./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:17,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:17,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:17,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:17,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:17,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:17,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:17,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:17,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:17,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:17,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:17,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:17,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:17,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:17,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:17,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:17,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:17,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:17,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:17,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:17,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:17,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:17,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:17,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:17,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:17,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:17,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:17,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:17,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:17,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:17,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:17,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:17,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:17,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:17,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:17,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:17,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:17,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:17,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:17,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:17,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:59:17,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:17,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:17,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:17,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:17,904 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:17,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:17,904 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:17,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:59:17,912 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:17,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:17,914 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:59:17,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:59:17,914 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:17,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:59:17,915 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:59:17,915 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:59:17,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:17,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:59:17,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:17,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:17,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:17,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:17,918 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:17,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:17,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:17,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:17,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:17,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:17,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:17,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:17,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:17,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:17,923 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:59:17,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:59:17,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:17,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:17,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:17,925 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_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2021-11-19 13:59:18,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:18,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:18,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:18,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:18,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:18,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2021-11-19 13:59:18,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/2d399c8dd/f05afa370f37451280ac56b10b12ba30/FLAGd1592fc33 [2021-11-19 13:59:19,156 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:19,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2021-11-19 13:59:19,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/2d399c8dd/f05afa370f37451280ac56b10b12ba30/FLAGd1592fc33 [2021-11-19 13:59:19,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/2d399c8dd/f05afa370f37451280ac56b10b12ba30 [2021-11-19 13:59:19,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:19,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:19,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:19,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:19,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:19,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:19" (1/1) ... [2021-11-19 13:59:19,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6206d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:19, skipping insertion in model container [2021-11-19 13:59:19,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:19" (1/1) ... [2021-11-19 13:59:19,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:19,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:20,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2021-11-19 13:59:20,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2021-11-19 13:59:20,160 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:59:20,167 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:59:20,957 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:59:21,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,035 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,036 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,037 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,038 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,054 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,054 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,057 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,058 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,060 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,061 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,062 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,063 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,473 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:59:21,474 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:59:21,476 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:59:21,477 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:59:21,479 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:59:21,480 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:59:21,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:59:21,482 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:59:21,483 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:59:21,484 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:59:21,714 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,734 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:21,833 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:21,892 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:59:21,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75079aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:21, skipping insertion in model container [2021-11-19 13:59:21,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:21,894 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:59:21,896 INFO L158 Benchmark]: Toolchain (without parser) took 2184.78ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 38.5MB in the end (delta: 17.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-19 13:59:21,897 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:59:21,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2180.90ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 38.5MB in the end (delta: 17.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-19 13:59:21,901 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 86.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2180.90ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 38.5MB in the end (delta: 17.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:24,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:24,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:24,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:24,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:24,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:24,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:24,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:24,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:24,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:24,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:24,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:24,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:24,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:24,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:24,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:24,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:24,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:24,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:24,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:24,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:24,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:24,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:24,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:24,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:24,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:24,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:24,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:24,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:24,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:24,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:24,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:24,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:24,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:24,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:24,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:24,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:24,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:24,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:24,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:24,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:24,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:59:24,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:24,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:24,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:24,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:24,456 