./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:13,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:13,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:13,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:13,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:13,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:13,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:13,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:13,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:13,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:13,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:13,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:13,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:13,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:13,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:13,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:13,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:13,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:13,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:13,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:13,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:13,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:13,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:13,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:13,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:13,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:13,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:13,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:13,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:13,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:13,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:13,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:13,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:13,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:13,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:13,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:13,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:13,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:13,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:13,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:13,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:13,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:22:13,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:13,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:13,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:13,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:13,439 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:13,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:13,439 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:13,439 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:22:13,439 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:13,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:13,440 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:22:13,440 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:22:13,440 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:13,440 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:22:13,440 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:22:13,440 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:22:13,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:13,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:13,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:13,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:13,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:13,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:13,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:13,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:13,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:13,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:13,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:13,444 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:22:13,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:22:13,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:13,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:13,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:13,445 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_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 [2021-11-12 23:22:13,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:22:13,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:22:13,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:22:13,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:22:13,768 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:22:13,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-12 23:22:13,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/0b5f4d45e/c8cb935c138d4909ab5489767f98ad67/FLAGf8d32170b [2021-11-12 23:22:14,812 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:22:14,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-12 23:22:14,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/0b5f4d45e/c8cb935c138d4909ab5489767f98ad67/FLAGf8d32170b [2021-11-12 23:22:15,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/0b5f4d45e/c8cb935c138d4909ab5489767f98ad67 [2021-11-12 23:22:15,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:22:15,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:22:15,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:15,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:22:15,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:22:15,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:15" (1/1) ... [2021-11-12 23:22:15,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9ff469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:15, skipping insertion in model container [2021-11-12 23:22:15,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:15" (1/1) ... [2021-11-12 23:22:15,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:22:15,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:22:15,758 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2021-11-12 23:22:15,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2021-11-12 23:22:15,800 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:22:15,806 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:22:17,093 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,094 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,096 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,098 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,131 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,132 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,146 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:17,579 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:22:17,580 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:22:17,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:22:17,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:22:17,583 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:22:17,584 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:22:17,585 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:22:17,585 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:22:17,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:22:17,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:22:17,809 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:22:18,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,141 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,141 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,147 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,148 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,162 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,164 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,164 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:18,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:18,263 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:22:18,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16233054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:18, skipping insertion in model container [2021-11-12 23:22:18,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:18,265 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:22:18,267 INFO L158 Benchmark]: Toolchain (without parser) took 3029.19ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 87.1MB in the beginning and 55.8MB in the end (delta: 31.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-12 23:22:18,268 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 77.5MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:22:18,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3023.92ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 86.8MB in the beginning and 55.8MB in the end (delta: 31.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-12 23:22:18,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 77.5MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3023.92ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 86.8MB in the beginning and 55.8MB in the end (delta: 31.