./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:37,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:37,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:37,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:37,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:37,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:37,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:37,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:37,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:37,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:37,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:37,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:37,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:37,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:37,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:37,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:37,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:37,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:37,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:37,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:37,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:37,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:37,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:37,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:37,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:37,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:37,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:37,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:37,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:37,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:37,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:37,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:37,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:37,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:37,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:37,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:37,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:37,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:37,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:37,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:37,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:37,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:30:37,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:37,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:37,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:37,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:37,686 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:37,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:37,686 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:37,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:30:37,687 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:37,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:37,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:30:37,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:30:37,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:37,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:30:37,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:30:37,689 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:30:37,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:37,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:30:37,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:37,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:37,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:37,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:37,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:37,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:37,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:37,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:37,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:37,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:37,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:37,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:37,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:37,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:37,694 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:30:37,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:30:37,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:37,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:37,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:37,696 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_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-11-19 14:30:37,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:38,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:38,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:38,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:38,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:38,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-19 14:30:38,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/334ad0a46/437f78551d954f90beb31d66b644c3ab/FLAG7bff3ee27 [2021-11-19 14:30:39,003 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:39,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-19 14:30:39,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/334ad0a46/437f78551d954f90beb31d66b644c3ab/FLAG7bff3ee27 [2021-11-19 14:30:39,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/334ad0a46/437f78551d954f90beb31d66b644c3ab [2021-11-19 14:30:39,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:39,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:39,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:39,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:39,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:39,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:39" (1/1) ... [2021-11-19 14:30:39,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a062a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:39, skipping insertion in model container [2021-11-19 14:30:39,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:39" (1/1) ... [2021-11-19 14:30:39,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:39,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:39,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-19 14:30:39,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-19 14:30:39,973 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:30:39,980 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:30:41,126 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,129 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,131 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,133 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,135 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,164 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,165 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,167 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,168 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:41,699 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:30:41,700 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:30:41,701 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:30:41,703 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:30:41,704 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:30:41,705 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:30:41,706 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:30:41,707 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:30:41,708 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:30:41,708 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:30:41,910 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:30:42,071 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:42,072 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:42,192 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:42,271 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:30:42,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68d97c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:42, skipping insertion in model container [2021-11-19 14:30:42,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:42,274 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:30:42,277 INFO L158 Benchmark]: Toolchain (without parser) took 2792.31ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 63.2MB in the beginning and 71.4MB in the end (delta: -8.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-19 14:30:42,278 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:42,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2789.69ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 63.0MB in the beginning and 71.4MB in the end (delta: -8.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-19 14:30:42,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2789.69ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 63.0MB in the beginning and 71.4MB in the end (delta: -8.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:44,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:44,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:44,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:44,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:44,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:44,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:44,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:44,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:44,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:44,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:44,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:44,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:44,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:44,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:44,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:44,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:44,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:44,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:44,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:44,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:44,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:44,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:44,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:44,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:44,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:44,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:44,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:44,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:44,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:44,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:44,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:44,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:44,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:44,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:44,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:44,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:44,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:44,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:44,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:44,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:44,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:30:44,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:44,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:44,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:44,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:44,739 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:44,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:44,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:44,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:44,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:44,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:44,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:44,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:44,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:44,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:44,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:44,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:44,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:30:44,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:30:44,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:44,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:44,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:44,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:44,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:30:44,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:44,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:44,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:44,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:44,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:44,746 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:30:44,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:30:44,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:44,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:44,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:44,747 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_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-11-19 14:30:45,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:45,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:45,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:45,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:45,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:45,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-19 14:30:45,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/e80eff048/bf9ad870e1bd4d808076ceb237d0f9f8/FLAG34820de2b [2021-11-19 14:30:46,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:46,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-19 14:30:46,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/e80eff048/bf9ad870e1bd4d808076ceb237d0f9f8/FLAG34820de2b [2021-11-19 14:30:46,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/data/e80eff048/bf9ad870e1bd4d808076ceb237d0f9f8 [2021-11-19 14:30:46,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:46,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:46,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:46,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:46,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:46,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:46" (1/1) ... [2021-11-19 14:30:46,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7383b432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46, skipping insertion in model container [2021-11-19 14:30:46,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:46" (1/1) ... [2021-11-19 14:30:46,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:47,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:47,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-19 14:30:47,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-19 14:30:47,392 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:30:47,400 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:30:48,571 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,572 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,572 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,573 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,575 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,592 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,593 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,595 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:48,596 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,128 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:30:49,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:30:49,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:30:49,131 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:30:49,133 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:30:49,134 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:30:49,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:30:49,136 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:30:49,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:30:49,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:30:49,347 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:30:49,468 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,468 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,642 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:49,702 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:30:49,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:49,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-19 14:30:49,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-19 14:30:49,771 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:30:49,772 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:30:49,816 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,817 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,818 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,818 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,819 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,828 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,829 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,830 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,831 