12:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:12:41,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:12:41,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:12:41,849 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 02:12:41,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:12:42,108 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 02:12:42,109 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:12:42,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233251260] [2021-11-07 02:12:42,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233251260] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:12:42,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:12:42,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:12:42,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775124303] [2021-11-07 02:12:42,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:12:42,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:12:42,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:12:42,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:12:42,114 INFO L87 Difference]: Start difference. First operand 596 states and 750 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 02:12:42,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:12:42,200 INFO L93 Difference]: Finished difference Result 1179 states and 1485 transitions. [2021-11-07 02:12:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:12:42,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2021-11-07 02:12:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:12:42,206 INFO L225 Difference]: With dead ends: 1179 [2021-11-07 02:12:42,206 INFO L226 Difference]: Without dead ends: 597 [2021-11-07 02:12:42,208 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:12:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-11-07 02:12:42,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2021-11-07 02:12:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 574 states have (on average 1.3083623693379791) internal successors, (751), 596 states have internal predecessors, (751), 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 02:12:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 751 transitions. [2021-11-07 02:12:42,284 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 751 transitions. Word has length 53 [2021-11-07 02:12:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:12:42,285 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 751 transitions. [2021-11-07 02:12:42,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 02:12:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 751 transitions. [2021-11-07 02:12:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 02:12:42,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:42,291 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:12:42,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:12:42,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:12:42,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:12:42,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1069114061, now seen corresponding path program 1 times [2021-11-07 02:12:42,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:42,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153441510] [2021-11-07 02:12:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:42,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:42,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:42,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:42,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:12:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:12:47,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:12:47,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:12:47,605 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 02:12:47,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:12:47,914 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 02:12:47,914 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:12:47,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153441510] [2021-11-07 02:12:47,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153441510] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:12:47,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:12:47,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:12:47,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247968326] [2021-11-07 02:12:47,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:12:47,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:12:47,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:12:47,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:12:47,918 INFO L87 Difference]: Start difference. First operand 597 states and 751 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 02:12:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:12:50,673 INFO L93 Difference]: Finished difference Result 1162 states and 1462 transitions. [2021-11-07 02:12:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:12:50,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2021-11-07 02:12:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:12:50,679 INFO L225 Difference]: With dead ends: 1162 [2021-11-07 02:12:50,680 INFO L226 Difference]: Without dead ends: 597 [2021-11-07 02:12:50,681 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 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 02:12:50,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-11-07 02:12:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2021-11-07 02:12:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 574 states have (on average 1.3013937282229966) internal successors, (747), 596 states have internal predecessors, (747), 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 02:12:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 747 transitions. [2021-11-07 02:12:50,717 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 747 transitions. Word has length 53 [2021-11-07 02:12:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:12:50,717 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 747 transitions. [2021-11-07 02:12:50,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 02:12:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 747 transitions. [2021-11-07 02:12:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 02:12:50,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:50,722 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, 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 02:12:50,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:12:50,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:12:50,936 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:12:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1075379847, now seen corresponding path program 1 times [2021-11-07 02:12:50,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:50,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571595624] [2021-11-07 02:12:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:50,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:50,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:50,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:12:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:12:56,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 02:12:56,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:12:57,552 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 02:12:57,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:00,390 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:13:00,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 40 treesize of output 43 [2021-11-07 02:13:00,442 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-07 02:13:00,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 34 [2021-11-07 02:13:00,701 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 02:13:00,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:00,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571595624] [2021-11-07 02:13:00,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571595624] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:00,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:00,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 12 [2021-11-07 02:13:00,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332233813] [2021-11-07 02:13:00,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 02:13:00,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 02:13:00,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:13:00,708 INFO L87 Difference]: Start difference. First operand 597 states and 747 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 02:13:44,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:44,004 INFO L93 Difference]: Finished difference Result 1847 states and 2327 transitions. [2021-11-07 02:13:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 02:13:44,005 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 77 [2021-11-07 02:13:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:44,014 INFO L225 Difference]: With dead ends: 1847 [2021-11-07 02:13:44,014 INFO L226 Difference]: Without dead ends: 1280 [2021-11-07 02:13:44,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=192, Invalid=408, Unknown=0, NotChecked=0, Total=600 [2021-11-07 02:13:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2021-11-07 02:13:44,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1106. [2021-11-07 02:13:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1083 states have (on average 1.3213296398891967) internal successors, (1431), 1105 states have internal predecessors, (1431), 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 02:13:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1431 transitions. [2021-11-07 02:13:44,090 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1431 transitions. Word has length 77 [2021-11-07 02:13:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:44,091 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1431 transitions. [2021-11-07 02:13:44,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 02:13:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1431 transitions. [2021-11-07 02:13:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 02:13:44,096 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:44,096 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, 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 