./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:05:59,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:05:59,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:05:59,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:05:59,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:05:59,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:05:59,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:05:59,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:05:59,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:05:59,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:05:59,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:05:59,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:05:59,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:05:59,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:05:59,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:05:59,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:05:59,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:05:59,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:05:59,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:05:59,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:05:59,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:05:59,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:05:59,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:05:59,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:05:59,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:05:59,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:05:59,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:05:59,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:05:59,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:05:59,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:05:59,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:05:59,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:05:59,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:05:59,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:05:59,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:05:59,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:05:59,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:05:59,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:05:59,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:05:59,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:05:59,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:05:59,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:05:59,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:05:59,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:05:59,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:05:59,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:05:59,911 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:05:59,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:05:59,912 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:05:59,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:05:59,912 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:05:59,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:05:59,914 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:05:59,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:05:59,915 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:05:59,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:05:59,915 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:05:59,916 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:05:59,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:05:59,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:05:59,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:05:59,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:05:59,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:05:59,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:05:59,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:05:59,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:05:59,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:05:59,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:05:59,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:05:59,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:05:59,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:05:59,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:05:59,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:05:59,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:05:59,922 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:05:59,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:05:59,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:05:59,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:05:59,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:05:59,923 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_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2021-11-12 23:06:00,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:06:00,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:06:00,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:06:00,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:06:00,295 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:06:00,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-12 23:06:00,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/760f020de/2ad451bf1e88418d9af21bad96c991f2/FLAG321a14be6 [2021-11-12 23:06:01,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:06:01,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-12 23:06:01,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/760f020de/2ad451bf1e88418d9af21bad96c991f2/FLAG321a14be6 [2021-11-12 23:06:01,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/760f020de/2ad451bf1e88418d9af21bad96c991f2 [2021-11-12 23:06:01,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:06:01,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:06:01,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:01,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:06:01,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:06:01,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:01" (1/1) ... [2021-11-12 23:06:01,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342747a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:01, skipping insertion in model container [2021-11-12 23:06:01,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:01" (1/1) ... [2021-11-12 23:06:01,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:06:02,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:02,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-12 23:06:02,537 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-12 23:06:02,573 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:06:02,580 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:06:03,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,799 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,821 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,824 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:03,825 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:04,403 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:06:04,404 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:06:04,406 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:06:04,408 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:06:04,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:06:04,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:06:04,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:06:04,413 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:06:04,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:06:04,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:06:04,658 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:06:04,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:04,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:04,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:04,937 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) [2021-11-12 23:06:04,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@669acbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:04, skipping insertion in model container [2021-11-12 23:06:04,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:04,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:06:04,944 INFO L158 Benchmark]: Toolchain (without parser) took 3024.17ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 58.8MB in the beginning and 60.6MB in the end (delta: -1.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-12 23:06:04,944 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:06:04,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3019.06ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 58.5MB in the beginning and 60.6MB in the end (delta: -2.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-12 23:06:04,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3019.06ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 58.5MB in the beginning and 60.6MB in the end (delta: -2.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:06:07,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:06:07,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:06:07,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:06:07,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:06:07,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:06:07,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:06:07,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:06:07,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:06:07,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:06:07,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:06:07,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:06:07,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:06:07,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:06:07,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:06:07,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:06:07,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:06:07,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:06:07,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:06:07,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:06:07,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:06:07,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:06:07,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:06:07,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:06:07,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:06:07,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:06:07,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:06:07,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:06:07,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:06:07,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:06:07,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:06:07,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:06:07,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:06:07,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:06:07,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:06:07,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:06:07,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:06:07,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:06:07,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:06:07,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:06:07,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:06:07,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:06:07,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:06:07,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:06:07,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:06:07,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:06:07,906 