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:49,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:30:49,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:30:49,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:30:49,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:30:49,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:30:49,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:30:49,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:30:49,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:30:49,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:30:49,913 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:30:49,958 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:30:50,058 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,059 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,109 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:50,144 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:30:50,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-19 14:30:50,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-19 14:30:50,161 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:30:50,162 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:30:50,221 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,222 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,222 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,223 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,223 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,232 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,233 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,234 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,235 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:30:50,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:30:50,279 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:30:50,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:30:50,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:30:50,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:30:50,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:30:50,283 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:30:50,284 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:30:50,284 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:30:50,324 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:30:50,416 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,417 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:30:50,474 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:50,929 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:30:50,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50 WrapperNode [2021-11-19 14:30:50,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:50,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:50,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:30:50,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:30:50,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,169 INFO L137 Inliner]: procedures = 717, calls = 2944, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1011 [2021-11-19 14:30:51,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:51,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:30:51,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:30:51,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:30:51,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:30:51,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:30:51,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:30:51,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:30:51,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (1/1) ... [2021-11-19 14:30:51,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:30:51,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:30:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:30:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-19 14:30:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-19 14:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-11-19 14:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-19 14:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:30:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-19 14:30:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-19 14:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-19 14:30:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-19 14:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2021-11-19 14:30:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2021-11-19 14:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:30:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-19 14:30:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-19 14:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:30:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 14:30:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 14:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-11-19 14:30:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-11-19 14:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:30:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:30:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-19 14:30:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-19 14:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 14:30:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 14:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-11-19 14:30:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-11-19 14:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-11-19 14:30:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-11-19 14:30:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 14:30:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 14:30:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-11-19 14:30:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-11-19 14:30:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-19 14:30:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-19 14:30:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-11-19 14:30:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-11-19 14:30:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-11-19 14:30:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-11-19 14:30:51,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:30:51,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:30:56,521 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:30:56,532 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:30:56,532 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:30:56,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:56 BoogieIcfgContainer [2021-11-19 14:30:56,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:30:56,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:30:56,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:30:56,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:30:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:30:46" (1/3) ... [2021-11-19 14:30:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5ee9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:56, skipping insertion in model container [2021-11-19 14:30:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:50" (2/3) ... [2021-11-19 14:30:56,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5ee9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:56, skipping insertion in model container [2021-11-19 14:30:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:56" (3/3) ... [2021-11-19 14:30:56,543 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2021-11-19 14:30:56,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:30:56,549 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:30:56,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:30:56,617 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:30:56,618 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:30:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:30:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-19 14:30:56,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:30:56,669 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:30:56,670 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:30:56,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:30:56,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1737794593, now seen corresponding path program 1 times [2021-11-19 14:30:56,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:30:56,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817378415] [2021-11-19 14:30:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:56,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:30:56,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:30:56,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:30:56,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:30:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:30:57,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:30:57,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:30:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 14:30:57,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:30:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 14:30:58,000 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:30:58,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817378415] [2021-11-19 14:30:58,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817378415] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:30:58,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:30:58,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:30:58,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033029824] [2021-11-19 14:30:58,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:30:58,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:30:58,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:30:58,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:30:58,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:30:58,071 INFO L87 Difference]: Start difference. First operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 14:30:58,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:30:58,202 INFO L93 Difference]: Finished difference Result 592 states and 876 transitions. [2021-11-19 14:30:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:30:58,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2021-11-19 14:30:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:30:58,233 INFO L225 Difference]: With dead ends: 592 [2021-11-19 14:30:58,234 INFO L226 Difference]: Without dead ends: 294 [2021-11-19 14:30:58,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:30:58,252 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:30:58,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:30:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-19 14:30:58,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-11-19 14:30:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 185 states have (on average 1.2054054054054053) internal successors, (223), 188 states have internal predecessors, (223), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-11-19 14:30:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 396 transitions. [2021-11-19 14:30:58,371 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 396 transitions. Word has length 52 [2021-11-19 14:30:58,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:30:58,373 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 396 transitions. [2021-11-19 14:30:58,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 14:30:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 396 transitions. [2021-11-19 14:30:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-19 14:30:58,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:30:58,376 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:30:58,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:30:58,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:30:58,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:30:58,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:30:58,591 INFO L85 PathProgramCache]: Analyzing trace with hash 791948131, now seen corresponding path program 1 times [2021-11-19 14:30:58,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:30:58,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319693625] [2021-11-19 14:30:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:58,594 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:30:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:30:58,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:30:58,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:30:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:30:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:30:59,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:30:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:30:59,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:30:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:30:59,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:30:59,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319693625] [2021-11-19 14:30:59,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319693625] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:30:59,867 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:30:59,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-19 14:30:59,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810791] [2021-11-19 14:30:59,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:30:59,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:30:59,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:30:59,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:30:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:30:59,872 INFO L87 Difference]: Start difference. First operand 294 states and 396 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 14:31:00,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:00,102 INFO L93 Difference]: Finished difference Result 581 states and 822 transitions. [2021-11-19 14:31:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:31:00,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2021-11-19 14:31:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:00,115 INFO L225 Difference]: With dead ends: 581 [2021-11-19 14:31:00,115 INFO L226 Difference]: Without dead ends: 306 [2021-11-19 14:31:00,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:31:00,124 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 28 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:00,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 2305 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-11-19 14:31:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-11-19 14:31:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 194 states have (on average 1.211340206185567) internal successors, (235), 197 states have internal predecessors, (235), 88 states have call successors, (88), 22 states have call predecessors, (88), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 410 transitions. [2021-11-19 14:31:00,171 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 410 transitions. Word has length 52 [2021-11-19 14:31:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:00,172 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 410 transitions. [2021-11-19 14:31:00,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 14:31:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 410 transitions. [2021-11-19 14:31:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-19 14:31:00,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:00,176 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:00,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:00,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:00,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:00,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:00,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1192107770, now seen corresponding path program 1 times [2021-11-19 14:31:00,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:00,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638860425] [2021-11-19 14:31:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:00,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:00,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:00,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:00,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:31:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:31:01,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:31:01,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:31:02,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:02,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638860425] [2021-11-19 14:31:02,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638860425] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:02,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:02,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-19 14:31:02,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966555027] [2021-11-19 14:31:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:02,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:31:02,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:31:02,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:31:02,109 INFO L87 Difference]: Start difference. First operand 306 states and 410 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:02,312 INFO L93 Difference]: Finished difference Result 603 states and 807 transitions. [2021-11-19 14:31:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:31:02,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 