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7051]: 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_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:20,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:20,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:20,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:20,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:20,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:20,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:20,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:20,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:20,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:20,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:20,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:20,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:20,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:20,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:20,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:20,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:20,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:20,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:20,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:20,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:20,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:20,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:20,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:20,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:20,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:20,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:20,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:20,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:20,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:20,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:20,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:20,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:20,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:20,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:20,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:20,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:20,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:20,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:20,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:20,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:20,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:22:20,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:20,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:20,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:20,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:20,742 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:20,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:20,742 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:20,742 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:20,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:20,743 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:20,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:20,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:20,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:20,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:20,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:20,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:20,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:22:20,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:22:20,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:20,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:20,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:20,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:20,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:22:20,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:20,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:20,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:20,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:20,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:20,749 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:22:20,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:22:20,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:20,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:20,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:20,750 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_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 [2021-11-12 23:22:21,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:22:21,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:22:21,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:22:21,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:22:21,142 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:22:21,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-12 23:22:21,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/e7de4af2d/420648795b4f458a865677ecc7cb965d/FLAG939ed80d9 [2021-11-12 23:22:22,225 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:22:22,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-12 23:22:22,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/e7de4af2d/420648795b4f458a865677ecc7cb965d/FLAG939ed80d9 [2021-11-12 23:22:22,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/data/e7de4af2d/420648795b4f458a865677ecc7cb965d [2021-11-12 23:22:22,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:22:22,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:22:22,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:22,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:22:22,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:22:22,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:22" (1/1) ... [2021-11-12 23:22:22,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a43030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:22, skipping insertion in model container [2021-11-12 23:22:22,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:22" (1/1) ... [2021-11-12 23:22:22,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:22:22,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:22:23,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2021-11-12 23:22:23,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2021-11-12 23:22:23,207 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:22:23,213 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:22:24,318 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,340 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,340 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,344 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:24,789 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:22:24,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:22:24,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:22:24,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:22:24,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:22:24,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:22:24,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:22:24,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:22:24,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:22:24,798 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:22:24,969 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:22:25,440 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,441 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,464 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,465 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,471 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,486 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:25,571 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:22:25,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:22:25,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2021-11-12 23:22:25,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2021-11-12 23:22:25,703 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:22:25,704 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:22:25,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,763 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,818 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:22:25,820 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:22:25,820 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:22:25,822 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:22:25,823 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:22:25,823 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:22:25,824 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:22:25,825 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:22:25,825 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:22:25,825 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:22:25,859 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:22:25,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:25,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,019 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,038 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,039 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:26,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:22:26,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2021-11-12 23:22:26,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2021-11-12 23:22:26,167 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:22:26,168 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:22:26,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,199 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,199 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,204 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,205 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,206 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,206 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,207 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,207 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,208 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,208 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:22:26,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:22:26,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:22:26,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:22:26,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:22:26,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:22:26,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:22:26,284 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:22:26,284 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:22:26,284 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:22:26,307 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:22:26,417 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,429 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,430 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,434 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,447 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,447 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:22:26,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:26,855 