./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs --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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:50:18,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:50:18,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:50:18,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:50:18,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:50:18,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:50:18,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:50:18,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:50:18,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:50:18,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:50:18,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:50:18,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:50:18,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:50:18,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:50:18,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:50:18,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:50:18,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:50:18,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:50:18,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:50:18,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:50:18,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:50:18,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:50:18,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:50:18,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:50:18,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:50:18,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:50:18,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:50:18,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:50:18,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:50:18,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:50:18,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:50:18,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:50:18,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:50:18,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:50:18,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:50:18,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:50:18,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:50:18,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:50:18,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:50:18,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:50:18,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:50:18,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:50:18,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:50:18,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:50:18,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:50:18,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:50:18,846 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:50:18,846 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:50:18,846 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:50:18,847 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:50:18,853 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:50:18,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:50:18,855 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:50:18,855 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:50:18,855 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:50:18,856 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:50:18,856 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:50:18,856 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:50:18,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:50:18,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:50:18,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:50:18,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:50:18,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:50:18,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:50:18,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:50:18,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:50:18,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:50:18,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:50:18,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:50:18,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:50:18,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:50:18,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:50:18,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:50:18,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:50:18,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:50:18,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:50:18,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:50:18,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:50:18,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:50:18,865 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_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2021-11-19 14:50:19,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:50:19,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:50:19,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:50:19,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:50:19,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:50:19,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-19 14:50:19,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/cd3e112fc/037935719a904a45b8ffd9fed3d4522e/FLAGb62f514cd [2021-11-19 14:50:19,936 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:50:19,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-19 14:50:19,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/cd3e112fc/037935719a904a45b8ffd9fed3d4522e/FLAGb62f514cd [2021-11-19 14:50:20,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/cd3e112fc/037935719a904a45b8ffd9fed3d4522e [2021-11-19 14:50:20,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:50:20,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:50:20,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:50:20,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:50:20,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:50:20,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:20" (1/1) ... [2021-11-19 14:50:20,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1273d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:20, skipping insertion in model container [2021-11-19 14:50:20,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:20" (1/1) ... [2021-11-19 14:50:20,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:50:20,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:50:20,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-19 14:50:20,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-19 14:50:20,561 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:50:20,568 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:50:21,412 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:50:21,493 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,494 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,494 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,495 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,496 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,509 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,510 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,512 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,512 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,514 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,515 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,516 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,516 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:21,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:50:21,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:50:21,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:50:21,886 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:50:21,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:50:21,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:50:21,890 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:50:21,890 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:50:21,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:50:21,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:50:22,041 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:22,048 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:22,109 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:50:22,139 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) [2021-11-19 14:50:22,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d1ba1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22, skipping insertion in model container [2021-11-19 14:50:22,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:50:22,140 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:50:22,142 INFO L158 Benchmark]: Toolchain (without parser) took 2041.18ms. Allocated memory is still 98.6MB. Free memory was 75.6MB in the beginning and 34.1MB in the end (delta: 41.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-19 14:50:22,143 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:50:22,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2038.37ms. Allocated memory is still 98.6MB. Free memory was 75.6MB in the beginning and 34.1MB in the end (delta: 41.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-19 14:50:22,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2038.37ms. Allocated memory is still 98.6MB. Free memory was 75.6MB in the beginning and 34.1MB in the end (delta: 41.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * 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_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs --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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:50:24,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:50:24,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:50:24,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:50:24,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:50:24,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:50:24,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:50:24,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:50:24,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:50:24,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:50:24,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:50:24,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:50:24,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:50:24,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:50:24,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:50:24,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:50:24,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:50:24,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:50:24,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:50:24,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:50:24,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:50:24,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:50:24,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:50:24,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:50:24,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:50:24,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:50:24,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:50:24,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:50:24,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:50:24,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:50:24,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:50:24,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:50:24,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:50:24,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:50:24,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:50:24,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:50:24,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:50:24,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:50:24,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:50:24,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:50:24,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:50:24,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:50:24,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:50:24,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:50:24,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:50:24,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:50:24,576 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:50:24,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:50:24,576 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:50:24,576 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:50:24,577 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:50:24,577 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:50:24,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:50:24,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:50:24,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:50:24,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:50:24,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:50:24,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:50:24,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:50:24,581 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:50:24,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:50:24,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:50:24,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:50:24,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:50:24,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:50:24,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:50:24,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:50:24,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:50:24,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:50:24,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:50:24,583 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:50:24,583 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:50:24,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:50:24,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:50:24,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:50:24,584 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_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2021-11-19 14:50:24,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:50:24,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:50:24,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:50:24,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:50:24,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:50:24,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-19 14:50:25,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/f375e705a/66154a39405e4eb19abe9f5283efaa2d/FLAGef34efb6c [2021-11-19 14:50:26,038 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:50:26,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-19 14:50:26,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/f375e705a/66154a39405e4eb19abe9f5283efaa2d/FLAGef34efb6c [2021-11-19 14:50:26,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/data/f375e705a/66154a39405e4eb19abe9f5283efaa2d [2021-11-19 14:50:26,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:50:26,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:50:26,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:50:26,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:50:26,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:50:26,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:26" (1/1) ... [2021-11-19 14:50:26,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366fe609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:26, skipping insertion in model container [2021-11-19 14:50:26,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:26" (1/1) ... [2021-11-19 14:50:26,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:50:26,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:50:27,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-19 14:50:27,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-19 14:50:27,036 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:50:27,043 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:50:27,864 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:50:27,941 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,942 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,943 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,943 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,945 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,959 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,960 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,962 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,963 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,965 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,966 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,967 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:27,967 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:50:28,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:50:28,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:50:28,385 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:50:28,386 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:50:28,387 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:50:28,388 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:50:28,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:50:28,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:50:28,390 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:50:28,580 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,588 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,649 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:50:28,690 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:50:28,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:50:28,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-19 14:50:28,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-19 14:50:28,733 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:50:28,733 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:50:28,786 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:50:28,806 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,817 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,820 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,821 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,823 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,829 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,832 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,833 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,833 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:50:28,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:50:28,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:50:28,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:50:28,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:50:28,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:50:28,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:50:28,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:50:28,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:50:28,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:50:28,942 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,949 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:28,986 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:50:29,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:50:29,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-19 14:50:29,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-19 14:50:29,046 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:50:29,048 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:50:29,110 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:50:29,128 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,128 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,129 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,129 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,130 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,137 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,138 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,139 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,139 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,140 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,141 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,141 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,142 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,175 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:50:29,176 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:50:29,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:50:29,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:50:29,178 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:50:29,179 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:50:29,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:50:29,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:50:29,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:50:29,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:50:29,224 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,229 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:50:29,254 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:50:29,654 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:50:29,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29 WrapperNode [2021-11-19 14:50:29,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:50:29,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:50:29,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:50:29,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:50:29,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,862 INFO L137 Inliner]: procedures = 713, calls = 1684, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 650 [2021-11-19 