83 [2021-11-19 14:31:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:02,319 INFO L225 Difference]: With dead ends: 603 [2021-11-19 14:31:02,320 INFO L226 Difference]: Without dead ends: 308 [2021-11-19 14:31:02,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:31:02,325 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 6 mSDsluCounter, 1529 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:02,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 1917 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:02,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-19 14:31:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2021-11-19 14:31:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 195 states have (on average 1.205128205128205) internal successors, (235), 199 states have internal predecessors, (235), 88 states have call successors, (88), 22 states have call predecessors, (88), 23 states have return successors, (88), 87 states have call predecessors, (88), 87 states have call successors, (88) [2021-11-19 14:31:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 411 transitions. [2021-11-19 14:31:02,386 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 411 transitions. Word has length 83 [2021-11-19 14:31:02,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:02,387 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 411 transitions. [2021-11-19 14:31:02,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 411 transitions. [2021-11-19 14:31:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-19 14:31:02,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:02,391 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:02,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:02,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:02,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:02,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1688928274, now seen corresponding path program 1 times [2021-11-19 14:31:02,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:02,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523821641] [2021-11-19 14:31:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:02,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:02,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:02,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:02,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:31:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:03,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:31:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-19 14:31:03,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:31:04,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:04,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523821641] [2021-11-19 14:31:04,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523821641] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:04,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:04,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-11-19 14:31:04,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975010335] [2021-11-19 14:31:04,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:04,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:31:04,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:04,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:31:04,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:31:04,859 INFO L87 Difference]: Start difference. First operand 308 states and 411 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:05,100 INFO L93 Difference]: Finished difference Result 607 states and 809 transitions. [2021-11-19 14:31:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:31:05,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 85 [2021-11-19 14:31:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:05,105 INFO L225 Difference]: With dead ends: 607 [2021-11-19 14:31:05,105 INFO L226 Difference]: Without dead ends: 310 [2021-11-19 14:31:05,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-11-19 14:31:05,108 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 8 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:05,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2288 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-19 14:31:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 308. [2021-11-19 14:31:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 195 states have (on average 1.2) internal successors, (234), 199 states have internal predecessors, (234), 88 states have call successors, (88), 22 states have call predecessors, (88), 23 states have return successors, (88), 87 states have call predecessors, (88), 87 states have call successors, (88) [2021-11-19 14:31:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 410 transitions. [2021-11-19 14:31:05,127 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 410 transitions. Word has length 85 [2021-11-19 14:31:05,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:05,128 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 410 transitions. [2021-11-19 14:31:05,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 410 transitions. [2021-11-19 14:31:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-19 14:31:05,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:05,132 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:05,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:05,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:05,358 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1429217414, now seen corresponding path program 1 times [2021-11-19 14:31:05,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:05,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827367859] [2021-11-19 14:31:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:05,361 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:05,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:05,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:31:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:06,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:31:06,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:31:06,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:31:08,181 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:08,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827367859] [2021-11-19 14:31:08,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827367859] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:08,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:08,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2021-11-19 14:31:08,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381774585] [2021-11-19 14:31:08,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:08,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:31:08,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:08,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:31:08,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:31:08,185 INFO L87 Difference]: Start difference. First operand 308 states and 410 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:08,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:08,728 INFO L93 Difference]: Finished difference Result 610 states and 814 transitions. [2021-11-19 14:31:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 14:31:08,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 87 [2021-11-19 14:31:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:08,734 INFO L225 Difference]: With dead ends: 610 [2021-11-19 14:31:08,734 INFO L226 Difference]: Without dead ends: 316 [2021-11-19 14:31:08,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:31:08,737 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 13 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2660 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:08,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 2660 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:31:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-11-19 14:31:08,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2021-11-19 14:31:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 199 states have (on average 1.2010050251256281) internal successors, (239), 202 states have internal predecessors, (239), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (88), 87 states have call predecessors, (88), 87 states have call successors, (88) [2021-11-19 14:31:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 415 transitions. [2021-11-19 14:31:08,758 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 415 transitions. Word has length 87 [2021-11-19 14:31:08,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:08,759 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 415 transitions. [2021-11-19 14:31:08,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 415 transitions. [2021-11-19 14:31:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-19 14:31:08,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:08,761 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:08,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:08,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:08,976 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:08,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2020413706, now seen corresponding path program 1 times [2021-11-19 14:31:08,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:08,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346651834] [2021-11-19 14:31:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:08,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:08,979 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:08,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:31:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:09,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:31:09,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-19 14:31:10,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:31:12,396 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:12,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346651834] [2021-11-19 14:31:12,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346651834] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:12,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:12,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 15 [2021-11-19 14:31:12,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344564235] [2021-11-19 14:31:12,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:12,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:31:12,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:12,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:31:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:31:12,399 INFO L87 Difference]: Start difference. First operand 312 states and 415 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:13,254 INFO L93 Difference]: Finished difference Result 616 states and 817 transitions. [2021-11-19 14:31:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 14:31:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 89 [2021-11-19 14:31:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:13,266 INFO L225 Difference]: With dead ends: 616 [2021-11-19 14:31:13,266 INFO L226 Difference]: Without dead ends: 318 [2021-11-19 14:31:13,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:31:13,274 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 17 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3029 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:13,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3029 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:31:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-19 14:31:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 312. [2021-11-19 14:31:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 199 states have (on average 1.1959798994974875) internal successors, (238), 202 states have internal predecessors, (238), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (88), 87 states have call predecessors, (88), 87 states have call successors, (88) [2021-11-19 14:31:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 414 transitions. [2021-11-19 14:31:13,305 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 414 transitions. Word has length 89 [2021-11-19 14:31:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:13,308 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 414 transitions. [2021-11-19 14:31:13,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-19 14:31:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 414 transitions. [2021-11-19 14:31:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-19 14:31:13,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:13,314 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:13,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:13,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:13,538 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:13,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2039070202, now seen corresponding path program 1 times [2021-11-19 14:31:13,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:13,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057494785] [2021-11-19 14:31:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:13,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:13,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:13,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:13,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:31:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:14,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:31:14,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-19 14:31:14,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-19 14:31:14,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:14,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057494785] [2021-11-19 14:31:14,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057494785] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:31:14,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:31:14,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-19 14:31:14,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240350788] [2021-11-19 14:31:14,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:14,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:31:14,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:14,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:31:14,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:31:14,944 INFO L87 Difference]: Start difference. First operand 312 states and 414 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-19 14:31:15,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:15,101 INFO L93 Difference]: Finished difference Result 316 states and 416 transitions. [2021-11-19 14:31:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:31:15,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2021-11-19 14:31:15,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:15,106 INFO L225 Difference]: With dead ends: 316 [2021-11-19 14:31:15,106 INFO L226 Difference]: Without dead ends: 311 [2021-11-19 14:31:15,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:31:15,108 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 24 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:15,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 2305 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:15,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-19 14:31:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 309. [2021-11-19 14:31:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 197 states have (on average 1.1827411167512691) internal successors, (233), 199 states have internal predecessors, (233), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 408 transitions. [2021-11-19 14:31:15,135 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 408 transitions. Word has length 91 [2021-11-19 14:31:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:15,136 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 408 transitions. [2021-11-19 14:31:15,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-19 14:31:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 408 transitions. [2021-11-19 14:31:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-19 14:31:15,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:15,150 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:15,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:15,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:15,374 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:15,374 INFO L85 PathProgramCache]: Analyzing trace with hash -534432314, now seen corresponding path program 1 times [2021-11-19 14:31:15,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:15,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043184292] [2021-11-19 14:31:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:15,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:15,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:15,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:15,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:31:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:16,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:31:16,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:31:17,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-11-19 14:31:18,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:18,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043184292] [2021-11-19 