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:22:26,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26 WrapperNode [2021-11-12 23:22:26,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:26,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:22:26,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:22:26,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:22:26,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:22:27,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:22:27,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:22:27,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:22:27,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:22:27,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:22:27,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:22:27,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:22:27,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (1/1) ... [2021-11-12 23:22:27,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:22:27,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:22:27,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:22:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-12 23:22:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-12 23:22:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-12 23:22:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:22:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:22:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-12 23:22:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-12 23:22:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:22:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:22:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:22:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:22:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:22:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:22:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-12 23:22:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-12 23:22:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-12 23:22:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:22:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:22:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:22:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-12 23:22:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-12 23:22:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-12 23:22:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:22:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 23:22:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 23:22:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-12 23:22:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-12 23:22:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:22:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:22:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:22:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:22:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-12 23:22:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-12 23:22:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:22:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:22:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:22:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:22:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2021-11-12 23:22:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2021-11-12 23:22:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:22:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:22:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2021-11-12 23:22:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2021-11-12 23:22:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-11-12 23:22:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-11-12 23:22:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:22:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:22:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-12 23:22:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-12 23:22:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:22:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-12 23:22:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-12 23:22:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-12 23:22:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-12 23:22:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-11-12 23:22:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-11-12 23:22:30,342 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-11-12 23:22:30,343 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-11-12 23:22:43,573 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2021-11-12 23:22:43,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:22:43,612 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-12 23:22:43,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:22:43 BoogieIcfgContainer [2021-11-12 23:22:43,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:22:43,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:22:43,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:22:43,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:22:43,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:22:22" (1/3) ... [2021-11-12 23:22:43,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2729a222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:22:43, skipping insertion in model container [2021-11-12 23:22:43,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:26" (2/3) ... [2021-11-12 23:22:43,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2729a222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:22:43, skipping insertion in model container [2021-11-12 23:22:43,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:22:43" (3/3) ... [2021-11-12 23:22:43,626 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2021-11-12 23:22:43,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:22:43,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:22:43,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:22:43,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:22:43,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:22:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 169 states have (on average 1.2840236686390532) internal successors, (217), 166 states have internal predecessors, (217), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2021-11-12 23:22:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-12 23:22:43,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:43,756 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:43,757 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:22:43,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1301326359, now seen corresponding path program 1 times [2021-11-12 23:22:43,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:43,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799435905] [2021-11-12 23:22:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:43,784 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:43,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:43,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:43,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:22:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:47,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:22:47,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-12 23:22:48,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-12 23:22:48,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:48,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799435905] [2021-11-12 23:22:48,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799435905] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:22:48,575 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:22:48,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:22:48,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901748801] [2021-11-12 23:22:48,578 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:22:48,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:22:48,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:22:48,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:22:48,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:22:48,631 INFO L87 Difference]: Start difference. First operand has 257 states, 169 states have (on average 1.2840236686390532) internal successors, (217), 166 states have internal predecessors, (217), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-12 23:22:48,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:48,702 INFO L93 Difference]: Finished difference Result 505 states and 745 transitions. [2021-11-12 23:22:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:22:48,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2021-11-12 23:22:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:48,717 INFO L225 Difference]: With dead ends: 505 [2021-11-12 23:22:48,717 INFO L226 Difference]: Without dead ends: 251 [2021-11-12 23:22:48,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:22:48,728 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:48,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 4.24ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:22:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-11-12 23:22:48,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-11-12 23:22:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 160 states have (on average 1.24375) internal successors, (199), 161 states have internal predecessors, (199), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2021-11-12 23:22:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2021-11-12 23:22:48,796 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 118 [2021-11-12 23:22:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:48,796 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2021-11-12 23:22:48,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-12 23:22:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2021-11-12 23:22:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-12 23:22:48,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:48,801 