./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:52,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:52,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:52,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:52,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:52,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:52,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:52,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:52,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:52,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:52,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:52,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:52,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:52,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:52,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:52,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:52,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:52,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:52,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:52,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:52,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:52,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:52,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:52,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:52,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:52,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:52,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:52,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:52,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:52,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:52,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:52,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:52,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:52,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:52,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:52,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:52,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:52,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:52,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:52,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:52,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:52,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:53:52,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:52,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:52,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:52,406 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:52,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:52,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:52,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:52,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:52,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:52,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:52,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:52,409 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:52,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:52,410 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:52,410 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:52,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:52,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:52,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:52,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:52,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:52,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:52,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:52,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:52,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:52,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:52,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:52,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:52,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:52,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:52,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:52,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:52,416 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:52,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:52,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:52,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:52,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:52,417 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_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2021-11-07 00:53:52,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:52,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:52,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:52,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:52,668 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:52,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2021-11-07 00:53:52,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/2af125729/a2e48e20ac93471f935d75ecfc35c716/FLAGd46d1129b [2021-11-07 00:53:53,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:53,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2021-11-07 00:53:53,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/2af125729/a2e48e20ac93471f935d75ecfc35c716/FLAGd46d1129b [2021-11-07 00:53:53,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/2af125729/a2e48e20ac93471f935d75ecfc35c716 [2021-11-07 00:53:53,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:53,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:53,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:53,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:53,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:53,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:53" (1/1) ... [2021-11-07 00:53:53,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b336654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:53, skipping insertion in model container [2021-11-07 00:53:53,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:53" (1/1) ... [2021-11-07 00:53:53,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:53,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:54,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2021-11-07 00:53:54,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2021-11-07 00:53:54,283 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:53:54,287 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:53:55,003 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:53:55,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,104 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,105 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,108 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,132 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,136 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,139 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,496 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:53:55,498 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:53:55,499 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:53:55,500 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:53:55,501 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:53:55,502 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:53:55,502 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:53:55,503 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:53:55,504 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:53:55,505 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:53:55,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,660 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,667 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:53:55,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:55,749 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 00:53:55,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15d4d09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:55, skipping insertion in model container [2021-11-07 00:53:55,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:55,751 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:53:55,756 INFO L168 Benchmark]: Toolchain (without parser) took 2064.00 ms. Allocated memory is still 123.7 MB. Free memory was 82.3 MB in the beginning and 58.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:55,757 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 83.9 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:55,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2061.25 ms. Allocated memory is still 123.7 MB. Free memory was 82.0 MB in the beginning and 58.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:55,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 83.9 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2061.25 ms. Allocated memory is still 123.7 MB. Free memory was 82.0 MB in the beginning and 58.