14:31:18,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043184292] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:18,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:18,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-19 14:31:18,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683472166] [2021-11-19 14:31:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:18,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:31:18,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:31:18,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:31:18,099 INFO L87 Difference]: Start difference. First operand 309 states and 408 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:18,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:18,204 INFO L93 Difference]: Finished difference Result 582 states and 804 transitions. [2021-11-19 14:31:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:31:18,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 224 [2021-11-19 14:31:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:18,208 INFO L225 Difference]: With dead ends: 582 [2021-11-19 14:31:18,208 INFO L226 Difference]: Without dead ends: 309 [2021-11-19 14:31:18,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:31:18,211 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 6 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:18,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 1919 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:31:18,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-19 14:31:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-19 14:31:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 197 states have (on average 1.1776649746192893) internal successors, (232), 199 states have internal predecessors, (232), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 407 transitions. [2021-11-19 14:31:18,228 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 407 transitions. Word has length 224 [2021-11-19 14:31:18,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:18,229 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 407 transitions. [2021-11-19 14:31:18,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 407 transitions. [2021-11-19 14:31:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-19 14:31:18,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:18,234 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:18,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-19 14:31:18,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:18,454 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:18,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:18,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1088443858, now seen corresponding path program 1 times [2021-11-19 14:31:18,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:18,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356628429] [2021-11-19 14:31:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:18,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:18,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:18,459 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:18,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:31:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:19,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:31:19,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 14:31:20,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-11-19 14:31:21,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:21,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356628429] [2021-11-19 14:31:21,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356628429] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:21,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:21,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-11-19 14:31:21,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133400822] [2021-11-19 14:31:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:21,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:31:21,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:31:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:31:21,408 INFO L87 Difference]: Start difference. First operand 309 states and 407 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:21,554 INFO L93 Difference]: Finished difference Result 582 states and 802 transitions. [2021-11-19 14:31:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:31:21,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 230 [2021-11-19 14:31:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:21,558 INFO L225 Difference]: With dead ends: 582 [2021-11-19 14:31:21,559 INFO L226 Difference]: Without dead ends: 309 [2021-11-19 14:31:21,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:31:21,561 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 6 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:21,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 2289 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-19 14:31:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-19 14:31:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 199 states have internal predecessors, (231), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 406 transitions. [2021-11-19 14:31:21,577 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 406 transitions. Word has length 230 [2021-11-19 14:31:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:21,578 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 406 transitions. [2021-11-19 14:31:21,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 406 transitions. [2021-11-19 14:31:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-19 14:31:21,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:21,609 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:21,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:21,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:21,810 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:21,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:21,811 INFO L85 PathProgramCache]: Analyzing trace with hash 544707022, now seen corresponding path program 1 times [2021-11-19 14:31:21,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:21,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867808729] [2021-11-19 14:31:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:21,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:21,814 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:31:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:22,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1795 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:31:22,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-19 14:31:23,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-11-19 14:31:25,116 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:25,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867808729] [2021-11-19 14:31:25,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867808729] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:25,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:25,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2021-11-19 14:31:25,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72258142] [2021-11-19 14:31:25,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:25,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:31:25,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:25,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:31:25,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:31:25,118 INFO L87 Difference]: Start difference. First operand 309 states and 406 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:25,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:25,310 INFO L93 Difference]: Finished difference Result 582 states and 800 transitions. [2021-11-19 14:31:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:31:25,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 236 [2021-11-19 14:31:25,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:25,314 INFO L225 Difference]: With dead ends: 582 [2021-11-19 14:31:25,314 INFO L226 Difference]: Without dead ends: 309 [2021-11-19 14:31:25,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:31:25,317 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 6 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:25,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 2659 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:31:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-19 14:31:25,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-19 14:31:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 197 states have (on average 1.16751269035533) internal successors, (230), 199 states have internal predecessors, (230), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 405 transitions. [2021-11-19 14:31:25,334 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 405 transitions. Word has length 236 [2021-11-19 14:31:25,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:25,334 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 405 transitions. [2021-11-19 14:31:25,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 405 transitions. [2021-11-19 14:31:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-19 14:31:25,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:25,339 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:25,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:25,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:25,554 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:25,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1919828306, now seen corresponding path program 1 times [2021-11-19 14:31:25,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:25,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616775128] [2021-11-19 14:31:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:25,556 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:25,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:25,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:25,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:31:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:31:26,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-19 14:31:27,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-19 14:31:29,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:29,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616775128] [2021-11-19 14:31:29,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616775128] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:31:29,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:31:29,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 15 [2021-11-19 14:31:29,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617581223] [2021-11-19 14:31:29,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:29,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:31:29,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:29,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:31:29,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:31:29,431 INFO L87 Difference]: Start difference. First operand 309 states and 405 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:29,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:29,817 INFO L93 Difference]: Finished difference Result 582 states and 798 transitions. [2021-11-19 14:31:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:31:29,818 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 242 [2021-11-19 14:31:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:29,822 INFO L225 Difference]: With dead ends: 582 [2021-11-19 14:31:29,822 INFO L226 Difference]: Without dead ends: 309 [2021-11-19 14:31:29,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:31:29,825 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 8 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:29,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 3034 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:31:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-19 14:31:29,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-19 14:31:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 197 states have (on average 1.1624365482233503) internal successors, (229), 199 states have internal predecessors, (229), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-19 14:31:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 404 transitions. [2021-11-19 14:31:29,843 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 404 transitions. Word has length 242 [2021-11-19 14:31:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:29,844 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 404 transitions. [2021-11-19 14:31:29,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 14:31:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 404 transitions. [2021-11-19 14:31:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-19 14:31:29,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:29,851 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:29,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:30,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:30,074 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash 364409814, now seen corresponding path program 1 times [2021-11-19 14:31:30,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:30,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181231279] [2021-11-19 14:31:30,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:30,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:30,077 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:30,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:31:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:31,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:31:31,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-19 14:31:31,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-19 14:31:32,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:32,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181231279] [2021-11-19 14:31:32,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181231279] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:31:32,392 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:31:32,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-19 14:31:32,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948541493] [2021-11-19 14:31:32,393 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:32,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:31:32,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:32,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:31:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:31:32,395 INFO L87 Difference]: Start difference. First operand 309 states and 404 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2021-11-19 14:31:32,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:32,663 INFO L93 Difference]: Finished difference Result 575 states and 758 transitions. [2021-11-19 14:31:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:31:32,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 248 [2021-11-19 14:31:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:32,669 INFO L225 Difference]: With dead ends: 575 [2021-11-19 14:31:32,669 INFO L226 Difference]: Without dead ends: 314 [2021-11-19 14:31:32,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:31:32,671 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 120 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:32,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 1308 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:31:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-11-19 14:31:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2021-11-19 14:31:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 201 states have (on average 1.164179104477612) internal successors, (234), 204 states have internal predecessors, (234), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-11-19 14:31:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 411 transitions. [2021-11-19 14:31:32,688 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 411 transitions. Word has length 248 [2021-11-19 14:31:32,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:32,689 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 411 transitions. [2021-11-19 14:31:32,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2021-11-19 14:31:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 411 transitions. [2021-11-19 14:31:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:31:32,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:32,694 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:32,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:32,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:32,918 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:32,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1015696881, now seen corresponding path program 1 times [2021-11-19 14:31:32,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:32,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343260702] [2021-11-19 14:31:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:32,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:32,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:32,921 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:32,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:31:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:34,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:31:34,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-19 