02:13:44,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:44,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:44,312 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:13:44,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:44,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1795012927, now seen corresponding path program 1 times [2021-11-07 02:13:44,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:44,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839791274] [2021-11-07 02:13:44,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:44,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:44,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:44,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:44,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:13:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:49,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1793 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 02:13:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:50,448 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 02:13:50,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:50,970 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 02:13:50,971 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:50,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839791274] [2021-11-07 02:13:50,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839791274] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:50,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:50,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-07 02:13:50,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649177952] [2021-11-07 02:13:50,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:13:50,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:50,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:13:50,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:13:50,974 INFO L87 Difference]: Start difference. First operand 1106 states and 1431 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 02:13:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:52,062 INFO L93 Difference]: Finished difference Result 2670 states and 3457 transitions. [2021-11-07 02:13:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:13:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 79 [2021-11-07 02:13:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:52,075 INFO L225 Difference]: With dead ends: 2670 [2021-11-07 02:13:52,075 INFO L226 Difference]: Without dead ends: 1600 [2021-11-07 02:13:52,078 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:13:52,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2021-11-07 02:13:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1106. [2021-11-07 02:13:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1083 states have (on average 1.3185595567867037) internal successors, (1428), 1105 states have internal predecessors, (1428), 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 02:13:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1428 transitions. [2021-11-07 02:13:52,148 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1428 transitions. Word has length 79 [2021-11-07 02:13:52,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:52,149 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1428 transitions. [2021-11-07 02:13:52,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 02:13:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1428 transitions. [2021-11-07 02:13:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 02:13:52,161 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:52,161 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, 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 02:13:52,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:52,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:52,388 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:13:52,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:52,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1229968998, now seen corresponding path program 1 times [2021-11-07 02:13:52,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:52,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110933260] [2021-11-07 02:13:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:52,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:52,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:52,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:13:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:58,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 02:13:58,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:58,580 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 02:13:58,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:59,041 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 02:13:59,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:59,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110933260] [2021-11-07 02:13:59,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110933260] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:59,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:59,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-07 02:13:59,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060868534] [2021-11-07 02:13:59,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:13:59,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:59,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:13:59,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:13:59,044 INFO L87 Difference]: Start difference. First operand 1106 states and 1428 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 02:13:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:59,896 INFO L93 Difference]: Finished difference Result 2614 states and 3384 transitions. [2021-11-07 02:13:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 02:13:59,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 82 [2021-11-07 02:13:59,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:59,912 INFO L225 Difference]: With dead ends: 2614 [2021-11-07 02:13:59,912 INFO L226 Difference]: Without dead ends: 1623 [2021-11-07 02:13:59,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:13:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2021-11-07 02:13:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1106. [2021-11-07 02:13:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1083 states have (on average 1.316712834718375) internal successors, (1426), 1105 states have internal predecessors, (1426), 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 02:14:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1426 transitions. [2021-11-07 02:14:00,001 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1426 transitions. Word has length 82 [2021-11-07 02:14:00,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:14:00,007 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1426 transitions. [2021-11-07 02:14:00,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 02:14:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1426 transitions. [2021-11-07 02:14:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 02:14:00,010 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:14:00,010 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, 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 02:14:00,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:14:00,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:14:00,236 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:14:00,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:14:00,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2043929944, now seen corresponding path program 1 times [2021-11-07 02:14:00,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:14:00,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145385112] [2021-11-07 02:14:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:14:00,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:14:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:14:00,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:14:00,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:14:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:14:06,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:14:06,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:14:06,742 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 02:14:06,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:14:07,274 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 02:14:07,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:14:07,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145385112] [2021-11-07 02:14:07,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145385112] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:14:07,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:14:07,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 02:14:07,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380419911] [2021-11-07 02:14:07,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:14:07,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:14:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:14:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:14:07,278 INFO L87 Difference]: Start difference. First operand 1106 states and 1426 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 02:14:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:14:10,564 INFO L93 Difference]: Finished difference Result 2226 states and 2884 transitions. [2021-11-07 02:14:10,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:14:10,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2021-11-07 02:14:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:14:10,574 INFO L225 Difference]: With dead ends: 2226 [2021-11-07 02:14:10,574 INFO L226 Difference]: Without dead ends: 1277 [2021-11-07 02:14:10,577 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:14:10,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2021-11-07 02:14:10,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1106. [2021-11-07 02:14:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1083 states have (on average 1.3074792243767313) internal successors, (1416), 1105 states have internal predecessors, (1416), 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 02:14:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1416 transitions. [2021-11-07 02:14:10,668 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1416 transitions. Word has length 