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:57,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:57,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:57,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:57,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:57,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:57,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:57,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:57,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:58,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:58,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:58,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:58,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:58,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:58,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:58,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:58,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:58,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:58,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:58,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:58,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:58,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:58,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:58,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:58,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:58,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:58,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:58,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:58,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:58,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:58,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:58,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:58,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:58,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:58,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:58,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:58,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:58,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:58,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:58,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:58,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:58,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:53:58,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:58,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:58,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:58,088 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:58,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:58,089 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:58,089 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:58,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:58,090 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:58,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:58,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:58,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:58,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:58,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:58,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:58,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:58,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:58,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:58,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:58,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:58,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:58,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:58,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:58,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:58,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:58,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:58,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:58,095 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:58,096 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:58,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:58,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:58,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:58,096 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_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2021-11-07 00:53:58,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:58,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:58,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:58,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:58,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:58,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2021-11-07 00:53:58,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/fd91e7d1d/fd599709bc674d0bab58a19b12636896/FLAGef628af80 [2021-11-07 00:53:59,460 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:59,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2021-11-07 00:53:59,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/fd91e7d1d/fd599709bc674d0bab58a19b12636896/FLAGef628af80 [2021-11-07 00:53:59,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/data/fd91e7d1d/fd599709bc674d0bab58a19b12636896 [2021-11-07 00:53:59,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:59,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:59,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:59,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:59,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:59,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:59" (1/1) ... [2021-11-07 00:53:59,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a923ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:59, skipping insertion in model container [2021-11-07 00:53:59,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:59" (1/1) ... [2021-11-07 00:53:59,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:00,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:00,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2021-11-07 00:54:00,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2021-11-07 00:54:00,348 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:54:00,354 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:54:01,203 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:54:01,311 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,333 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,352 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,357 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,357 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:01,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:54:01,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:54:01,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:54:01,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:54:01,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:54:01,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:54:01,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:54:01,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:54:01,890 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:54:01,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:54:02,065 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,066 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,071 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:02,167 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:54:02,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:02,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2021-11-07 00:54:02,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2021-11-07 00:54:02,226 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:54:02,226 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:54:02,286 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:54:02,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,344 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:54:02,417 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:54:02,417 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:54:02,418 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:54:02,419 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:54:02,420 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:54:02,420 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:54:02,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:54:02,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:54:02,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:54:02,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,473 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:02,575 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:54:02,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2021-11-07 00:54:02,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2021-11-07 00:54:02,590 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:54:02,590 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:54:02,619 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:54:02,635 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,635 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,636 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,636 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,680 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:54:02,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:54:02,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:54:02,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:54:02,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:54:02,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:54:02,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:54:02,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:54:02,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:54:02,687 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:54:02,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,736 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:54:02,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:03,094 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:54:03,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03 WrapperNode [2021-11-07 00:54:03,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:03,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:03,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:54:03,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:54:03,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:03,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:54:03,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:54:03,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:54:03,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:54:03,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:54:03,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:54:03,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:54:03,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:03,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:03,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:54:03,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:54:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:54:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:54:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 00:54:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 00:54:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:54:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:54:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:54:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 00:54:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 00:54:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:54:21,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:21,943 INFO L299 CfgBuilder]: Removed 324 assume(true) statements. [2021-11-07 00:54:21,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:21 BoogieIcfgContainer [2021-11-07 00:54:21,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:21,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:21,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:21,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:21,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:59" (1/3) ... [2021-11-07 00:54:21,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7b59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:21, skipping insertion in model container [2021-11-07 00:54:21,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03" (2/3) ... [2021-11-07 00:54:21,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7b59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:21, skipping insertion in model container [2021-11-07 00:54:21,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:21" (3/3) ... [2021-11-07 00:54:21,954 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2021-11-07 00:54:21,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:21,960 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-07 00:54:22,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:22,048 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:54:22,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-07 00:54:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 355 states have (on average 1.4) internal successors, (497), 368 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 00:54:22,095 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:22,096 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:22,097 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:22,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:22,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1546678732, now seen corresponding path program 1 times [2021-11-07 00:54:22,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:22,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022808672] [2021-11-07 00:54:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:22,132 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:22,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:22,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:26,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:26,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:26,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:26,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:26,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022808672] [2021-11-07 00:54:26,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022808672] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:26,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:26,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:26,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514423005] [2021-11-07 00:54:26,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:26,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:26,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:26,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:26,842 INFO L87 Difference]: Start difference. First operand has 369 states, 355 states have (on average 1.4) internal successors, (497), 368 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:26,892 INFO L93 Difference]: Finished difference Result 734 states and 989 transitions. [2021-11-07 00:54:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:26,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 00:54:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:26,908 INFO L225 Difference]: With dead ends: 734 [2021-11-07 00:54:26,908 INFO L226 Difference]: Without dead ends: 364 [2021-11-07 00:54:26,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-07 00:54:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2021-11-07 00:54:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 351 states have (on average 1.2877492877492878) internal successors, (452), 363 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 452 transitions. [2021-11-07 00:54:26,970 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 452 transitions. Word has length 53 [2021-11-07 00:54:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:26,970 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 452 transitions. [2021-11-07 00:54:26,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 452 transitions. [2021-11-07 00:54:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 00:54:26,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:26,974 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:27,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:27,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:27,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:27,190 INFO L85 PathProgramCache]: Analyzing trace with hash 481957526, now seen corresponding path program 1 times [2021-11-07 00:54:27,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:27,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392636935] [2021-11-07 00:54:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:27,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:27,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:27,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:27,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:54:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:31,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:31,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:31,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:31,686 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:31,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392636935] [2021-11-07 00:54:31,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392636935] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:31,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:31,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:31,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472815324] [2021-11-07 00:54:31,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:31,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:31,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:31,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:31,691 INFO L87 Difference]: Start difference. First operand 364 states and 452 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:31,831 INFO L93 Difference]: Finished difference Result 716 states and 891 transitions. [2021-11-07 00:54:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:31,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 00:54:31,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:31,835 INFO L225 Difference]: With dead ends: 716 [2021-11-07 00:54:31,835 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 00:54:31,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:31,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 00:54:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-07 00:54:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 353 states have (on average 1.2861189801699717) internal successors, (454), 365 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 454 transitions. [2021-11-07 00:54:31,862 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 454 transitions. Word has length 53 [2021-11-07 00:54:31,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:31,863 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 454 transitions. [2021-11-07 00:54:31,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 454 transitions. [2021-11-07 00:54:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 00:54:31,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:31,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:31,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:32,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:32,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:32,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:32,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1457204520, now