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:24,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:24,457 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:24,457 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:24,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:24,457 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:24,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:24,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:24,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:24,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:24,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:24,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:24,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:59:24,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:59:24,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:24,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:24,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:24,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:24,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:59:24,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:24,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:24,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:24,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:24,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:24,464 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:59:24,465 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:59:24,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:24,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:24,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:24,465 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_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2021-11-19 13:59:24,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:24,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:24,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:24,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:24,851 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:24,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2021-11-19 13:59:24,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/4d3969cff/04de21927fad411f892dcfd70444353a/FLAG74c030e84 [2021-11-19 13:59:25,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:25,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2021-11-19 13:59:25,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/4d3969cff/04de21927fad411f892dcfd70444353a/FLAG74c030e84 [2021-11-19 13:59:26,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/data/4d3969cff/04de21927fad411f892dcfd70444353a [2021-11-19 13:59:26,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:26,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:26,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:26,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:26,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:26,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:26" (1/1) ... [2021-11-19 13:59:26,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a6489d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:26, skipping insertion in model container [2021-11-19 13:59:26,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:26" (1/1) ... [2021-11-19 13:59:26,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:26,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:26,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2021-11-19 13:59:26,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2021-11-19 13:59:26,764 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:59:26,770 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:59:27,630 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:59:27,722 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,723 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,723 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,724 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,725 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,738 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,739 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,741 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,742 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,744 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,745 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,746 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:27,746 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,236 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:59:28,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:59:28,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:59:28,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:59:28,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:59:28,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:59:28,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:59:28,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:59:28,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:59:28,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:59:28,437 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,456 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,540 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:28,580 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:59:28,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:28,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2021-11-19 13:59:28,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2021-11-19 13:59:28,650 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:59:28,651 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:59:28,719 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:59:28,736 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,737 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,738 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,738 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,739 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,765 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,779 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,781 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,781 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,783 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,784 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,784 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,785 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,846 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:59:28,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:59:28,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:59:28,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:59:28,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:59:28,861 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:59:28,862 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:59:28,864 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:59:28,865 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:59:28,866 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:59:28,930 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,938 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:28,995 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:29,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:59:29,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2021-11-19 13:59:29,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2021-11-19 13:59:29,054 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:59:29,056 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:59:29,094 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:59:29,113 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,115 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,116 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,116 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,117 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,129 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,130 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,131 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,131 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,133 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,133 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,134 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,134 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:59:29,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:59:29,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:59:29,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:59:29,200 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:59:29,201 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:59:29,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:59:29,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:59:29,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:59:29,204 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:59:29,253 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,258 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:29,320 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:29,653 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:59:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29 WrapperNode [2021-11-19 13:59:29,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:29,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:29,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:59:29,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:59:29,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,923 INFO L137 Inliner]: procedures = 713, calls = 1686, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 678 [2021-11-19 13:59:29,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:29,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:59:29,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:59:29,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:59:29,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:30,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:59:30,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:59:30,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:59:30,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:59:30,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:30,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:59:30,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:59:30,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:59:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2021-11-19 13:59:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2021-11-19 13:59:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:59:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-19 13:59:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-19 13:59:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-19 13:59:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-19 13:59:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 13:59:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 13:59:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:59:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:59:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:59:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 