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:06:07,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:06:07,907 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:06:07,907 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:06:07,907 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:06:07,907 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:06:07,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:06:07,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:06:07,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:06:07,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:06:07,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:06:07,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:06:07,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:06:07,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:06:07,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:06:07,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:06:07,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:06:07,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:06:07,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:06:07,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:06:07,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:07,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:06:07,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:06:07,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:06:07,915 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:06:07,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:06:07,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:06:07,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:06:07,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:06:07,916 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_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2021-11-12 23:06:08,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:06:08,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:06:08,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:06:08,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:06:08,441 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:06:08,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-12 23:06:08,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/413fa305a/6ef53499d4a74a328f9cf313c082c5e8/FLAG6a6157776 [2021-11-12 23:06:09,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:06:09,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-12 23:06:09,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/413fa305a/6ef53499d4a74a328f9cf313c082c5e8/FLAG6a6157776 [2021-11-12 23:06:10,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/data/413fa305a/6ef53499d4a74a328f9cf313c082c5e8 [2021-11-12 23:06:10,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:06:10,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:06:10,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:10,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:06:10,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:06:10,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:10" (1/1) ... [2021-11-12 23:06:10,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bd3a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:10, skipping insertion in model container [2021-11-12 23:06:10,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:10" (1/1) ... [2021-11-12 23:06:10,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:06:10,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:10,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-12 23:06:10,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-12 23:06:10,743 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:06:10,753 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:06:12,094 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,095 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,096 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,098 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,115 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,116 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:12,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:06:12,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:06:12,657 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:06:12,659 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:06:12,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:06:12,666 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:06:12,667 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:06:12,668 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:06:12,669 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:06:12,670 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:06:12,973 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:06:13,180 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:13,378 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:06:13,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:13,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-12 23:06:13,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-12 23:06:13,479 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:06:13,483 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:06:13,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,574 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,575 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,577 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,577 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:06:13,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:06:13,654 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:06:13,655 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:06:13,657 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:06:13,658 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:06:13,659 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:06:13,663 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:06:13,664 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:06:13,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:06:13,718 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:06:13,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:13,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:13,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:06:13,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-12 23:06:13,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-12 23:06:13,985 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:06:13,986 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:06:14,022 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,022 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,023 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,023 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,024 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,032 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:06:14,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:06:14,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:06:14,131 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:06:14,132 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:06:14,133 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:06:14,133 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:06:14,134 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:06:14,134 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:06:14,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:06:14,158 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:06:14,224 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,224 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:06:14,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:14,773 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:06:14,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14 WrapperNode [2021-11-12 23:06:14,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:14,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:06:14,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:06:14,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:06:14,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:14,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:06:15,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:06:15,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:06:15,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:06:15,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:06:15,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:06:15,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:06:15,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:06:15,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (1/1) ... [2021-11-12 23:06:15,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:06:15,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:06:15,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:06:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-12 23:06:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-12 23:06:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:06:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 23:06:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 23:06:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:06:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:06:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:06:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:06:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:06:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:06:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:06:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:06:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:06:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:06:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:06:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:06:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-12 23:06:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-12 23:06:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:06:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:06:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:06:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:06:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:06:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:06:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:06:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:06:34,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:06:34,568 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:06:34,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:34 BoogieIcfgContainer [2021-11-12 23:06:34,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:06:34,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:06:34,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:06:34,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:06:34,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:06:10" (1/3) ... [2021-11-12 