14:31:34,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-19 14:31:35,193 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:35,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343260702] [2021-11-19 14:31:35,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343260702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:31:35,194 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:31:35,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2021-11-19 14:31:35,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794550495] [2021-11-19 14:31:35,194 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:35,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:31:35,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:35,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:31:35,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:31:35,195 INFO L87 Difference]: Start difference. First operand 314 states and 411 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 14:31:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:35,444 INFO L93 Difference]: Finished difference Result 586 states and 773 transitions. [2021-11-19 14:31:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:31:35,445 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 250 [2021-11-19 14:31:35,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:35,452 INFO L225 Difference]: With dead ends: 586 [2021-11-19 14:31:35,452 INFO L226 Difference]: Without dead ends: 320 [2021-11-19 14:31:35,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:31:35,455 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 4 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:35,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2203 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:31:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-11-19 14:31:35,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317. [2021-11-19 14:31:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 203 states have (on average 1.1625615763546797) internal successors, (236), 207 states have internal predecessors, (236), 88 states have call successors, (88), 23 states have call predecessors, (88), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2021-11-19 14:31:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 416 transitions. [2021-11-19 14:31:35,478 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 416 transitions. Word has length 250 [2021-11-19 14:31:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:35,479 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 416 transitions. [2021-11-19 14:31:35,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 14:31:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 416 transitions. [2021-11-19 14:31:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:31:35,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:35,482 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:31:35,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:35,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:35,710 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1433093487, now seen corresponding path program 1 times [2021-11-19 14:31:35,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:35,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283671306] [2021-11-19 14:31:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:35,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:35,714 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:35,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:31:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:36,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-19 14:31:36,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:37,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:31:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:31:38,270 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 30 treesize of output 23 [2021-11-19 14:31:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 296 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-19 14:31:43,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:49,610 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 100 treesize of output 94 [2021-11-19 14:31:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:31:50,425 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:31:50,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283671306] [2021-11-19 14:31:50,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283671306] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:31:50,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1971755407] [2021-11-19 14:31:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:50,425 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:31:50,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:31:50,437 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:31:50,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-19 14:31:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:56,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-19 14:31:56,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:57,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:31:58,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:31:58,181 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 30 treesize of output 23 [2021-11-19 14:32:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 14:32:01,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:06,004 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 100 treesize of output 94 [2021-11-19 14:32:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:32:06,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1971755407] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:32:06,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:32:06,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 20, 20] total 51 [2021-11-19 14:32:06,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648579963] [2021-11-19 14:32:06,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:06,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 14:32:06,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:06,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 14:32:06,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2326, Unknown=0, NotChecked=0, Total=2550 [2021-11-19 14:32:06,259 INFO L87 Difference]: Start difference. First operand 317 states and 416 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:32:08,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:32:10,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:32:11,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:11,599 INFO L93 Difference]: Finished difference Result 647 states and 839 transitions. [2021-11-19 14:32:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 14:32:11,601 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) Word has length 250 [2021-11-19 14:32:11,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:11,605 INFO L225 Difference]: With dead ends: 647 [2021-11-19 14:32:11,605 INFO L226 Difference]: Without dead ends: 367 [2021-11-19 14:32:11,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 909 SyntacticMatches, 38 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=234, Invalid=2418, Unknown=0, NotChecked=0, Total=2652 [2021-11-19 14:32:11,608 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 38 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3628 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 370 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:11,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 3628 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 2 Unknown, 370 Unchecked, 5.0s Time] [2021-11-19 14:32:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-19 14:32:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-11-19 14:32:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 239 states have (on average 1.1464435146443515) internal successors, (274), 243 states have internal predecessors, (274), 94 states have call successors, (94), 31 states have call predecessors, (94), 33 states have return successors, (100), 93 states have call predecessors, (100), 93 states have call successors, (100) [2021-11-19 14:32:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 468 transitions. [2021-11-19 14:32:11,629 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 468 transitions. Word has length 250 [2021-11-19 14:32:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:11,630 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 468 transitions. [2021-11-19 14:32:11,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:32:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 468 transitions. [2021-11-19 14:32:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:32:11,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:11,633 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:11,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:11,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:12,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:32:12,058 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:32:12,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:12,058 INFO L85 PathProgramCache]: Analyzing trace with hash 701126061, now seen corresponding path program 1 times [2021-11-19 14:32:12,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:12,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816882098] [2021-11-19 14:32:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:12,060 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:12,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:12,062 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:12,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 14:32:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:13,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-19 14:32:13,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:13,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:32:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:32:14,755 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 30 treesize of output 23 [2021-11-19 14:32:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 296 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-19 14:32:19,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:25,640 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 100 treesize of output 94 [2021-11-19 14:32:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:32:26,488 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:26,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816882098] [2021-11-19 14:32:26,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816882098] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:32:26,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [561823972] [2021-11-19 14:32:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:26,489 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:32:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:32:26,514 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:32:26,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-19 14:32:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:33,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-19 14:32:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:33,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:32:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:32:34,282 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 30 treesize of output 23 [2021-11-19 14:32:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 14:32:37,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:41,168 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 100 treesize of output 94 [2021-11-19 14:32:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:32:41,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [561823972] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:32:41,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:32:41,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 20, 20] total 51 [2021-11-19 14:32:41,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235340138] [2021-11-19 14:32:41,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:41,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 14:32:41,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:41,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 14:32:41,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2326, Unknown=0, NotChecked=0, Total=2550 [2021-11-19 14:32:41,404 INFO L87 Difference]: Start difference. First operand 367 states and 468 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:32:43,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:32:45,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:32:46,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:46,786 INFO L93 Difference]: Finished difference Result 643 states and 833 transitions. [2021-11-19 14:32:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 14:32:46,789 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) Word has length 250 [2021-11-19 14:32:46,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:46,793 INFO L225 Difference]: With dead ends: 643 [2021-11-19 14:32:46,793 INFO L226 Difference]: Without dead ends: 364 [2021-11-19 14:32:46,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 908 SyntacticMatches, 39 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=234, Invalid=2418, Unknown=0, NotChecked=0, Total=2652 [2021-11-19 14:32:46,797 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 33 mSDsluCounter, 4078 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 541 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:46,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 4460 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 2 Unknown, 541 Unchecked, 5.0s Time] [2021-11-19 14:32:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-19 14:32:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2021-11-19 14:32:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 236 states have (on average 1.1440677966101696) internal successors, (270), 240 states have internal predecessors, (270), 94 states have call successors, (94), 31 states have call predecessors, (94), 33 states have return successors, (100), 93 states have call predecessors, (100), 93 states have call successors, (100) [2021-11-19 14:32:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 464 transitions. [2021-11-19 14:32:46,820 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 464 transitions. Word has length 250 [2021-11-19 14:32:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:46,821 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 464 transitions. [2021-11-19 14:32:46,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:32:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 464 transitions. [2021-11-19 14:32:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:32:46,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:46,824 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:46,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:47,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:47,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:32:47,237 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:32:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash 940467313, now seen corresponding path program 1 times [2021-11-19 14:32:47,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:47,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443847683] [2021-11-19 14:32:47,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:47,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:47,240 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:47,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 14:32:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:48,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-19 14:32:48,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:48,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:32:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:32:49,500 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 30 treesize of output 23 [2021-11-19 14:32:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 296 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-19 14:32:54,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:00,501 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 100 treesize of output 94 [2021-11-19 14:33:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:33:01,273 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:01,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443847683] [2021-11-19 14:33:01,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443847683] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:33:01,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [928136423] [2021-11-19 14:33:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:01,274 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:33:01,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:33:01,282 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:33:01,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-11-19 14:33:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:08,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-19 14:33:08,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:08,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:33:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:33:09,636 