14:50:29,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:50:29,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:50:29,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:50:29,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:50:29,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:50:29,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:50:29,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:50:29,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:50:29,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (1/1) ... [2021-11-19 14:50:29,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:50:30,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:50:30,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:50:30,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:50:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:50:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-19 14:50:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-19 14:50:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-19 14:50:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-19 14:50:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:50:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:50:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:50:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:50:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:50:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 14:50:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 14:50:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:50:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:50:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:50:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:50:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:50:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-19 14:50:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-19 14:50:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:50:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:50:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 14:50:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 14:50:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:50:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-19 14:50:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-19 14:50:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:50:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 14:50:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 14:50:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-19 14:50:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-19 14:50:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-19 14:50:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-19 14:50:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:50:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:50:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-19 14:50:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-19 14:50:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:50:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 14:50:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:50:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:50:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:50:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:50:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 14:50:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 14:50:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 14:50:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 14:50:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-19 14:50:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-19 14:50:30,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:50:30,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:50:34,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:50:34,406 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:50:34,406 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:50:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:34 BoogieIcfgContainer [2021-11-19 14:50:34,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:50:34,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:50:34,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:50:34,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:50:34,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:50:26" (1/3) ... [2021-11-19 14:50:34,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c25d2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:50:34, skipping insertion in model container [2021-11-19 14:50:34,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:29" (2/3) ... [2021-11-19 14:50:34,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c25d2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:50:34, skipping insertion in model container [2021-11-19 14:50:34,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:34" (3/3) ... [2021-11-19 14:50:34,417 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2021-11-19 14:50:34,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:50:34,422 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:50:34,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:50:34,479 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 [2021-11-19 14:50:34,479 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:50:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-11-19 14:50:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 14:50:34,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:34,516 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:34,517 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1489749117, now seen corresponding path program 1 times [2021-11-19 14:50:34,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:34,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291574093] [2021-11-19 14:50:34,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:34,541 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:34,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:34,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:34,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:50:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:35,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:50:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-19 14:50:35,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 14:50:36,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:36,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291574093] [2021-11-19 14:50:36,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291574093] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:50:36,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:50:36,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:50:36,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9217987] [2021-11-19 14:50:36,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:36,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:50:36,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:36,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:50:36,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:50:36,078 INFO L87 Difference]: Start difference. First operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 14:50:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:36,139 INFO L93 Difference]: Finished difference Result 353 states and 504 transitions. [2021-11-19 14:50:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:50:36,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2021-11-19 14:50:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:36,156 INFO L225 Difference]: With dead ends: 353 [2021-11-19 14:50:36,156 INFO L226 Difference]: Without dead ends: 171 [2021-11-19 14:50:36,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:50:36,166 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:36,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:50:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-19 14:50:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2021-11-19 14:50:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-11-19 14:50:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 223 transitions. [2021-11-19 14:50:36,229 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 223 transitions. Word has length 124 [2021-11-19 14:50:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:36,230 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 223 transitions. [2021-11-19 14:50:36,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 14:50:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2021-11-19 14:50:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 14:50:36,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:36,236 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:36,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:50:36,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:36,437 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:36,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:36,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1640985525, now seen corresponding path program 1 times [2021-11-19 14:50:36,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:36,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993751894] [2021-11-19 14:50:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:36,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:36,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:50:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:37,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:50:37,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-19 14:50:37,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 14:50:38,121 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:38,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993751894] [2021-11-19 14:50:38,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993751894] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:50:38,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:50:38,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-19 14:50:38,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789254579] [2021-11-19 14:50:38,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:38,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:50:38,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:50:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:50:38,125 INFO L87 Difference]: Start difference. First operand 171 states and 223 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:50:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:38,559 INFO L93 Difference]: Finished difference Result 315 states and 417 transitions. [2021-11-19 14:50:38,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:50:38,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-11-19 14:50:38,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:38,569 INFO L225 Difference]: With dead ends: 315 [2021-11-19 14:50:38,569 INFO L226 Difference]: Without dead ends: 173 [2021-11-19 14:50:38,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:50:38,573 