23:06:34,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1313c15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:34, skipping insertion in model container [2021-11-12 23:06:34,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:14" (2/3) ... [2021-11-12 23:06:34,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1313c15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:34, skipping insertion in model container [2021-11-12 23:06:34,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:34" (3/3) ... [2021-11-12 23:06:34,594 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2021-11-12 23:06:34,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:06:34,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:06:34,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:06:34,690 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 [2021-11-12 23:06:34,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:06:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-12 23:06:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-12 23:06:34,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:34,742 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-12 23:06:34,743 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:06:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1865164224, now seen corresponding path program 1 times [2021-11-12 23:06:34,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:34,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620879639] [2021-11-12 23:06:34,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:34,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:34,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:34,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:06:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:40,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:06:40,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:06:40,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-12 23:06:40,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:40,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620879639] [2021-11-12 23:06:40,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620879639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:40,611 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:40,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:06:40,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42675214] [2021-11-12 23:06:40,614 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:40,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:06:40,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:40,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:06:40,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:06:40,663 INFO L87 Difference]: Start difference. First operand has 90 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:06:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:40,736 INFO L93 Difference]: Finished difference Result 170 states and 243 transitions. [2021-11-12 23:06:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:06:40,739 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2021-11-12 23:06:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:40,754 INFO L225 Difference]: With dead ends: 170 [2021-11-12 23:06:40,755 INFO L226 Difference]: Without dead ends: 80 [2021-11-12 23:06:40,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:06:40,768 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:40,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 6.24ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:06:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-12 23:06:40,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-12 23:06:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 54 states have internal predecessors, (64), 22 states have call successors, (22), 6 states have call predecessors, (22), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-12 23:06:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 105 transitions. [2021-11-12 23:06:40,848 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 105 transitions. Word has length 47 [2021-11-12 23:06:40,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:40,850 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 105 transitions. [2021-11-12 23:06:40,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:06:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2021-11-12 23:06:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-12 23:06:40,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:40,856 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-12 23:06:40,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:41,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:41,057 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:06:41,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash 866728124, now seen corresponding path program 1 times [2021-11-12 23:06:41,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:41,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296944936] [2021-11-12 23:06:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:41,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:41,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:41,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:06:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:46,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:46,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-12 23:06:46,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 23:06:47,075 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:47,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296944936] [2021-11-12 23:06:47,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296944936] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:06:47,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:06:47,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-12 23:06:47,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199419039] [2021-11-12 23:06:47,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:47,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:06:47,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:47,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:06:47,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:06:47,079 INFO L87 Difference]: Start difference. First operand 80 states and 105 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-12 23:06:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:47,313 INFO L93 Difference]: Finished difference Result 146 states and 197 transitions. [2021-11-12 23:06:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:06:47,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2021-11-12 23:06:47,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:47,320 INFO L225 Difference]: With dead ends: 146 [2021-11-12 23:06:47,320 INFO L226 Difference]: Without dead ends: 83 [2021-11-12 23:06:47,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:06:47,323 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 202.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:47,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 234 Invalid, 31 Unknown, 0 Unchecked, 4.65ms Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 202.51ms Time] [2021-11-12 23:06:47,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-12 23:06:47,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-12 23:06:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 57 states have internal predecessors, (66), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (23), 19 states have call predecessors, (23), 19 states have call successors, (23) [2021-11-12 23:06:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 111 transitions. [2021-11-12 23:06:47,341 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 111 transitions. Word has length 47 [2021-11-12 23:06:47,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:47,341 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 111 transitions. [2021-11-12 23:06:47,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-12 23:06:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2021-11-12 23:06:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-12 23:06:47,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:47,345 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:06:47,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:47,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:47,561 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:06:47,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:47,561 INFO L85 PathProgramCache]: Analyzing trace with hash -912055711, now seen corresponding path program 1 times [2021-11-12 23:06:47,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:47,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542805231] [2021-11-12 23:06:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:47,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:47,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:47,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:06:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:52,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:06:52,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:06:53,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 23:06:53,530 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:53,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542805231] [2021-11-12 23:06:53,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542805231] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:06:53,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:06:53,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2021-11-12 23:06:53,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891168537] [2021-11-12 23:06:53,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:53,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:06:53,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:53,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:06:53,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:06:53,533 INFO L87 Difference]: Start difference. First operand 83 states and 111 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:06:55,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:57,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:57,162 INFO L93 Difference]: Finished difference Result 141 states and 189 transitions. [2021-11-12 23:06:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:57,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2021-11-12 23:06:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:57,168 INFO L225 Difference]: With dead ends: 141 [2021-11-12 23:06:57,168 INFO L226 Difference]: Without dead ends: 83 [2021-11-12 23:06:57,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:06:57,171 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 59 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3498.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.47ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3581.