seen corresponding path program 1 times [2021-11-07 00:54:32,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:32,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146406136] [2021-11-07 00:54:32,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:32,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:32,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:32,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:32,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:54:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:36,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:36,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:36,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:36,635 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:36,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146406136] [2021-11-07 00:54:36,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146406136] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:36,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:36,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:54:36,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465526565] [2021-11-07 00:54:36,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:36,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:36,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:36,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:36,637 INFO L87 Difference]: Start difference. First operand 366 states and 454 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:39,393 INFO L93 Difference]: Finished difference Result 700 states and 868 transitions. [2021-11-07 00:54:39,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:39,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 00:54:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:39,398 INFO L225 Difference]: With dead ends: 700 [2021-11-07 00:54:39,398 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 00:54:39,400 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:54:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 00:54:39,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-07 00:54:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 353 states have (on average 1.2804532577903682) internal successors, (452), 365 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 452 transitions. [2021-11-07 00:54:39,425 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 452 transitions. Word has length 53 [2021-11-07 00:54:39,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:39,425 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 452 transitions. [2021-11-07 00:54:39,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 452 transitions. [2021-11-07 00:54:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 00:54:39,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:39,429 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:39,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 00:54:39,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:39,645 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:39,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:39,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1402449476, now seen corresponding path program 1 times [2021-11-07 00:54:39,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:39,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703822222] [2021-11-07 00:54:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:39,648 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:39,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:39,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:54:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:43,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:43,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:44,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:44,604 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:44,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703822222] [2021-11-07 00:54:44,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703822222] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:44,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:44,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:54:44,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445752779] [2021-11-07 00:54:44,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:44,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:44,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:44,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:44,606 INFO L87 Difference]: Start difference. First operand 366 states and 452 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:47,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:47,486 INFO L93 Difference]: Finished difference Result 667 states and 824 transitions. [2021-11-07 00:54:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 00:54:47,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:47,489 INFO L225 Difference]: With dead ends: 667 [2021-11-07 00:54:47,490 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 00:54:47,491 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:54:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 00:54:47,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-07 00:54:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 353 states have (on average 1.274787535410765) internal successors, (450), 365 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 450 transitions. [2021-11-07 00:54:47,511 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 450 transitions. Word has length 61 [2021-11-07 00:54:47,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:47,511 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 450 transitions. [2021-11-07 00:54:47,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 450 transitions. [2021-11-07 00:54:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 00:54:47,514 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:47,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:47,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 00:54:47,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:47,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:47,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:47,721 INFO L85 PathProgramCache]: Analyzing trace with hash -995056424, now seen corresponding path program 1 times [2021-11-07 00:54:47,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:47,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880245983] [2021-11-07 00:54:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:47,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:47,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:47,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:47,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:54:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:52,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:52,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:52,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:53,151 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:53,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880245983] [2021-11-07 00:54:53,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880245983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:53,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:53,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:54:53,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660568646] [2021-11-07 00:54:53,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:54:53,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:53,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:54:53,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:54:53,154 INFO L87 Difference]: Start difference. First operand 366 states and 450 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:56,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:56,524 INFO L93 Difference]: Finished difference Result 643 states and 792 transitions. [2021-11-07 00:54:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:54:56,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-07 00:54:56,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:56,528 INFO L225 Difference]: With dead ends: 643 [2021-11-07 00:54:56,528 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 00:54:56,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 00:54:56,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 00:54:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-07 00:54:56,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 353 states have (on average 1.2606232294617563) internal successors, (445), 365 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 445 transitions. [2021-11-07 00:54:56,549 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 445 transitions. Word has length 69 [2021-11-07 00:54:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:56,550 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 445 transitions. [2021-11-07 00:54:56,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 445 transitions. [2021-11-07 00:54:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 00:54:56,553 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:56,553 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:56,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:56,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:56,777 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:54:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 995676554, now seen corresponding path program 1 times [2021-11-07 00:54:56,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:56,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168934051] [2021-11-07 00:54:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:56,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:56,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:56,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:56,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 00:55:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:01,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1777 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:55:01,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:01,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:02,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:02,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168934051] [2021-11-07 00:55:02,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168934051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:02,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:02,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:55:02,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858637870] [2021-11-07 00:55:02,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:55:02,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:02,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:55:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:55:02,194 INFO L87 Difference]: Start difference. First operand 366 states and 445 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:05,178 INFO L93 Difference]: Finished difference Result 771 states and 950 transitions. [2021-11-07 00:55:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:55:05,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-07 00:55:05,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:05,185 INFO L225 Difference]: With dead ends: 771 [2021-11-07 00:55:05,185 INFO L226 Difference]: Without dead ends: 436 [2021-11-07 00:55:05,186 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:55:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-11-07 00:55:05,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 394. [2021-11-07 00:55:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 381 states have (on average 1.2414698162729658) internal successors, (473), 393 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 473 transitions. [2021-11-07 00:55:05,204 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 473 transitions. Word has length 81 [2021-11-07 00:55:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:05,205 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 473 transitions. [2021-11-07 00:55:05,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 473 transitions. [2021-11-07 00:55:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 00:55:05,206 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:05,207 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:05,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:05,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:05,421 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:55:05,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:05,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1129690060, now seen corresponding path program 1 times [2021-11-07 00:55:05,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:05,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173931641] [2021-11-07 00:55:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:05,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:05,427 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:05,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 00:55:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:10,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:55:10,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:10,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:11,262 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:11,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173931641] [2021-11-07 00:55:11,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173931641] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:11,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:11,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:55:11,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475884363] [2021-11-07 00:55:11,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:55:11,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:55:11,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:55:11,265 INFO L87 Difference]: Start difference. First operand 394 states and 473 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:15,990 INFO L93 Difference]: Finished difference Result 675 states and 810 transitions. [2021-11-07 00:55:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:55:15,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-07 00:55:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:15,994 INFO L225 Difference]: With dead ends: 675 [2021-11-07 00:55:15,994 INFO L226 Difference]: Without dead ends: 394 [2021-11-07 00:55:15,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 00:55:15,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-11-07 00:55:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2021-11-07 00:55:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 381 states have (on average 1.2283464566929134) internal successors, (468), 393 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 468 transitions. [2021-11-07 00:55:16,014 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 468 transitions. Word has length 81 [2021-11-07 00:55:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:16,015 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 468 transitions. [2021-11-07 00:55:16,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 468 transitions. [2021-11-07 00:55:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 00:55:16,016 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:16,017 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:16,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:16,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:16,241 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:55:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 224097512, now seen corresponding path program 1 times [2021-11-07 00:55:16,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:16,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269991626] [2021-11-07 00:55:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:16,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:16,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:16,245 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:16,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 00:55:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:21,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:55:21,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:21,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:21,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:21,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269991626] [2021-11-07 00:55:21,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269991626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:21,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:21,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 00:55:21,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595068548] [2021-11-07 00:55:21,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 00:55:21,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:21,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 00:55:21,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 00:55:21,995 INFO L87 Difference]: Start difference. First operand 394 states and 468 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:22,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:22,632 INFO L93 Difference]: Finished difference Result 872 states and 1039 transitions. [2021-11-07 00:55:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 00:55:22,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-07 00:55:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:22,638 INFO L225 Difference]: With dead ends: 872 [2021-11-07 00:55:22,638 INFO L226 Difference]: Without dead ends: 820 [2021-11-07 00:55:22,639 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:55:22,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-11-07 00:55:22,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 396. [2021-11-07 00:55:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 383 states have (on average 1.227154046997389) internal successors, (470), 395 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 470 transitions. [2021-11-07 00:55:22,668 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 470 transitions. Word has length 89 [2021-11-07 00:55:22,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:22,669 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 470 transitions. [2021-11-07 00:55:22,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 470 transitions. [2021-11-07 00:55:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 00:55:22,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:22,671 