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 50 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:38,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 722 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:50:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-19 14:50:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-19 14:50:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2021-11-19 14:50:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 229 transitions. [2021-11-19 14:50:38,638 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 229 transitions. Word has length 124 [2021-11-19 14:50:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:38,641 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 229 transitions. [2021-11-19 14:50:38,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:50:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 229 transitions. [2021-11-19 14:50:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-19 14:50:38,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:38,649 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:38,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:38,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:38,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:38,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:38,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1623021021, now seen corresponding path program 1 times [2021-11-19 14:50:38,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:38,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808229992] [2021-11-19 14:50:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:38,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:38,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:38,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:38,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:50:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:39,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 14:50:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:50:40,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-19 14:50:41,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:41,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808229992] [2021-11-19 14:50:41,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808229992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:41,030 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:41,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-19 14:50:41,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233688508] [2021-11-19 14:50:41,030 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:41,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:50:41,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:50:41,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:50:41,033 INFO L87 Difference]: Start difference. First operand 173 states and 229 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 14:50:41,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:41,310 INFO L93 Difference]: Finished difference Result 345 states and 472 transitions. [2021-11-19 14:50:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:50:41,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 154 [2021-11-19 14:50:41,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:41,315 INFO L225 Difference]: With dead ends: 345 [2021-11-19 14:50:41,316 INFO L226 Difference]: Without dead ends: 232 [2021-11-19 14:50:41,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:50:41,318 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 30 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:41,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 1524 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:50:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-19 14:50:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2021-11-19 14:50:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 114 states have internal predecessors, (130), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (60), 55 states have call predecessors, (60), 54 states have call successors, (60) [2021-11-19 14:50:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2021-11-19 14:50:41,345 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 246 transitions. Word has length 154 [2021-11-19 14:50:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:41,346 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 246 transitions. [2021-11-19 14:50:41,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 14:50:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2021-11-19 14:50:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-19 14:50:41,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:41,350 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:41,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:41,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:41,575 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:41,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:41,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1795927269, now seen corresponding path program 1 times [2021-11-19 14:50:41,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:41,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128485726] [2021-11-19 14:50:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:41,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:41,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:41,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:41,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:50:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:42,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 14:50:42,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 14:50:43,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 14:50:43,731 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:43,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128485726] [2021-11-19 14:50:43,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128485726] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:50:43,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:50:43,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 10 [2021-11-19 14:50:43,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926243993] [2021-11-19 14:50:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:43,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:50:43,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:50:43,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:50:43,736 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:50:44,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:44,353 INFO L93 Difference]: Finished difference Result 300 states and 399 transitions. [2021-11-19 14:50:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:50:44,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2021-11-19 14:50:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:44,357 INFO L225 Difference]: With dead ends: 300 [2021-11-19 14:50:44,357 INFO L226 Difference]: Without dead ends: 173 [2021-11-19 14:50:44,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:50:44,360 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 7 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:44,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 1589 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:50:44,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-19 14:50:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-19 14:50:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.145631067961165) internal successors, (118), 105 states have internal predecessors, (118), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2021-11-19 14:50:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 227 transitions. [2021-11-19 14:50:44,380 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 227 transitions. Word has length 154 [2021-11-19 14:50:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:44,381 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 227 transitions. [2021-11-19 14:50:44,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:50:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 227 transitions. [2021-11-19 14:50:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-19 14:50:44,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:44,385 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:44,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 14:50:44,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:44,606 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1806717720, now seen corresponding path program 1 times [2021-11-19 14:50:44,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:44,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511198521] [2021-11-19 14:50:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:44,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:44,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:44,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:44,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:50:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:45,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:50:45,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-19 14:50:46,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:46,558 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-19 14:50:46,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:46,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511198521] [2021-11-19 14:50:46,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511198521] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:50:46,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:50:46,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-11-19 14:50:46,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531259499] [2021-11-19 14:50:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:46,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:50:46,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:46,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:50:46,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:50:46,562 INFO L87 Difference]: Start difference. First operand 173 states and 227 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:50:47,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:47,112 INFO L93 Difference]: Finished difference Result 283 states and 372 transitions. [2021-11-19 14:50:47,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:50:47,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 165 [2021-11-19 14:50:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:47,116 INFO L225 Difference]: With dead ends: 283 [2021-11-19 14:50:47,116 INFO L226 Difference]: Without dead ends: 173 [2021-11-19 14:50:47,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:50:47,118 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 66 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:47,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 868 