82 [2021-11-07 02:14:10,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:14:10,669 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1416 transitions. [2021-11-07 02:14:10,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 02:14:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1416 transitions. [2021-11-07 02:14:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 02:14:10,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:14:10,671 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, 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, 1, 1, 1, 1] [2021-11-07 02:14:10,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:14:10,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:14:10,896 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:14:10,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:14:10,896 INFO L85 PathProgramCache]: Analyzing trace with hash -545744654, now seen corresponding path program 1 times [2021-11-07 02:14:10,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:14:10,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734598594] [2021-11-07 02:14:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:14:10,903 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:14:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:14:10,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:14:10,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:14:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:14:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:14:17,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:14:17,644 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 02:14:17,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:14:17,869 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 02:14:17,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:14:17,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734598594] [2021-11-07 02:14:17,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734598594] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:14:17,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:14:17,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:14:17,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449320935] [2021-11-07 02:14:17,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:14:17,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:14:17,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:14:17,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:14:17,871 INFO L87 Difference]: Start difference. First operand 1106 states and 1416 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 02:14:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:14:20,286 INFO L93 Difference]: Finished difference Result 2317 states and 2992 transitions. [2021-11-07 02:14:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:14:20,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 98 [2021-11-07 02:14:20,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:14:20,297 INFO L225 Difference]: With dead ends: 2317 [2021-11-07 02:14:20,298 INFO L226 Difference]: Without dead ends: 1287 [2021-11-07 02:14:20,300 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 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 02:14:20,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2021-11-07 02:14:20,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1152. [2021-11-07 02:14:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1129 states have (on average 1.2763507528786537) internal successors, (1441), 1151 states have internal predecessors, (1441), 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 02:14:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1441 transitions. [2021-11-07 02:14:20,390 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1441 transitions. Word has length 98 [2021-11-07 02:14:20,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:14:20,391 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 1441 transitions. [2021-11-07 02:14:20,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 02:14:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1441 transitions. [2021-11-07 02:14:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 02:14:20,393 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:14:20,394 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, 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, 1, 1, 1, 1] [2021-11-07 02:14:20,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 02:14:20,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:14:20,611 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-07 02:14:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:14:20,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1143199088, now seen corresponding path program 1 times [2021-11-07 02:14:20,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:14:20,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462499628] [2021-11-07 02:14:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:14:20,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:14:20,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:14:20,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:14:20,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbab12ef-1558-4650-ad32-51e93ae02959/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:18:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:54,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-07 02:18:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:54,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 02:18:54,690 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 02:18:54,963 INFO L354 Elim1Store]: treesize reduction 58, result has 26.6 percent of original size [2021-11-07 02:18:54,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 48 [2021-11-07 02:18:55,508 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-07 02:18:55,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 92 treesize of output 1 [2021-11-07 02:18:57,399 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-11-07 02:18:57,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 64 [2021-11-07 02:19:00,019 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-07 02:19:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 97 [2021-11-07 02:19:05,264 INFO L354 Elim1Store]: treesize reduction 151, result has 37.1 percent of original size [2021-11-07 02:19:05,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 109 treesize of output 183 [2021-11-07 02:19:15,601 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-11-07 02:19:15,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 97 [2021-11-07 02:19:16,959 INFO L354 Elim1Store]: treesize reduction 1610, result has 0.6 percent of original size [2021-11-07 02:19:16,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 220 treesize of output 131 [2021-11-07 02:19:17,237 INFO L354 Elim1Store]: treesize reduction 1610, result has 0.6 percent of original size [2021-11-07 02:19:17,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 128 treesize of output 39 [2021-11-07 02:19:17,606 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 43 treesize of output 35 [2021-11-07 02:19:17,611 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 35 treesize of output 27 [2021-11-07 02:19:18,122 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 02:19:18,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:18,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:18,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 491 [2021-11-07 02:19:18,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:18,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 775 [2021-11-07 02:19:35,563 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|)))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse7))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse7)))))) is different from false [2021-11-07 02:19:38,329 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.offset|))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7) (_ bv0 64))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|)))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7)))))) is different from false [2021-11-07 02:19:42,902 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.offset|))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7) (_ bv0 64))) (not (= (_ bv0 1) (bvneg (bvneg (select (store (store |c_#valid| |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15|)))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7)))))) is different from false [2021-11-07 02:19:51,477 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (|v_ULTIMATE.start_bounded_malloc_#res.base_13| (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.offset|)) (.cse8 (store |c_#valid| |v_ULTIMATE.start_bounded_malloc_#res.base_13| (_ bv1 1)))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7) (_ bv0 64))) (not (bvult |v_ULTIMATE.start_bounded_malloc_#res.base_13| |c_#StackHeapBarrier|)) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7))) (not (= (_ bv0 1) (bvneg (bvneg (select (store (store .cse8 |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|))))) (not (= (_ bv0 1) (bvneg (select .cse8 |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15|))))))) is different from false [2021-11-07 02:20:23,604 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (|v_ULTIMATE.start_bounded_malloc_#res.base_13| (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.offset|)) (.cse8 (store (store |c_#valid| |c_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base| (_ bv0 1)) |v_ULTIMATE.start_bounded_malloc_#res.base_13| (_ bv1 1)))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7) (_ bv0 64))) (not (bvult |v_ULTIMATE.start_bounded_malloc_#res.base_13| |c_#StackHeapBarrier|)) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_push_back_harness_~#list~0.base|) .cse7))) (not (= (_ bv0 1) (bvneg (bvneg (select .cse8 |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15|))))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store (store .cse8 |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old~0.base_15| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_push_back_harness_~#old_byte~0.base_14| (_ bv1 1)) |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_187|)))))))))) is different from false [2021-11-07 02:20:56,127 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:20:56,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2014838867 treesize of output 2013266012