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:48,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:49,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:22:49,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:22:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:49,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1388905434, now seen corresponding path program 1 times [2021-11-12 23:22:49,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:49,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34997727] [2021-11-12 23:22:49,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:49,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:49,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:49,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:49,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:22:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:53,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:22:53,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-12 23:22:53,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-12 23:22:54,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:54,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34997727] [2021-11-12 23:22:54,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34997727] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:22:54,170 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:22:54,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:22:54,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058945314] [2021-11-12 23:22:54,171 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:22:54,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:22:54,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:22:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:22:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:22:54,178 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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) [2021-11-12 23:22:54,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:54,335 INFO L93 Difference]: Finished difference Result 463 states and 634 transitions. [2021-11-12 23:22:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:22:54,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 124 [2021-11-12 23:22:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:54,342 INFO L225 Difference]: With dead ends: 463 [2021-11-12 23:22:54,342 INFO L226 Difference]: Without dead ends: 255 [2021-11-12 23:22:54,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:22:54,350 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 2 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:54,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1348 Invalid, 11 Unknown, 0 Unchecked, 18.01ms Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 54.29ms Time] [2021-11-12 23:22:54,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-12 23:22:54,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-12 23:22:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 163 states have (on average 1.2392638036809815) internal successors, (202), 164 states have internal predecessors, (202), 71 states have call successors, (71), 19 states have call predecessors, (71), 20 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2021-11-12 23:22:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 344 transitions. [2021-11-12 23:22:54,390 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 344 transitions. Word has length 124 [2021-11-12 23:22:54,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:54,393 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 344 transitions. [2021-11-12 23:22:54,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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) [2021-11-12 23:22:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2021-11-12 23:22:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-12 23:22:54,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:54,406 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:54,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:54,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:22:54,606 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:22:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:54,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1368164266, now seen corresponding path program 1 times [2021-11-12 23:22:54,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:54,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544340692] [2021-11-12 23:22:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:54,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:54,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:54,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:54,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:22:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:58,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1735 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:22:58,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-12 23:22:58,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-12 23:22:59,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:59,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544340692] [2021-11-12 23:22:59,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544340692] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:22:59,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:22:59,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-12 23:22:59,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21095606] [2021-11-12 23:22:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:22:59,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:22:59,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:22:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:22:59,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:22:59,380 INFO L87 Difference]: Start difference. First operand 255 states and 344 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:22:59,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:59,793 INFO L93 Difference]: Finished difference Result 463 states and 633 transitions. [2021-11-12 23:22:59,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:22:59,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2021-11-12 23:22:59,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:59,797 INFO L225 Difference]: With dead ends: 463 [2021-11-12 23:22:59,797 INFO L226 Difference]: Without dead ends: 255 [2021-11-12 23:22:59,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:22:59,799 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 2 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 300.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.93ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 355.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:59,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1553 Invalid, 141 Unknown, 0 Unchecked, 8.93ms Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 355.20ms Time] [2021-11-12 23:22:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-12 23:22:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 251. [2021-11-12 23:22:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 160 states have (on average 1.23125) internal successors, (197), 161 states have internal predecessors, (197), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2021-11-12 23:22:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 338 transitions. [2021-11-12 23:22:59,823 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 338 transitions. Word has length 130 [2021-11-12 23:22:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:59,823 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 338 transitions. [2021-11-12 23:22:59,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:22:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 338 transitions. [2021-11-12 23:22:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-12 23:22:59,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:59,826 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:59,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:00,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:00,051 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:00,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:00,051 INFO L85 PathProgramCache]: Analyzing trace with hash 726297413, now seen corresponding path program 1 times [2021-11-12 23:23:00,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:00,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883732256] [2021-11-12 23:23:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:00,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:00,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:00,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:23:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:04,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:23:04,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:04,587 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 16 treesize of output 12 [2021-11-12 23:23:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:23:05,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:06,414 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 30 treesize of output 26 [2021-11-12 23:23:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-12 23:23:06,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:06,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883732256] [2021-11-12 23:23:06,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883732256] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:06,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:23:06,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2021-11-12 23:23:06,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538685538] [2021-11-12 23:23:06,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:06,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:23:06,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:06,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:23:06,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:23:06,761 INFO L87 Difference]: Start difference. First operand 251 states and 338 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-12 23:23:08,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:11,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:12,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:12,445 INFO L93 Difference]: Finished difference Result 458 states and 626 transitions. [2021-11-12 23:23:12,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:23:12,458 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 135 [2021-11-12 23:23:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:12,462 INFO L225 Difference]: With dead ends: 458 [2021-11-12 23:23:12,462 INFO L226 Difference]: Without dead ends: 260 [2021-11-12 23:23:12,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:23:12,464 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 12 mSDsluCounter, 2156 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5406.