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:22,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:22,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:22,897 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:55:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash 923773556, now seen corresponding path program 1 times [2021-11-07 00:55:22,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:22,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131797436] [2021-11-07 00:55:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:22,900 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:22,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:22,901 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:22,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 00:55:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:28,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:55:28,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:28,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:28,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:28,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131797436] [2021-11-07 00:55:28,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131797436] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:28,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:28,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:55:28,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648866134] [2021-11-07 00:55:28,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:55:28,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:55:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:55:28,757 INFO L87 Difference]: Start difference. First operand 396 states and 470 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:30,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:30,798 INFO L93 Difference]: Finished difference Result 797 states and 942 transitions. [2021-11-07 00:55:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:55:30,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-07 00:55:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:30,806 INFO L225 Difference]: With dead ends: 797 [2021-11-07 00:55:30,806 INFO L226 Difference]: Without dead ends: 711 [2021-11-07 00:55:30,807 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:55:30,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2021-11-07 00:55:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 399. [2021-11-07 00:55:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 386 states have (on average 1.2253886010362693) internal successors, (473), 398 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 473 transitions. [2021-11-07 00:55:30,833 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 473 transitions. Word has length 93 [2021-11-07 00:55:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:30,833 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 473 transitions. [2021-11-07 00:55:30,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 473 transitions. [2021-11-07 00:55:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 00:55:30,835 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:30,835 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:30,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:31,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:31,057 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-07 00:55:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1070736296, now seen corresponding path program 1 times [2021-11-07 00:55:31,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:31,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694196971] [2021-11-07 00:55:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:31,060 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:31,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:31,061 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:31,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5019ba4c-c2bd-4ac4-9115-8e6637dffd50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:00:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:01,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-07 01:01:01,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:01,349 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-07 01:01:01,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2021-11-07 01:01:02,317 INFO L354 Elim1Store]: treesize reduction 97, result has 25.4 percent of original size [2021-11-07 01:01:02,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 46 treesize of output 66 [2021-11-07 01:01:04,928 INFO L354 Elim1Store]: treesize reduction 69, result has 29.6 percent of original size [2021-11-07 01:01:04,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 65 treesize of output 84 [2021-11-07 01:01:09,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-07 01:01:10,466 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-07 01:01:10,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 97 [2021-11-07 01:01:11,113 INFO L354 Elim1Store]: treesize reduction 1610, result has 0.6 percent of original size [2021-11-07 01:01:11,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 110 treesize of output 21 [2021-11-07 01:01:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 37 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 87 [2021-11-07 01:01:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 37 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 23 [2021-11-07 01:01:13,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-07 01:01:13,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:01:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:13,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:14,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 491 [2021-11-07 01:01:14,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 775 [2021-11-07 01:01:17,781 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64))) (.cse1 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse2 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset)) (.cse3 (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64))) (.cse4 (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64))) (.cse5 (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64))) (.cse6 (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64))) (.cse7 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))) (or (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) .cse0 v_DerPreprocessor_2) .cse1 v_DerPreprocessor_3) .cse2 v_DerPreprocessor_4) .cse3 v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse7))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_9) .cse0 v_DerPreprocessor_10) .cse1 v_DerPreprocessor_11) .cse2 v_DerPreprocessor_12) .cse3 v_DerPreprocessor_13) .cse4 v_DerPreprocessor_14) .cse5 v_DerPreprocessor_15) .cse6 v_DerPreprocessor_16)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse7)))))) is different from false [2021-11-07 01:01:20,535 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))) (or (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_1) (_ bv1 64) v_DerPreprocessor_2) (_ bv2 64) v_DerPreprocessor_3) (_ bv3 64) v_DerPreprocessor_4) (_ bv4 64) v_DerPreprocessor_5) (_ bv5 64) v_DerPreprocessor_6) (_ bv6 64) v_DerPreprocessor_7) (_ bv7 64) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse0))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_9) (_ bv1 64) v_DerPreprocessor_10) (_ bv2 64) v_DerPreprocessor_11) (_ bv3 64) v_DerPreprocessor_12) (_ bv4 64) v_DerPreprocessor_13) (_ bv5 64) v_DerPreprocessor_14) (_ bv6 64) v_DerPreprocessor_15) (_ bv7 64) v_DerPreprocessor_16)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) .cse0)))))) is different from false [2021-11-07 01:01:22,955 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd c_ULTIMATE.start_aws_array_list_copy_~from.offset (_ bv32 64)))) (or (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_9) (_ bv1 64) v_DerPreprocessor_10) (_ bv2 64) v_DerPreprocessor_11) (_ bv3 64) v_DerPreprocessor_12) (_ bv4 64) v_DerPreprocessor_13) (_ bv5 64) v_DerPreprocessor_14) (_ bv6 64) v_DerPreprocessor_15) (_ bv7 64) v_DerPreprocessor_16)) c_ULTIMATE.start_aws_array_list_copy_~from.base) .cse0))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_1) (_ bv1 64) v_DerPreprocessor_2) (_ bv2 64) v_DerPreprocessor_3) (_ bv3 64) v_DerPreprocessor_4) (_ bv4 64) v_DerPreprocessor_5) (_ bv5 64) v_DerPreprocessor_6) (_ bv6 64) v_DerPreprocessor_7) (_ bv7 64) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_copy_~from.base) .cse0)))))) is different from false [2021-11-07 01:01:26,254 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (let ((.cse0 (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0.offset|))) (or (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_9) (_ bv1 64) v_DerPreprocessor_10) (_ bv2 64) v_DerPreprocessor_11) (_ bv3 64) v_DerPreprocessor_12) (_ bv4 64) v_DerPreprocessor_13) (_ bv5 64) v_DerPreprocessor_14) (_ bv6 64) v_DerPreprocessor_15) (_ bv7 64) v_DerPreprocessor_16)) |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0.base|) .cse0))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_1) (_ bv1 64) v_DerPreprocessor_2) (_ bv2 64) v_DerPreprocessor_3) (_ bv3 64) v_DerPreprocessor_4) (_ bv4 64) v_DerPreprocessor_5) (_ bv5 64) v_DerPreprocessor_6) (_ bv6 64) v_DerPreprocessor_7) (_ bv7 64) v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0.base|) .cse0)))))) is different from false [2021-11-07 01:01:29,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6985613349 treesize of output 6979321887