13:59:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 13:59:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 13:59:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 13:59:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:59:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:59:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:59:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:59:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:59:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 13:59:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 13:59:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:59:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-19 13:59:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-19 13:59:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:59:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 13:59:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 13:59:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-19 13:59:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-19 13:59:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 13:59:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 13:59:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:59:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 13:59:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 13:59:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 13:59:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 13:59:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2021-11-19 13:59:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2021-11-19 13:59:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2021-11-19 13:59:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2021-11-19 13:59:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-19 13:59:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-19 13:59:30,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:59:30,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:59:34,839 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:59:34,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:59:34,853 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:59:34,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:59:34 BoogieIcfgContainer [2021-11-19 13:59:34,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:59:34,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:59:34,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:59:34,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:59:34,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:59:26" (1/3) ... [2021-11-19 13:59:34,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74436a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:59:34, skipping insertion in model container [2021-11-19 13:59:34,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29" (2/3) ... [2021-11-19 13:59:34,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74436a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:59:34, skipping insertion in model container [2021-11-19 13:59:34,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:59:34" (3/3) ... [2021-11-19 13:59:34,880 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2021-11-19 13:59:34,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:59:34,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:59:34,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:59:34,967 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:59:34,968 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:59:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2021-11-19 13:59:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-19 13:59:35,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:35,005 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:35,006 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:59:35,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash 642443003, now seen corresponding path program 1 times [2021-11-19 13:59:35,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:59:35,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270152010] [2021-11-19 13:59:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:35,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:59:35,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:59:35,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:59:35,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:59:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:35,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:59:35,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-19 13:59:36,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-19 13:59:36,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:59:36,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270152010] [2021-11-19 13:59:36,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270152010] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:59:36,302 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:59:36,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 13:59:36,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992189649] [2021-11-19 13:59:36,305 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:36,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:59:36,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:59:36,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:59:36,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:59:36,341 INFO L87 Difference]: Start difference. First operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:59:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:36,394 INFO L93 Difference]: Finished difference Result 361 states and 517 transitions. [2021-11-19 13:59:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:59:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 84 [2021-11-19 13:59:36,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:36,408 INFO L225 Difference]: With dead ends: 361 [2021-11-19 13:59:36,408 INFO L226 Difference]: Without dead ends: 179 [2021-11-19 13:59:36,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:59:36,418 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:36,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:59:36,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-11-19 13:59:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2021-11-19 13:59:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 105 states have (on average 1.1904761904761905) internal successors, (125), 106 states have internal predecessors, (125), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-11-19 13:59:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 238 transitions. [2021-11-19 13:59:36,482 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 238 transitions. Word has length 84 [2021-11-19 13:59:36,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:36,483 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 238 transitions. [2021-11-19 13:59:36,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:59:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2021-11-19 13:59:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-19 13:59:36,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:36,489 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:36,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:59:36,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:59:36,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:59:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:36,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1020905353, now seen corresponding path program 1 times [2021-11-19 13:59:36,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:59:36,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672899190] [2021-11-19 13:59:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:36,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:59:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:59:36,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:59:36,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:59:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:37,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:59:37,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-19 13:59:37,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-19 13:59:38,069 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:59:38,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672899190] [2021-11-19 13:59:38,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672899190] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:59:38,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:59:38,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-19 13:59:38,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279133867] [2021-11-19 13:59:38,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:38,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:59:38,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:59:38,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:59:38,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:59:38,073 INFO L87 Difference]: Start difference. First operand 179 states and 238 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 13:59:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:38,701 INFO L93 Difference]: Finished difference Result 323 states and 444 transitions. [2021-11-19 13:59:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:59:38,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2021-11-19 13:59:38,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:38,708 INFO L225 Difference]: With dead ends: 323 [2021-11-19 13:59:38,708 INFO L226 Difference]: Without dead ends: 181 [2021-11-19 13:59:38,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:59:38,712 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 38 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:38,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 778 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 13:59:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-19 13:59:38,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2021-11-19 13:59:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2021-11-19 13:59:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2021-11-19 13:59:38,742 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 84 [2021-11-19 13:59:38,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:38,742 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2021-11-19 13:59:38,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 13:59:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2021-11-19 13:59:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-19 13:59:38,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:38,746 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:38,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:59:38,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:59:38,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:59:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash 327548161, now seen corresponding path program 1 times [2021-11-19 13:59:38,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:59:38,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51435075] [2021-11-19 