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.36ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 155 IncrementalHoareTripleChecker+Unchecked, 5577.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:12,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 2492 Invalid, 204 Unknown, 0 Unchecked, 9.36ms Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 1 Unknown, 155 Unchecked, 5577.58ms Time] [2021-11-12 23:23:12,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-12 23:23:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2021-11-12 23:23:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 169 states have internal predecessors, (207), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (71), 70 states have call predecessors, (71), 70 states have call successors, (71) [2021-11-12 23:23:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 349 transitions. [2021-11-12 23:23:12,485 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 349 transitions. Word has length 135 [2021-11-12 23:23:12,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:12,486 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 349 transitions. [2021-11-12 23:23:12,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-12 23:23:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 349 transitions. [2021-11-12 23:23:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-12 23:23:12,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:12,488 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:12,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:12,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:12,711 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:12,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash -489856313, now seen corresponding path program 1 times [2021-11-12 23:23:12,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:12,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010466359] [2021-11-12 23:23:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:12,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:12,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:12,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:23:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:16,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:23:16,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:23:17,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-12 23:23:17,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:17,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010466359] [2021-11-12 23:23:17,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010466359] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:17,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:23:17,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-12 23:23:17,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784570443] [2021-11-12 23:23:17,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:17,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:23:17,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:23:17,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:23:17,612 INFO L87 Difference]: Start difference. First operand 260 states and 349 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:23:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:17,734 INFO L93 Difference]: Finished difference Result 462 states and 635 transitions. [2021-11-12 23:23:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:23:17,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 135 [2021-11-12 23:23:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:17,738 INFO L225 Difference]: With dead ends: 462 [2021-11-12 23:23:17,738 INFO L226 Difference]: Without dead ends: 262 [2021-11-12 23:23:17,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:23:17,740 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 79 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.43ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:17,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 887 Invalid, 25 Unknown, 0 Unchecked, 3.43ms Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 103.38ms Time] [2021-11-12 23:23:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-11-12 23:23:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2021-11-12 23:23:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 169 states have (on average 1.2248520710059172) internal successors, (207), 170 states have internal predecessors, (207), 72 states have call successors, (72), 20 states have call predecessors, (72), 20 states have return successors, (74), 71 states have call predecessors, (74), 71 states have call successors, (74) [2021-11-12 23:23:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 353 transitions. [2021-11-12 23:23:17,759 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 353 transitions. Word has length 135 [2021-11-12 23:23:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:17,759 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 353 transitions. [2021-11-12 23:23:17,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:23:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 353 transitions. [2021-11-12 23:23:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-12 23:23:17,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:17,762 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:17,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:17,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:17,963 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1306506453, now seen corresponding path program 1 times [2021-11-12 23:23:17,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:17,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992065413] [2021-11-12 23:23:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:17,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:17,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:17,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:17,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:23:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:21,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1796 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:23:21,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:22,256 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 16 treesize of output 12 [2021-11-12 23:23:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:23:23,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:24,202 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 30 treesize of output 26 [2021-11-12 23:23:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-12 23:23:24,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:24,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992065413] [2021-11-12 23:23:24,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992065413] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:24,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:23:24,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 17 [2021-11-12 23:23:24,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109741550] [2021-11-12 23:23:24,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:24,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-12 23:23:24,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:24,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-12 23:23:24,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:23:24,536 INFO L87 Difference]: Start difference. First operand 262 states and 353 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2021-11-12 23:23:26,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:30,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:30,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:30,870 INFO L93 Difference]: Finished difference Result 473 states and 648 transitions. [2021-11-12 23:23:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:23:30,870 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 141 [2021-11-12 23:23:30,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:30,873 INFO L225 Difference]: With dead ends: 473 [2021-11-12 23:23:30,873 INFO L226 Difference]: Without dead ends: 265 [2021-11-12 23:23:30,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:23:30,875 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 79 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5970.