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:50:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-19 14:50:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-19 14:50:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.145631067961165) internal successors, (118), 105 states have internal predecessors, (118), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2021-11-19 14:50:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 224 transitions. [2021-11-19 14:50:47,136 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 224 transitions. Word has length 165 [2021-11-19 14:50:47,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:47,136 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 224 transitions. [2021-11-19 14:50:47,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:50:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 224 transitions. [2021-11-19 14:50:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-19 14:50:47,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:47,140 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:47,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:47,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:47,363 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:47,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:47,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1308288628, now seen corresponding path program 2 times [2021-11-19 14:50:47,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:47,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13945530] [2021-11-19 14:50:47,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 14:50:47,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:47,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:47,368 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:47,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:50:56,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 14:50:56,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:50:56,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:50:56,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-19 14:50:57,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-19 14:50:57,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:57,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13945530] [2021-11-19 14:50:57,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13945530] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:57,972 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:57,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 9 [2021-11-19 14:50:57,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710174988] [2021-11-19 14:50:57,973 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:57,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:50:57,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:57,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:50:57,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:50:57,975 INFO L87 Difference]: Start difference. First operand 173 states and 224 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:50:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:58,637 INFO L93 Difference]: Finished difference Result 277 states and 359 transitions. [2021-11-19 14:50:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:50:58,639 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 180 [2021-11-19 14:50:58,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:58,640 INFO L225 Difference]: With dead ends: 277 [2021-11-19 14:50:58,640 INFO L226 Difference]: Without dead ends: 171 [2021-11-19 14:50:58,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:50:58,642 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 87 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:58,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 1038 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:50:58,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-19 14:50:58,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2021-11-19 14:50:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1372549019607843) internal successors, (116), 103 states have internal predecessors, (116), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-11-19 14:50:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 220 transitions. [2021-11-19 14:50:58,663 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 220 transitions. Word has length 180 [2021-11-19 14:50:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:58,665 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 220 transitions. [2021-11-19 14:50:58,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:50:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 220 transitions. [2021-11-19 14:50:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-19 14:50:58,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:58,670 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:58,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:58,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:58,886 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:58,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:58,887 INFO L85 PathProgramCache]: Analyzing trace with hash -32665988, now seen corresponding path program 1 times [2021-11-19 14:50:58,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:58,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619411584] [2021-11-19 14:50:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:58,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:58,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:58,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ac509-3a8b-42bb-afe8-3002baaae91d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:53:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:53:55,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-19 14:53:55,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:53:55,938 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 [2021-11-19 14:53:57,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:53:57,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 62 treesize of output 30 [2021-11-19 14:53:57,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2021-11-19 14:54:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:04,459 INFO L244 Elim1Store]: Index analysis took 313 ms [2021-11-19 14:54:04,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 179 [2021-11-19 14:54:04,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:54:04,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 110 treesize of output 46 [2021-11-19 14:54:04,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-11-19 14:54:54,635 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (let ((.cse7 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse7 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse7 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse7 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse7 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse7 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv9 64)))) (select .cse7 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |c_aws_array_list_is_valid_~#required_size~0.base|)))) (= ((_ extract 31 24) (_ bv0 64)) (select (select |c_old(#memory_int)| |c_aws_array_list_is_valid_~#required_size~0.base|) (_ bv3 64))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_85| (_ BitVec 64))) (let ((.cse0 (store |c_old(#valid)| |c_aws_array_list_is_valid_~#required_size~0.base| (_ bv1 1)))) (and (= (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_85| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (bvneg (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_85|)))))) (let ((.cse1 (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |c_aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (or (and (= c_aws_array_list_is_valid_~current_size_is_valid~0 (_ bv0 8)) (not .cse1)) (and .cse1 (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (let ((.cse4 (= (_ bv0 64) .cse2))) (or (and (not |c_aws_array_list_is_valid_#t~short131|) (not .cse4)) (and .cse4 |c_aws_array_list_is_valid_#t~short131|))) (not (= (_ bv0 64) (bvadd |c_#StackHeapBarrier| (_ bv1 64)))) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ BitVec 64))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (let ((.cse6 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (bvmul (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv21 64)))) (select .cse6 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv19 64)))) (select .cse6 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv17 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv31 64))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv29 64)))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv27 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv26 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv25 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv24 64)))))))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_array_list_is_valid_~#required_size~0.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| ((_ extract 7 0) .cse5)) (bvadd (_ bv1 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|) ((_ extract 15 8) .cse5)) (bvadd (_ bv2 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|) ((_ extract 23 16) .cse5)) (bvadd (_ bv3 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|) ((_ extract 31 24) .cse5)) (bvadd (_ bv4 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|) ((_ extract 39 32) .cse5)) (bvadd |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ bv5 64)) ((_ extract 47 40) .cse5)) (bvadd |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ bv6 64)) ((_ extract 55 48) .cse5)) (bvadd (_ bv7 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|) ((_ extract 63 56) .cse5)))))))) is different from false [2021-11-19 14:55:23,179 WARN L227 SmtUtils]: Spent 23.39s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:56:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,877 INFO L244 Elim1Store]: Index analysis took 333 ms [2021-11-19 14:56:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:41,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:51,213 WARN L227 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 952 DAG size of output: 139 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:56:51,215 INFO L354 Elim1Store]: treesize reduction 15492, result has 2.7 percent of original size [2021-11-19 14:56:51,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 40 case distinctions, treesize of input 1363 treesize of output 670 [2021-11-19 14:56:51,495 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-19 14:56:51,495 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 1388 treesize of output 1389 [2021-11-19 14:59:16,322 WARN L227 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 370 DAG size of output: 350 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:59:26,542 INFO L354 Elim1Store]: treesize reduction 120, result has 29.0 percent of original size [2021-11-19 14:59:26,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2297 treesize of output 2331