13:59:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:38,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:59:38,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:59:38,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:59:38,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:59:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:39,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:59:39,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-19 13:59:40,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-19 13:59:40,760 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:59:40,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51435075] [2021-11-19 13:59:40,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51435075] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:59:40,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:59:40,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-11-19 13:59:40,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992216266] [2021-11-19 13:59:40,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:40,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:59:40,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:59:40,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:59:40,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:59:40,763 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-19 13:59:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:41,620 INFO L93 Difference]: Finished difference Result 315 states and 438 transitions. [2021-11-19 13:59:41,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:59:41,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2021-11-19 13:59:41,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:41,624 INFO L225 Difference]: With dead ends: 315 [2021-11-19 13:59:41,625 INFO L226 Difference]: Without dead ends: 181 [2021-11-19 13:59:41,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:59:41,627 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 80 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:41,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1116 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 13:59:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-19 13:59:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2021-11-19 13:59:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2021-11-19 13:59:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-11-19 13:59:41,652 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 99 [2021-11-19 13:59:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:41,653 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-11-19 13:59:41,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-19 13:59:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-11-19 13:59:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 13:59:41,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:41,656 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:41,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:59:41,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:59:41,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:59:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash -316276691, now seen corresponding path program 2 times [2021-11-19 13:59:41,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:59:41,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518729031] [2021-11-19 13:59:41,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 13:59:41,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:59:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:59:41,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:59:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:59:51,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 13:59:51,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:59:51,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:59:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 13:59:52,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 13:59:52,615 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:59:52,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518729031] [2021-11-19 13:59:52,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518729031] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:59:52,616 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:59:52,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2021-11-19 13:59:52,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026974954] [2021-11-19 13:59:52,616 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:52,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:59:52,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:59:52,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:59:52,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:59:52,618 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-19 13:59:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:53,527 INFO L93 Difference]: Finished difference Result 324 states and 448 transitions. [2021-11-19 13:59:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:59:53,528 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114 [2021-11-19 13:59:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:53,531 INFO L225 Difference]: With dead ends: 324 [2021-11-19 13:59:53,531 INFO L226 Difference]: Without dead ends: 193 [2021-11-19 13:59:53,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:59:53,534 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 103 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:53,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 1333 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 13:59:53,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-19 13:59:53,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-11-19 13:59:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 112 states have (on average 1.1875) internal successors, (133), 114 states have internal predecessors, (133), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2021-11-19 13:59:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 263 transitions. [2021-11-19 13:59:53,559 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 263 transitions. Word has length 114 [2021-11-19 13:59:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:53,560 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 263 transitions. [2021-11-19 13:59:53,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-19 13:59:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 263 transitions. [2021-11-19 13:59:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 13:59:53,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:53,563 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:53,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:59:53,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:59:53,787 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:59:53,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1013494811, now seen corresponding path program 1 times [2021-11-19 13:59:53,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:59:53,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789382356] [2021-11-19 13:59:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:53,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:59:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:59:53,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:59:53,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d2e7da-07e0-4375-9afa-6174b99f9e8d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:00:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:44,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-19 14:00:44,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:45,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 14:00:47,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-19 14:00:47,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-19 14:00:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:00:47,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 90 [2021-11-19 14:00:51,481 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v___CPROVER_overflow_mult_~#c~1.base_31| (_ BitVec 64))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_31|))) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_31| (_ bv0 1))))) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ BitVec 64)) (|aws_mul_size_checked_aws_mul_u64_checked_~a#1| (_ BitVec 64))) (let ((.cse1 (bvadd (_ bv1 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) (.cse2 (bvadd (_ bv2 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) (.cse3 (bvadd (_ bv3 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) (.cse4 (bvadd (_ bv4 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) (.cse5 (bvadd |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ bv5 64))) (.cse6 (bvadd |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (_ bv6 64))) (.cse7 (bvadd (_ bv7 64) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|))) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_aws_mul_size_checked_#in~r#1.base|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (select .cse0 |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) .cse1 (select .cse0 .cse1)) .cse2 (select .cse0 .cse2)) .cse3 (select .cse0 .cse3)) .cse4 (select .cse0 .cse4)) .cse5 (select .cse0 .cse5)) .cse6 (select .cse0 .cse6)) .cse7 (select .cse0 .cse7))))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse8 (select |c_#memory_$Pointer$.base| |c_aws_mul_size_checked_#in~r#1.base|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| (select .cse8 |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset|)) .cse1 (select .cse8 .cse1)) .cse2 (select .cse8 .cse2)) .cse3 (select .cse8 .cse3)) .cse4 (select .cse8 .cse4)) .cse5 (select .cse8 .cse5)) .cse6 (select .cse8 .cse6)) .cse7 (select .cse8 .cse7)))) |c_#memory_$Pointer$.base|) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse9 (bvmul |aws_mul_size_checked_aws_mul_u64_checked_~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| ((_ extract 7 0) .cse9)) .cse1 ((_ extract 15 8) .cse9)) .cse2 ((_ extract 23 16) .cse9)) .cse3 ((_ extract 31 24) .cse9)) .cse4 ((_ extract 39 32) .cse9)) .cse5 ((_ extract 47 40) .cse9)) .cse6 ((_ extract 55 48) .cse9)) .cse7 ((_ extract 63 56) .cse9))))))))) is different from true [2021-11-19 14:01:10,428 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:01:19,402 WARN L227 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:01:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:01:49,212 WARN L227 SmtUtils]: Spent 12.59s on a formula simplification. DAG size of input: 536 DAG size of output: 84 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:01:49,213 INFO L354 Elim1Store]: treesize reduction 5843, result has 2.6 percent of original size [2021-11-19 14:01:49,214 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 15 case distinctions, treesize of input 357 treesize of output 405 [2021-11-19 14:01:49,756 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-19 14:01:49,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 381 treesize of output 289 [2021-11-19 14:01:50,565 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-19 14:01:50,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 290 treesize of output 291 [2021-11-19 14:01:50,932 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-19 14:01:50,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 281 treesize of output 189 [2021-11-19 14:02:36,817 INFO L354 Elim1Store]: treesize reduction 151, result has 26.3 percent of original size [2021-11-19 14:02:36,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 192