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.21ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 6194.43ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:30,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 2096 Invalid, 286 Unknown, 0 Unchecked, 8.21ms Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 1 Unknown, 150 Unchecked, 6194.43ms Time] [2021-11-12 23:23:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-11-12 23:23:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2021-11-12 23:23:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 171 states have (on average 1.2222222222222223) internal successors, (209), 172 states have internal predecessors, (209), 73 states have call successors, (73), 21 states have call predecessors, (73), 20 states have return successors, (75), 71 states have call predecessors, (75), 72 states have call successors, (75) [2021-11-12 23:23:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 357 transitions. [2021-11-12 23:23:30,894 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 357 transitions. Word has length 141 [2021-11-12 23:23:30,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:30,895 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 357 transitions. [2021-11-12 23:23:30,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2021-11-12 23:23:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 357 transitions. [2021-11-12 23:23:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-12 23:23:30,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:30,897 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:30,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:31,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:31,111 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:31,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:31,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1537136519, now seen corresponding path program 1 times [2021-11-12 23:23:31,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:31,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349835603] [2021-11-12 23:23:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:31,114 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:31,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:31,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:31,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:23:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:35,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:23:35,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:23:35,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-12 23:23:35,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:35,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349835603] [2021-11-12 23:23:35,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349835603] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:35,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:23:35,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-11-12 23:23:35,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257735333] [2021-11-12 23:23:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:35,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:23:35,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:35,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:23:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:23:35,937 INFO L87 Difference]: Start difference. First operand 265 states and 357 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-12 23:23:36,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:36,477 INFO L93 Difference]: Finished difference Result 470 states and 646 transitions. [2021-11-12 23:23:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:23:36,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 146 [2021-11-12 23:23:36,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:36,480 INFO L225 Difference]: With dead ends: 470 [2021-11-12 23:23:36,480 INFO L226 Difference]: Without dead ends: 271 [2021-11-12 23:23:36,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:23:36,482 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 2 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 454.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 490.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:36,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1863 Invalid, 169 Unknown, 0 Unchecked, 5.62ms Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 490.29ms Time] [2021-11-12 23:23:36,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-11-12 23:23:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2021-11-12 23:23:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 175 states have (on average 1.217142857142857) internal successors, (213), 178 states have internal predecessors, (213), 73 states have call successors, (73), 21 states have call predecessors, (73), 22 states have return successors, (80), 71 states have call predecessors, (80), 72 states have call successors, (80) [2021-11-12 23:23:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 366 transitions. [2021-11-12 23:23:36,501 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 366 transitions. Word has length 146 [2021-11-12 23:23:36,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:36,502 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 366 transitions. [2021-11-12 23:23:36,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-12 23:23:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 366 transitions. [2021-11-12 23:23:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-12 23:23:36,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:36,504 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:36,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:36,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:36,713 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:36,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:36,714 INFO L85 PathProgramCache]: Analyzing trace with hash -854653879, now seen corresponding path program 1 times [2021-11-12 23:23:36,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:36,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168329686] [2021-11-12 23:23:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:36,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:36,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:36,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:36,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:23:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:40,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 23:23:40,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-12 23:23:42,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-12 23:23:43,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:23:43,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168329686] [2021-11-12 23:23:43,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168329686] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:43,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:23:43,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2021-11-12 23:23:43,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520269611] [2021-11-12 23:23:43,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:43,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:23:43,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:43,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:23:43,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:23:43,007 INFO L87 Difference]: Start difference. First operand 271 states and 366 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 23:23:45,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:47,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:51,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:53,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:23:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:53,344 INFO L93 Difference]: Finished difference Result 480 states and 672 transitions. [2021-11-12 23:23:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:23:53,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 152 [2021-11-12 23:23:53,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:53,356 INFO L225 Difference]: With dead ends: 480 [2021-11-12 23:23:53,356 INFO L226 Difference]: Without dead ends: 273 [2021-11-12 23:23:53,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:23:53,359 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 7 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9724.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 117 IncrementalHoareTripleChecker+Unchecked, 9958.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:53,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1844 Invalid, 191 Unknown, 0 Unchecked, 4.43ms Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 2 Unknown, 117 Unchecked, 9958.64ms Time] [2021-11-12 23:23:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-12 23:23:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2021-11-12 23:23:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 175 states have (on average 1.217142857142857) internal successors, (213), 177 states have internal predecessors, (213), 72 states have call successors, (72), 21 states have call predecessors, (72), 22 states have return successors, (79), 71 states have call predecessors, (79), 71 states have call successors, (79) [2021-11-12 23:23:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 364 transitions. [2021-11-12 23:23:53,377 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 364 transitions. Word has length 152 [2021-11-12 23:23:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:53,378 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 364 transitions. [2021-11-12 23:23:53,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 23:23:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2021-11-12 23:23:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-12 23:23:53,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:53,381 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2021-11-12 23:23:53,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:53,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:23:53,596 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:53,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash -469235373, now seen corresponding path program 2 times [2021-11-12 23:23:53,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:23:53,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65669108] [2021-11-12 23:23:53,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:23:53,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:23:53,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:23:53,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:23:53,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5baf215-0738-44e6-81f8-e39157b24d9f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process