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:57,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 301 Invalid, 67 Unknown, 0 Unchecked, 4.47ms Time], IncrementalHoareTripleChecker [31 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 3581.49ms Time] [2021-11-12 23:06:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-12 23:06:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-12 23:06:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 57 states have internal predecessors, (66), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (21), 19 states have call predecessors, (21), 19 states have call successors, (21) [2021-11-12 23:06:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 109 transitions. [2021-11-12 23:06:57,188 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 109 transitions. Word has length 49 [2021-11-12 23:06:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:57,188 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 109 transitions. [2021-11-12 23:06:57,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:06:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2021-11-12 23:06:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-12 23:06:57,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:57,191 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:06:57,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:57,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:57,407 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:06:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:57,407 INFO L85 PathProgramCache]: Analyzing trace with hash -633300053, now seen corresponding path program 1 times [2021-11-12 23:06:57,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:57,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152230560] [2021-11-12 23:06:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:57,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:57,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:57,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:57,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:07:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:02,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:07:02,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-12 23:07:02,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-12 23:07:03,181 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:03,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152230560] [2021-11-12 23:07:03,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152230560] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:03,182 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:03,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-11-12 23:07:03,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238612167] [2021-11-12 23:07:03,182 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:03,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-12 23:07:03,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:03,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-12 23:07:03,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:07:03,184 INFO L87 Difference]: Start difference. First operand 83 states and 109 transitions. Second operand has 12 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-12 23:07:03,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:03,567 INFO L93 Difference]: Finished difference Result 95 states and 125 transitions. [2021-11-12 23:07:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:07:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 53 [2021-11-12 23:07:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:03,571 INFO L225 Difference]: With dead ends: 95 [2021-11-12 23:07:03,571 INFO L226 Difference]: Without dead ends: 93 [2021-11-12 23:07:03,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:07:03,573 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 232.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.20ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 275.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:03,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 1003 Invalid, 81 Unknown, 0 Unchecked, 8.20ms Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 275.52ms Time] [2021-11-12 23:07:03,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-12 23:07:03,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2021-11-12 23:07:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.2) internal successors, (72), 64 states have internal predecessors, (72), 23 states have call successors, (23), 7 states have call predecessors, (23), 8 states have return successors, (27), 20 states have call predecessors, (27), 20 states have call successors, (27) [2021-11-12 23:07:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-11-12 23:07:03,609 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 53 [2021-11-12 23:07:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:03,610 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-11-12 23:07:03,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-12 23:07:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2021-11-12 23:07:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-12 23:07:03,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:03,618 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-11-12 23:07:03,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:07:03,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:03,843 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:07:03,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:03,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1847539699, now seen corresponding path program 1 times [2021-11-12 23:07:03,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:03,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660304459] [2021-11-12 23:07:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:03,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:03,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:03,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:03,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa5bdd7-129b-4767-989d-8f294ffc91a0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:07:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:31,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-12 23:07:31,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:31,308 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 [2021-11-12 23:07:33,199 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-12 23:07:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2021-11-12 23:07:33,472 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-12 23:07:33,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-11-12 23:07:34,784 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:07:34,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-12 23:07:34,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:07:34,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-12 23:07:34,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:37,939 INFO L354 Elim1Store]: treesize reduction 6893, result has 2.0 percent of original size [2021-11-12 23:07:37,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 44 case distinctions, treesize of input 127 treesize of output 172 [2021-11-12 23:07:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:07:48,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:50,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:07:50,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-12 23:08:04,463 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (_ BitVec 64))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|))) (forall ((v_DerPreprocessor_2 (_ BitVec 8)) (|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv8 64)) v_DerPreprocessor_2) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv1 64)) ((_ extract 15 8) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv2 64)) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv4 64)) ((_ extract 39 32) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv6 64)) ((_ extract 55 48) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv7 64)) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset| (_ bv7 64))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset| (_ bv6 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset| (_ bv5 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset| (_ bv4 64)))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset|))) (select .cse0 (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset| (_ bv1 64)))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_advance_~cursor#1.offset|))))))) is different from false [2021-11-12 23:08:06,786 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8)) (|v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#rv~14#1.base_16| (_ BitVec 64)) (|v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (_ BitVec 64)) (|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#rv~14#1.base_16| (_ bv1 1)) |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|)))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv8 64)) v_DerPreprocessor_2) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv1 64)) ((_ extract 15 8) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv2 64)) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv4 64)) ((_ extract 39 32) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv6 64)) ((_ extract 55 48) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv7 64)) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|)) (select .cse0 (bvadd (_ bv6 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset| (_ bv5 64)))) (select .cse0 (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|)))))) is different from false [2021-11-12 23:08:09,057 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8)) (|v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#old_byte_from_cursor~0#1.base_11| (_ BitVec 64)) (|v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#old~0#1.base_15| (_ BitVec 64)) (|v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#rv~14#1.base_16| (_ BitVec 64)) (|v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (_ BitVec 64)) (|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (select (store (store (store |c_#valid| |v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#old~0#1.base_15| (_ bv1 1)) |v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#old_byte_from_cursor~0#1.base_11| (_ bv1 1)) |v_ULTIMATE.start_aws_byte_cursor_advance_harness_~#rv~14#1.base_16| (_ bv1 1)) |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|)))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.base_15|) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv8 64)) v_DerPreprocessor_2) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv1 64)) ((_ extract 15 8) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv2 64)) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv4 64)) ((_ extract 39 32) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv6 64)) ((_ extract 55 48) (_ bv0 64))) (bvadd |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6#1.offset| (_ bv7 64)) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|)) (select .cse0 (bvadd (_ bv6 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset| (_ bv5 64)))) (select .cse0 (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2#1.offset|)))))) is different from false