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 30 treesize of output 23 [2021-11-19 14:33:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 14:33:12,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:16,833 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 100 treesize of output 94 [2021-11-19 14:33:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:33:17,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [928136423] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:33:17,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:33:17,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 20, 20] total 51 [2021-11-19 14:33:17,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624300601] [2021-11-19 14:33:17,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:17,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 14:33:17,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:17,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 14:33:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2326, Unknown=0, NotChecked=0, Total=2550 [2021-11-19 14:33:17,075 INFO L87 Difference]: Start difference. First operand 364 states and 464 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:33:19,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:20,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:20,148 INFO L93 Difference]: Finished difference Result 647 states and 838 transitions. [2021-11-19 14:33:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 14:33:20,150 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) Word has length 250 [2021-11-19 14:33:20,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:20,159 INFO L225 Difference]: With dead ends: 647 [2021-11-19 14:33:20,159 INFO L226 Difference]: Without dead ends: 367 [2021-11-19 14:33:20,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 910 SyntacticMatches, 38 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=234, Invalid=2418, Unknown=0, NotChecked=0, Total=2652 [2021-11-19 14:33:20,164 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 35 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2845 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 254 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:20,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 2845 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 1 Unknown, 254 Unchecked, 2.7s Time] [2021-11-19 14:33:20,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-19 14:33:20,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-11-19 14:33:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 239 states have (on average 1.1422594142259415) internal successors, (273), 243 states have internal predecessors, (273), 94 states have call successors, (94), 31 states have call predecessors, (94), 33 states have return successors, (100), 93 states have call predecessors, (100), 93 states have call successors, (100) [2021-11-19 14:33:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 467 transitions. [2021-11-19 14:33:20,200 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 467 transitions. Word has length 250 [2021-11-19 14:33:20,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:20,202 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 467 transitions. [2021-11-19 14:33:20,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:33:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 467 transitions. [2021-11-19 14:33:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:33:20,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:20,206 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:20,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:20,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:20,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:33:20,630 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 208499887, now seen corresponding path program 1 times [2021-11-19 14:33:20,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:20,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223076057] [2021-11-19 14:33:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:20,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:20,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:20,636 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:20,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 14:33:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:22,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-19 14:33:22,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:22,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:33:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:33:23,276 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 30 treesize of output 23 [2021-11-19 14:33:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 296 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-19 14:33:28,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:34,842 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 100 treesize of output 94 [2021-11-19 14:33:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:33:35,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:35,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223076057] [2021-11-19 14:33:35,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223076057] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:33:35,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1435475025] [2021-11-19 14:33:35,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:35,632 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:33:35,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:33:35,633 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:33:35,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-19 14:33:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:42,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-19 14:33:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:43,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:33:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:33:44,160 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 30 treesize of output 23 [2021-11-19 14:33:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 14:33:47,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:51,315 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 100 treesize of output 94 [2021-11-19 14:33:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-19 14:33:51,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1435475025] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:33:51,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:33:51,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 20, 20] total 51 [2021-11-19 14:33:51,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558432748] [2021-11-19 14:33:51,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:51,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 14:33:51,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:51,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 14:33:51,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2326, Unknown=0, NotChecked=0, Total=2550 [2021-11-19 14:33:51,581 INFO L87 Difference]: Start difference. First operand 367 states and 467 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:33:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:52,071 INFO L93 Difference]: Finished difference Result 642 states and 831 transitions. [2021-11-19 14:33:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 14:33:52,073 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) Word has length 250 [2021-11-19 14:33:52,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:52,079 INFO L225 Difference]: With dead ends: 642 [2021-11-19 14:33:52,079 INFO L226 Difference]: Without dead ends: 362 [2021-11-19 14:33:52,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 909 SyntacticMatches, 38 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=234, Invalid=2418, Unknown=0, NotChecked=0, Total=2652 [2021-11-19 14:33:52,084 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 29 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 456 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:52,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 4232 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 456 Unchecked, 0.2s Time] [2021-11-19 14:33:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-19 14:33:52,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-11-19 14:33:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 234 states have (on average 1.1452991452991452) internal successors, (268), 239 states have internal predecessors, (268), 94 states have call successors, (94), 31 states have call predecessors, (94), 33 states have return successors, (99), 92 states have call predecessors, (99), 93 states have call successors, (99) [2021-11-19 14:33:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 461 transitions. [2021-11-19 14:33:52,111 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 461 transitions. Word has length 250 [2021-11-19 14:33:52,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:52,112 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 461 transitions. [2021-11-19 14:33:52,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (29), 4 states have call predecessors, (29), 9 states have return successors, (28), 13 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-19 14:33:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 461 transitions. [2021-11-19 14:33:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-19 14:33:52,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:52,115 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:52,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:52,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:52,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:33:52,542 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:52,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:52,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1974650963, now seen corresponding path program 1 times [2021-11-19 14:33:52,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:52,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832768650] [2021-11-19 14:33:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:52,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:52,546 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:52,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 14:33:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:53,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:33:53,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-19 14:33:54,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-11-19 14:33:54,705 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:54,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832768650] [2021-11-19 14:33:54,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832768650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:54,706 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:54,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-19 14:33:54,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954667674] [2021-11-19 14:33:54,706 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:54,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:33:54,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:54,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:33:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:33:54,707 INFO L87 Difference]: Start difference. First operand 362 states and 461 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 14:33:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:54,782 INFO L93 Difference]: Finished difference Result 385 states and 485 transitions. [2021-11-19 14:33:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:33:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2021-11-19 14:33:54,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:54,784 INFO L225 Difference]: With dead ends: 385 [2021-11-19 14:33:54,784 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:33:54,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:33:54,786 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 7 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:54,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 602 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:33:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:33:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:33:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-19 14:33:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:33:54,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2021-11-19 14:33:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:54,788 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:33:54,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 14:33:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:33:54,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:33:54,791 INFO L764 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 14:33:54,791 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 14:33:54,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:55,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:55,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:33:56,706 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-19 14:33:56,706 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-11-19 14:33:56,706 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-19 14:33:56,706 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-19 14:33:56,706 INFO L861 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2021-11-19 14:33:56,706 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L854 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| (_ BitVec 64))) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (_ bv8 64)))) (or (= (_ bv0 64) .cse0) (not (= .cse0 (select .cse1 (_ bv32 64)))))))) (not (= |aws_atomic_load_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (= aws_atomic_load_ptr_explicit_~memory_order ~aws_memory_order~0~aws_memory_order_seq_cst)) [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point L8807-11(lines 8807 8808) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point L8807-6(lines 8807 8808) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point L8807-8(lines 8807 8808) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L858 garLoopResultBuilder]: For program point L8807-9(lines 8807 8808) no Hoare annotation was computed. [2021-11-19 14:33:56,707 INFO L861 garLoopResultBuilder]: At program point s_buf_belongs_to_poolENTRY(lines 8794 8809) the Hoare annotation is: true [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8800(lines 8800 8801) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8800-2(lines 8800 8805) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8809) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point s_buf_belongs_to_poolFINAL(lines 8794 8809) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8807-2(line 8807) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8807-3(line 8807) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8807-5(line 8807) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L8807(line 8807) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2021-11-19 14:33:56,708 INFO L858 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L861 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L854 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (not (= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (= |aws_atomic_store_ptr_explicit_#in~memory_order| aws_atomic_store_ptr_explicit_~memory_order) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| (_ BitVec 64))) (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) (_ bv8 64))))) [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L858 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2021-11-19 14:33:56,709 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L861 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-11-19 14:33:56,710 INFO L858 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2021-11-19 14:33:56,711 INFO L858 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2021-11-19 14:33:56,712 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2021-11-19 14:33:56,712 INFO L861 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2021-11-19 14:33:56,712 INFO L861 garLoopResultBuilder]: At program point ensure_byte_buf_has_allocated_buffer_member_in_rangeENTRY(lines 6631 6640) the Hoare annotation is: true [2021-11-19 14:33:56,712 INFO L858 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeEXIT(lines 6631 6640) no Hoare annotation was computed. [2021-11-19 14:33:56,712 INFO L861 garLoopResultBuilder]: At program point L6638(line 6638) the Hoare annotation is: true [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6639(line 6639) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L861 garLoopResultBuilder]: At program point L6634(line 6634) the Hoare annotation is: true [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6635-1(line 6635) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L861 garLoopResultBuilder]: At program point L6635(line 6635) the Hoare annotation is: true [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6639-3(line 6639) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6638-1(line 6638) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L861 garLoopResultBuilder]: At program point L6639-2(line 6639) the Hoare annotation is: true [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeFINAL(lines 6631 6640) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6632-1(line 6632) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L861 garLoopResultBuilder]: At program point L6632(line 6632) the Hoare annotation is: true [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point L6634-1(line 6634) no Hoare annotation was computed. [2021-11-19 14:33:56,713 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,714 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-19 14:33:56,714 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-19 14:33:56,714 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,722 INFO L861 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2021-11-19 14:33:56,722 INFO L858 garLoopResultBuilder]: For program point L7377-3(line 7377) no Hoare annotation was computed. [2021-11-19 14:33:56,722 INFO L858 garLoopResultBuilder]: For program point L7377-1(line 7377) no Hoare annotation was computed. [2021-11-19 14:33:56,723 INFO L858 garLoopResultBuilder]: For program point L7377(lines 7377 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,724 INFO L858 garLoopResultBuilder]: For program point L7377-7(lines 7377 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,724 INFO L858 garLoopResultBuilder]: For program point L7377-6(lines 7377 7378) no Hoare annotation was computed. [2021-11-19 14:33:56,724 INFO L858 garLoopResultBuilder]: For program point L7377-4(lines 7377 7378) no Hoare annotation was computed. [2021-11-19 14:33:56,724 INFO L858 garLoopResultBuilder]: For program point L7377-11(lines 7377 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,724 INFO L858 garLoopResultBuilder]: For program point L7377-9(lines 7377 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point aws_byte_buf_is_validFINAL(lines 7375 7381) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point L7380-2(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point L7380(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point L7380-6(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,725 INFO L858 garLoopResultBuilder]: For program point L7380-4(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,726 INFO L858 garLoopResultBuilder]: For program point L7380-3(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,726 INFO L858 garLoopResultBuilder]: For program point L7380-8(line 7380) no Hoare annotation was computed. [2021-11-19 14:33:56,726 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-19 14:33:56,726 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-19 14:33:56,726 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-19 14:33:56,727 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-19 14:33:56,727 INFO L858 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2021-11-19 14:33:56,727 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2021-11-19 14:33:56,727 INFO L858 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2021-11-19 14:33:56,727 INFO L858 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2021-11-19 14:33:56,727 INFO L854 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| (_ BitVec 64))) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (_ bv8 64)))) (or (= (_ bv0 64) .cse0) (not (= .cse0 (select .cse1 (_ bv32 64)))))))) (and (= |aws_ring_buffer_is_valid_#in~ring_buf.offset| aws_ring_buffer_is_valid_~ring_buf.offset) (= (_ bv0 64) aws_ring_buffer_is_valid_~tail~1.base) (= |aws_ring_buffer_is_valid_#in~ring_buf.base| aws_ring_buffer_is_valid_~ring_buf.base))) [2021-11-19 14:33:56,728 INFO L854 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| (_ BitVec 64))) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (_ bv8 64)))) (or (= (_ bv0 64) .cse0) (not (= .cse0 (select .cse1 (_ bv32 64)))))))) (and (= |aws_ring_buffer_is_valid_#in~ring_buf.offset| aws_ring_buffer_is_valid_~ring_buf.offset) (= |aws_ring_buffer_is_valid_#in~ring_buf.base| aws_ring_buffer_is_valid_~ring_buf.base))) [2021-11-19 14:33:56,728 INFO L858 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2021-11-19 14:33:56,728 INFO L858 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2021-11-19 14:33:56,728 INFO L858 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2021-11-19 14:33:56,728 INFO L858 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2021-11-19 14:33:56,729 INFO L858 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2021-11-19 14:33:56,729 INFO L858 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2021-11-19 14:33:56,729 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2021-11-19 14:33:56,729 INFO L854 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| (_ BitVec 64))) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (_ bv8 64)))) (or (= (_ bv0 64) .cse0) (not (= .cse0 (select .cse1 (_ bv32 64)))))))) (and (= |aws_ring_buffer_is_valid_#in~ring_buf.offset| aws_ring_buffer_is_valid_~ring_buf.offset) (= (_ bv0 64) aws_ring_buffer_is_valid_~tail~1.base) (= |aws_ring_buffer_is_valid_#in~ring_buf.base| aws_ring_buffer_is_valid_~ring_buf.base))) [2021-11-19 14:33:56,729 INFO L858 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2021-11-19 14:33:56,730 INFO L858 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2021-11-19 14:33:56,730 INFO L854 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| (_ BitVec 64))) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (_ bv8 64)))) (or (= (_ bv0 64) .cse0) (not (= .cse0 (select .cse1 (_ bv32 64)))))))) (and (= |aws_ring_buffer_is_valid_#in~ring_buf.offset| aws_ring_buffer_is_valid_~ring_buf.offset) (= |aws_ring_buffer_is_valid_#in~ring_buf.base| aws_ring_buffer_is_valid_~ring_buf.base))) [2021-11-19 14:33:56,730 INFO L858 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2021-11-19 14:33:56,730 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2021-11-19 14:33:56,730 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-11-19 14:33:56,730 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-11-19 14:33:56,731 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-11-19 14:33:56,731 INFO L861 garLoopResultBuilder]: At program point L9229(line 9229) the Hoare annotation is: true [2021-11-19 14:33:56,731 INFO L858 garLoopResultBuilder]: For program point L9230-1(line 9230) no Hoare annotation was computed. [2021-11-19 14:33:56,731 INFO L858 garLoopResultBuilder]: For program point L9229-1(line 9229) no Hoare annotation was computed. [2021-11-19 14:33:56,731 INFO L858 garLoopResultBuilder]: For program point is_middle_valid_stateFINAL(lines 9227 9232) no Hoare annotation was computed. [2021-11-19 14:33:56,732 INFO L861 garLoopResultBuilder]: At program point L9230(line 9230) the Hoare annotation is: true [2021-11-19 14:33:56,732 INFO L858 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9227 9232) no Hoare annotation was computed. [2021-11-19 14:33:56,732 INFO L861 garLoopResultBuilder]: At program point is_middle_valid_stateENTRY(lines 9227 9232) the Hoare annotation is: true [2021-11-19 14:33:56,732 INFO L854 garLoopResultBuilder]: At program point L9284-8(line 9284) the Hoare annotation is: false [2021-11-19 14:33:56,732 INFO L858 garLoopResultBuilder]: For program point L9284-9(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,732 INFO L858 garLoopResultBuilder]: For program point L6658-1(line 6658) no Hoare annotation was computed. [2021-11-19 14:33:56,733 INFO L858 garLoopResultBuilder]: For program point L9284-10(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,733 INFO L858 garLoopResultBuilder]: For program point L9218-1(line 9218) no Hoare annotation was computed. [2021-11-19 14:33:56,733 INFO L854 garLoopResultBuilder]: At program point L9284-4(line 9284) the Hoare annotation is: false [2021-11-19 14:33:56,733 INFO L858 garLoopResultBuilder]: For program point L9284-5(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,733 INFO L858 garLoopResultBuilder]: For program point L9284-6(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,733 INFO L858 garLoopResultBuilder]: For program point L9284-15(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,734 INFO L854 garLoopResultBuilder]: At program point L9268(line 9268) the Hoare annotation is: false [2021-11-19 14:33:56,734 INFO L854 garLoopResultBuilder]: At program point L9284-16(line 9284) the Hoare annotation is: false [2021-11-19 14:33:56,734 INFO L858 garLoopResultBuilder]: For program point L9268-1(line 9268) no Hoare annotation was computed. [2021-11-19 14:33:56,734 INFO L858 garLoopResultBuilder]: For program point L9284-17(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,734 INFO L858 garLoopResultBuilder]: For program point L9284-11(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,734 INFO L854 garLoopResultBuilder]: At program point L9284-13(line 9284) the Hoare annotation is: false [2021-11-19 14:33:56,735 INFO L858 garLoopResultBuilder]: For program point L9284-14(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,735 INFO L854 garLoopResultBuilder]: At program point L9219(line 9219) the Hoare annotation is: false [2021-11-19 14:33:56,735 INFO L858 garLoopResultBuilder]: For program point L9219-1(line 9219) no Hoare annotation was computed. [2021-11-19 14:33:56,736 INFO L858 garLoopResultBuilder]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2021-11-19 14:33:56,736 INFO L854 garLoopResultBuilder]: At program point L6659(line 6659) the Hoare annotation is: false [2021-11-19 14:33:56,736 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,736 INFO L854 garLoopResultBuilder]: At program point L9269(line 9269) the Hoare annotation is: false [2021-11-19 14:33:56,736 INFO L854 garLoopResultBuilder]: At program point L9269-1(line 9269) the Hoare annotation is: false [2021-11-19 14:33:56,736 INFO L858 garLoopResultBuilder]: For program point L9269-2(line 9269) no Hoare annotation was computed. [2021-11-19 14:33:56,736 INFO L854 garLoopResultBuilder]: At program point L9253(line 9253) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 (bvadd |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| (_ bv32 64))))) (and (= .cse0 (select .cse1 (bvadd (_ bv8 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|))) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) .cse0))))) [2021-11-19 14:33:56,736 INFO L858 garLoopResultBuilder]: For program point L9253-1(line 9253) no Hoare annotation was computed. [2021-11-19 14:33:56,736 INFO L854 garLoopResultBuilder]: At program point L9220(lines 9216 9221) the Hoare annotation is: false [2021-11-19 14:33:56,737 INFO L858 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2021-11-19 14:33:56,737 INFO L854 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2021-11-19 14:33:56,737 INFO L854 garLoopResultBuilder]: At program point L9254-1(line 9254) the Hoare annotation is: (and (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1| (_ bv0 8))) [2021-11-19 14:33:56,737 INFO L858 garLoopResultBuilder]: For program point L9287-2(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,737 INFO L858 garLoopResultBuilder]: For program point L9254-2(line 9254) no Hoare annotation was computed. [2021-11-19 14:33:56,737 INFO L854 garLoopResultBuilder]: At program point L9287-4(line 9287) the Hoare annotation is: false [2021-11-19 14:33:56,738 INFO L858 garLoopResultBuilder]: For program point L9287-5(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,738 INFO L854 garLoopResultBuilder]: At program point L9287(line 9287) the Hoare annotation is: false [2021-11-19 14:33:56,738 INFO L854 garLoopResultBuilder]: At program point L9254(line 9254) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 (bvadd |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| (_ bv32 64))))) (and (= .cse0 (select .cse1 (bvadd (_ bv8 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|))) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) .cse0))))) [2021-11-19 14:33:56,738 INFO L858 garLoopResultBuilder]: For program point L9287-1(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,738 INFO L858 garLoopResultBuilder]: For program point L9287-10(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,739 INFO L858 garLoopResultBuilder]: For program point L9287-11(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,739 INFO L854 garLoopResultBuilder]: At program point L9287-13(line 9287) the Hoare annotation is: false [2021-11-19 14:33:56,739 INFO L858 garLoopResultBuilder]: For program point L9287-6(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,739 INFO L854 garLoopResultBuilder]: At program point L9287-8(line 9287) the Hoare annotation is: false [2021-11-19 14:33:56,739 INFO L858 garLoopResultBuilder]: For program point L9287-9(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,739 INFO L858 garLoopResultBuilder]: For program point L9287-14(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,740 INFO L858 garLoopResultBuilder]: For program point L9287-15(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,740 INFO L854 garLoopResultBuilder]: At program point L9271(line 9271) the Hoare annotation is: false [2021-11-19 14:33:56,740 INFO L854 garLoopResultBuilder]: At program point L9287-16(line 9287) the Hoare annotation is: false [2021-11-19 14:33:56,740 INFO L858 garLoopResultBuilder]: For program point L9271-1(line 9271) no Hoare annotation was computed. [2021-11-19 14:33:56,740 INFO L858 garLoopResultBuilder]: For program point L9287-17(line 9287) no Hoare annotation was computed. [2021-11-19 14:33:56,740 INFO L854 garLoopResultBuilder]: At program point L6662(line 6662) the Hoare annotation is: false [2021-11-19 14:33:56,741 INFO L858 garLoopResultBuilder]: For program point L6662-1(lines 6645 6664) no Hoare annotation was computed. [2021-11-19 14:33:56,741 INFO L854 garLoopResultBuilder]: At program point L9272(line 9272) the Hoare annotation is: false [2021-11-19 14:33:56,741 INFO L858 garLoopResultBuilder]: For program point L9272-1(line 9272) no Hoare annotation was computed. [2021-11-19 14:33:56,741 INFO L854 garLoopResultBuilder]: At program point L9256(line 9256) the Hoare annotation is: false [2021-11-19 14:33:56,741 INFO L854 garLoopResultBuilder]: At program point L9256-1(line 9256) the Hoare annotation is: false [2021-11-19 14:33:56,741 INFO L858 garLoopResultBuilder]: For program point L9256-2(line 9256) no Hoare annotation was computed. [2021-11-19 14:33:56,742 INFO L854 garLoopResultBuilder]: At program point L9273(line 9273) the Hoare annotation is: false [2021-11-19 14:33:56,742 INFO L858 garLoopResultBuilder]: For program point L9273-1(line 9273) no Hoare annotation was computed. [2021-11-19 14:33:56,742 INFO L858 garLoopResultBuilder]: For program point L8811(lines 8811 8818) no Hoare annotation was computed. [2021-11-19 14:33:56,742 INFO L854 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 (bvadd |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| (_ bv32 64))))) (and (= .cse0 (select .cse1 (bvadd (_ bv8 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) .cse0))))) [2021-11-19 14:33:56,742 INFO L858 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2021-11-19 14:33:56,742 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,743 INFO L854 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2021-11-19 14:33:56,743 INFO L858 garLoopResultBuilder]: For program point L6648-1(lines 6648 6650) no Hoare annotation was computed. [2021-11-19 14:33:56,743 INFO L854 garLoopResultBuilder]: At program point L6648(line 6648) the Hoare annotation is: false [2021-11-19 14:33:56,743 INFO L858 garLoopResultBuilder]: For program point L9274-1(line 9274) no Hoare annotation was computed. [2021-11-19 14:33:56,743 INFO L858 garLoopResultBuilder]: For program point L6648-3(lines 6648 6650) no Hoare annotation was computed. [2021-11-19 14:33:56,744 INFO L854 garLoopResultBuilder]: At program point L8812(line 8812) the Hoare annotation is: false [2021-11-19 14:33:56,744 INFO L854 garLoopResultBuilder]: At program point L8812-1(line 8812) the Hoare annotation is: false [2021-11-19 14:33:56,744 INFO L861 garLoopResultBuilder]: At program point L9291(line 9291) the Hoare annotation is: true [2021-11-19 14:33:56,744 INFO L858 garLoopResultBuilder]: For program point L8812-2(line 8812) no Hoare annotation was computed. [2021-11-19 14:33:56,744 INFO L854 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 (bvadd |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| (_ bv32 64))))) (and (= .cse0 (select .cse1 (bvadd (_ bv8 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|))) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) .cse0))))) [2021-11-19 14:33:56,744 INFO L858 garLoopResultBuilder]: For program point L6054-1(line 6054) no Hoare annotation was computed. [2021-11-19 14:33:56,745 INFO L854 garLoopResultBuilder]: At program point L9275(lines 9275 9277) the Hoare annotation is: false [2021-11-19 14:33:56,745 INFO L858 garLoopResultBuilder]: For program point L9275-1(lines 9275 9277) no Hoare annotation was computed. [2021-11-19 14:33:56,745 INFO L858 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2021-11-19 14:33:56,745 INFO L854 garLoopResultBuilder]: At program point L8813(line 8813) the Hoare annotation is: false [2021-11-19 14:33:56,745 INFO L854 garLoopResultBuilder]: At program point L8813-1(line 8813) the Hoare annotation is: false [2021-11-19 14:33:56,745 INFO L858 garLoopResultBuilder]: For program point L8813-2(line 8813) no Hoare annotation was computed. [2021-11-19 14:33:56,746 INFO L854 garLoopResultBuilder]: At program point L6055(lines 6050 6056) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 (bvadd |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| (_ bv32 64))))) (and (= .cse0 (select .cse1 (bvadd (_ bv8 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|))) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) .cse0))))) [2021-11-19 14:33:56,746 INFO L854 garLoopResultBuilder]: At program point L6650(line 6650) the Hoare annotation is: false [2021-11-19 14:33:56,746 INFO L858 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2021-11-19 14:33:56,746 INFO L854 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,746 INFO L858 garLoopResultBuilder]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2021-11-19 14:33:56,747 INFO L854 garLoopResultBuilder]: At program point L8814-1(line 8814) the Hoare annotation is: false [2021-11-19 14:33:56,747 INFO L858 garLoopResultBuilder]: For program point L8814-2(line 8814) no Hoare annotation was computed. [2021-11-19 14:33:56,747 INFO L854 garLoopResultBuilder]: At program point L8814(line 8814) the Hoare annotation is: false [2021-11-19 14:33:56,747 INFO L854 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,747 INFO L858 garLoopResultBuilder]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2021-11-19 14:33:56,747 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,748 INFO L854 garLoopResultBuilder]: At program point L6651(line 6651) the Hoare annotation is: false [2021-11-19 14:33:56,748 INFO L858 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2021-11-19 14:33:56,748 INFO L858 garLoopResultBuilder]: For program point L8815-2(line 8815) no Hoare annotation was computed. [2021-11-19 14:33:56,748 INFO L854 garLoopResultBuilder]: At program point L8815-3(line 8815) the Hoare annotation is: false [2021-11-19 14:33:56,748 INFO L858 garLoopResultBuilder]: For program point L8815-4(line 8815) no Hoare annotation was computed. [2021-11-19 14:33:56,748 INFO L854 garLoopResultBuilder]: At program point L8815(line 8815) the Hoare annotation is: false [2021-11-19 14:33:56,749 INFO L854 garLoopResultBuilder]: At program point L8815-1(line 8815) the Hoare annotation is: false [2021-11-19 14:33:56,749 INFO L858 garLoopResultBuilder]: For program point L9278-1(lines 9278 9280) no Hoare annotation was computed. [2021-11-19 14:33:56,749 INFO L858 garLoopResultBuilder]: For program point L9245(lines 9245 9290) no Hoare annotation was computed. [2021-11-19 14:33:56,749 INFO L858 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2021-11-19 14:33:56,749 INFO L854 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,749 INFO L858 garLoopResultBuilder]: For program point L6652-1(line 6652) no Hoare annotation was computed. [2021-11-19 14:33:56,750 INFO L854 garLoopResultBuilder]: At program point L6652(line 6652) the Hoare annotation is: false [2021-11-19 14:33:56,750 INFO L854 garLoopResultBuilder]: At program point L9278(lines 9278 9280) the Hoare annotation is: false [2021-11-19 14:33:56,750 INFO L854 garLoopResultBuilder]: At program point L8816-3(line 8816) the Hoare annotation is: false [2021-11-19 14:33:56,750 INFO L854 garLoopResultBuilder]: At program point L8816-4(line 8816) the Hoare annotation is: false [2021-11-19 14:33:56,750 INFO L858 garLoopResultBuilder]: For program point L8816-1(line 8816) no Hoare annotation was computed. [2021-11-19 14:33:56,750 INFO L858 garLoopResultBuilder]: For program point L8816-2(line 8816) no Hoare annotation was computed. [2021-11-19 14:33:56,751 INFO L858 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2021-11-19 14:33:56,751 INFO L854 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,751 INFO L858 garLoopResultBuilder]: For program point L6653(lines 6653 6663) no Hoare annotation was computed. [2021-11-19 14:33:56,751 INFO L854 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2021-11-19 14:33:56,751 INFO L858 garLoopResultBuilder]: For program point L8817-1(line 8817) no Hoare annotation was computed. [2021-11-19 14:33:56,751 INFO L854 garLoopResultBuilder]: At program point L6654(line 6654) the Hoare annotation is: false [2021-11-19 14:33:56,752 INFO L854 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,752 INFO L854 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,752 INFO L858 garLoopResultBuilder]: For program point L6654-1(lines 6654 6660) no Hoare annotation was computed. [2021-11-19 14:33:56,752 INFO L858 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2021-11-19 14:33:56,752 INFO L858 garLoopResultBuilder]: For program point L6655-1(line 6655) no Hoare annotation was computed. [2021-11-19 14:33:56,753 INFO L854 garLoopResultBuilder]: At program point L6655(line 6655) the Hoare annotation is: false [2021-11-19 14:33:56,753 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 14:33:56,753 INFO L854 garLoopResultBuilder]: At program point L9281(line 9281) the Hoare annotation is: false [2021-11-19 14:33:56,753 INFO L858 garLoopResultBuilder]: For program point L9281-1(line 9281) no Hoare annotation was computed. [2021-11-19 14:33:56,753 INFO L854 garLoopResultBuilder]: At program point L9265(line 9265) the Hoare annotation is: false [2021-11-19 14:33:56,753 INFO L858 garLoopResultBuilder]: For program point L9265-1(line 9265) no Hoare annotation was computed. [2021-11-19 14:33:56,753 INFO L854 garLoopResultBuilder]: At program point L9282(line 9282) the Hoare annotation is: false [2021-11-19 14:33:56,754 INFO L858 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2021-11-19 14:33:56,754 INFO L854 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,754 INFO L858 garLoopResultBuilder]: For program point L6656-1(line 6656) no Hoare annotation was computed. [2021-11-19 14:33:56,754 INFO L854 garLoopResultBuilder]: At program point L6656(line 6656) the Hoare annotation is: false [2021-11-19 14:33:56,754 INFO L858 garLoopResultBuilder]: For program point L9282-1(line 9282) no Hoare annotation was computed. [2021-11-19 14:33:56,754 INFO L854 garLoopResultBuilder]: At program point L9266(line 9266) the Hoare annotation is: false [2021-11-19 14:33:56,755 INFO L858 garLoopResultBuilder]: For program point L9266-1(line 9266) no Hoare annotation was computed. [2021-11-19 14:33:56,755 INFO L858 garLoopResultBuilder]: For program point L9283(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,755 INFO L854 garLoopResultBuilder]: At program point L9283-6(line 9283) the Hoare annotation is: false [2021-11-19 14:33:56,755 INFO L858 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2021-11-19 14:33:56,755 INFO L858 garLoopResultBuilder]: For program point L9283-7(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,756 INFO L854 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) (= (_ bv0 64) |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (bvadd |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| (_ bv8 64))))) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset|)) [2021-11-19 14:33:56,756 INFO L858 garLoopResultBuilder]: For program point L9283-8(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,756 INFO L854 garLoopResultBuilder]: At program point L9283-9(line 9283) the Hoare annotation is: false [2021-11-19 14:33:56,756 INFO L854 garLoopResultBuilder]: At program point L9283-2(line 9283) the Hoare annotation is: false [2021-11-19 14:33:56,756 INFO L858 garLoopResultBuilder]: For program point L9283-3(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,756 INFO L858 garLoopResultBuilder]: For program point L9283-4(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,756 INFO L854 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2021-11-19 14:33:56,757 INFO L858 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2021-11-19 14:33:56,757 INFO L858 garLoopResultBuilder]: For program point L9283-10(line 9283) no Hoare annotation was computed. [2021-11-19 14:33:56,757 INFO L854 garLoopResultBuilder]: At program point L9284(line 9284) the Hoare annotation is: false [2021-11-19 14:33:56,757 INFO L858 garLoopResultBuilder]: For program point L9284-1(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,757 INFO L854 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2021-11-19 14:33:56,757 INFO L858 garLoopResultBuilder]: For program point L9284-2(line 9284) no Hoare annotation was computed. [2021-11-19 14:33:56,758 INFO L854 garLoopResultBuilder]: At program point L6658(line 6658) the Hoare annotation is: false [2021-11-19 14:33:56,758 INFO L858 garLoopResultBuilder]: For program point is_empty_stateEXIT(lines 9205 9210) no Hoare annotation was computed. [2021-11-19 14:33:56,758 INFO L861 garLoopResultBuilder]: At program point L9208(line 9208) the Hoare annotation is: true [2021-11-19 14:33:56,758 INFO L861 garLoopResultBuilder]: At program point L9207(line 9207) the Hoare annotation is: true [2021-11-19 14:33:56,758 INFO L858 garLoopResultBuilder]: For program point L9208-1(line 9208) no Hoare annotation was computed. [2021-11-19 14:33:56,758 INFO L861 garLoopResultBuilder]: At program point is_empty_stateENTRY(lines 9205 9210) the Hoare annotation is: true [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point L9207-1(line 9207) no Hoare annotation was computed. [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point is_empty_stateFINAL(lines 9205 9210) no Hoare annotation was computed. [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-19 14:33:56,759 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-19 14:33:56,759 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-19 14:33:56,760 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-19 14:33:56,760 INFO L858 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9238 9243) no Hoare annotation was computed. [2021-11-19 14:33:56,760 INFO L861 garLoopResultBuilder]: At program point is_ends_valid_stateENTRY(lines 9238 9243) the Hoare annotation is: true [2021-11-19 14:33:56,760 INFO L858 garLoopResultBuilder]: For program point is_ends_valid_stateFINAL(lines 9238 9243) no Hoare annotation was computed. [2021-11-19 14:33:56,760 INFO L861 garLoopResultBuilder]: At program point L9241(line 9241) the Hoare annotation is: true [2021-11-19 14:33:56,760 INFO L861 garLoopResultBuilder]: At program point L9240(line 9240) the Hoare annotation is: true [2021-11-19 14:33:56,761 INFO L858 garLoopResultBuilder]: For program point L9241-1(line 9241) no Hoare annotation was computed. [2021-11-19 14:33:56,761 INFO L858 garLoopResultBuilder]: For program point L9240-1(line 9240) no Hoare annotation was computed. [2021-11-19 14:33:56,764 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:56,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:33:56,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,779 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:56,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:33:56 BoogieIcfgContainer [2021-11-19 14:33:56,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:33:56,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:33:56,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:33:56,783 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:33:56,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:56" (3/4) ... [2021-11-19 14:33:56,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:33:56,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2021-11-19 14:33:56,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2021-11-19 14:33:56,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-19 14:33:56,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2021-11-19 14:33:56,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_empty_state [2021-11-19 14:33:56,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 14:33:56,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2021-11-19 14:33:56,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2021-11-19 14:33:56,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2021-11-19 14:33:56,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2021-11-19 14:33:56,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-11-19 14:33:56,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-19 14:33:56,858 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-19 14:33:56,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-19 14:33:56,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:33:56,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:33:56,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:33:57,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:33:57,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:33:57,846 INFO L158 Benchmark]: Toolchain (without parser) took 190970.17ms. Allocated memory was 60.8MB in the beginning and 283.1MB in the end (delta: 222.3MB). Free memory was 30.9MB in the beginning and 151.9MB in the end (delta: -121.0MB). Peak memory consumption was 223.6MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,846 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:33:57,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4051.05ms. Allocated memory was 60.8MB in the beginning and 142.6MB in the end (delta: 81.8MB). Free memory was 30.8MB in the beginning and 66.1MB in the end (delta: -35.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.71ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 83.9MB in the end (delta: -17.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,848 INFO L158 Benchmark]: Boogie Preprocessor took 190.11ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 74.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,851 INFO L158 Benchmark]: RCFGBuilder took 5171.00ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 74.2MB in the beginning and 105.2MB in the end (delta: -30.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,852 INFO L158 Benchmark]: TraceAbstraction took 180244.88ms. Allocated memory was 186.6MB in the beginning and 283.1MB in the end (delta: 96.5MB). Free memory was 104.1MB in the beginning and 182.7MB in the end (delta: -78.6MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,852 INFO L158 Benchmark]: Witness Printer took 1063.49ms. Allocated memory is still 283.1MB. Free memory was 182.7MB in the beginning and 151.9MB in the end (delta: 30.8MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2021-11-19 14:33:57,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4051.05ms. Allocated memory was 60.8MB in the beginning and 142.6MB in the end (delta: 81.8MB). Free memory was 30.8MB in the beginning and 66.1MB in the end (delta: -35.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 239.71ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 83.9MB in the end (delta: -17.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.11ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 74.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5171.00ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 74.2MB in the beginning and 105.2MB in the end (delta: -30.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * TraceAbstraction took 180244.88ms. Allocated memory was 186.6MB in the beginning and 283.1MB in the end (delta: 96.5MB). Free memory was 104.1MB in the beginning and 182.7MB in the end (delta: -78.6MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. * Witness Printer took 1063.49ms. Allocated memory is still 283.1MB. Free memory was 182.7MB in the beginning and 151.9MB in the end (delta: 30.8MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 300 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 180.2s, OverallIterations: 18, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 473 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 44084 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1621 IncrementalHoareTripleChecker+Unchecked, 37453 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1306 IncrementalHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 6631 mSDtfsCounter, 1306 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8443 GetRequests, 7946 SyntacticMatches, 153 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5808 ImplicationChecksByTransitivity, 46.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=367occurred in iteration=14, InterpolantAutomatonStates: 206, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 17 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 111 LocationsWithAnnotation, 2593 PreInvPairs, 2609 NumberOfFragments, 609 HoareAnnotationTreeSize, 2593 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 111 FomulaSimplificationsInter, 2488 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 40.8s SatisfiabilityAnalysisTime, 109.7s InterpolantComputationTime, 4219 NumberOfCodeBlocks, 4219 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8394 ConstructedInterpolants, 1296 QuantifiedInterpolants, 43830 SizeOfPredicates, 239 NumberOfNonLiveVariables, 37355 ConjunctsInSsa, 390 ConjunctsInUnsatCore, 44 InterpolantComputations, 23 PerfectInterpolantSequences, 12422/12830 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6050]: Loop Invariant [2021-11-19 14:33:57,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:57,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:57,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:57,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:57,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 14:33:57,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((#memory_$Pointer$[ring_buf][~bvadd16(ring_buf, 32bv64)] == #memory_$Pointer$[ring_buf][~bvadd16(8bv64, ring_buf)] && !(0bv64 == ring_buf)) && 0bv64 == ring_buf) && !(0bv64 == #memory_$Pointer$[ring_buf][~bvadd16(ring_buf, 32bv64)]) RESULT: Ultimate proved your program to be correct! [2021-11-19 14:33:57,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a438a7-5d8b-4a57-841c-31212bf8e0bf/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE