./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:32,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:32,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:33,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:33,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:33,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:33,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:33,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:33,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:33,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:33,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:33,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:33,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:33,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:33,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:33,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:33,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:33,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:33,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:33,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:33,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:33,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:33,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:33,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:33,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:33,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:33,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:33,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:33,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:33,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:33,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:33,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:33,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:33,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:33,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:33,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:33,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:33,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:33,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:33,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:33,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:33,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:21:33,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:33,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:33,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:33,191 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:33,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:33,192 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:33,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:21:33,192 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:33,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:33,193 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:21:33,201 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:21:33,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:33,202 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:21:33,202 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:21:33,202 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:21:33,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:33,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:21:33,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:33,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:33,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:33,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:33,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:33,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:33,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:33,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:33,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:33,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:33,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:33,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:33,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:33,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:33,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:21:33,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:21:33,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:33,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:33,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:33,211 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2021-11-07 02:21:33,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:33,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:33,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:33,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:33,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:33,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-07 02:21:33,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/c199e7cb6/d3a1550b0c884ac7ab8dbab0d1c9631a/FLAG2ccf98e70 [2021-11-07 02:21:34,850 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:34,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-07 02:21:34,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/c199e7cb6/d3a1550b0c884ac7ab8dbab0d1c9631a/FLAG2ccf98e70 [2021-11-07 02:21:35,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/c199e7cb6/d3a1550b0c884ac7ab8dbab0d1c9631a [2021-11-07 02:21:35,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:35,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:35,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:35,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:35,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:35,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:35" (1/1) ... [2021-11-07 02:21:35,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e2a0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:35, skipping insertion in model container [2021-11-07 02:21:35,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:35" (1/1) ... [2021-11-07 02:21:35,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:35,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:35,744 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-07 02:21:35,753 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-07 02:21:35,783 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:21:35,800 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:21:37,029 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,049 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,050 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,052 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:37,600 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:21:37,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:21:37,603 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:21:37,604 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:21:37,606 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:21:37,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:21:37,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:21:37,608 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:21:37,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:21:37,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:21:37,829 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:21:38,359 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,420 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,420 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,449 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:38,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,575 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:21:38,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@502d65ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38, skipping insertion in model container [2021-11-07 02:21:38,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:38,577 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:21:38,580 INFO L168 Benchmark]: Toolchain (without parser) took 3363.07 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 55.7 MB in the beginning and 63.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:38,581 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 100.7 MB. Free memory was 70.8 MB in the beginning and 70.8 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:21:38,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3359.95 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 55.4 MB in the beginning and 63.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:38,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 100.7 MB. Free memory was 70.8 MB in the beginning and 70.8 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3359.95 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 55.4 MB in the beginning and 63.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:41,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:41,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:41,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:41,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:41,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:41,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:41,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:41,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:41,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:41,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:41,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:41,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:41,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:41,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:41,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:41,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:41,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:41,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:41,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:41,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:41,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:41,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:41,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:41,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:41,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:41,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:41,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:41,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:41,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:41,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:41,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:41,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:41,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:41,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:41,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:41,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:41,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:41,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:41,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:41,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:41,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:21:41,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:41,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:41,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:41,311 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:41,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:41,311 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:41,312 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:41,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:41,312 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:41,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:41,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:41,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:41,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:41,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:41,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:41,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:21:41,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:21:41,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:41,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:41,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:41,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:41,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:21:41,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:41,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:41,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:41,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:41,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:41,319 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:21:41,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:21:41,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:41,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:41,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:41,321 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2021-11-07 02:21:41,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:41,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:41,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:41,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:41,834 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:41,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-07 02:21:41,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/476d745c3/5a002cf8651449ce823bb7c7845120d6/FLAG4b83c08d1 [2021-11-07 02:21:42,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:42,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-07 02:21:43,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/476d745c3/5a002cf8651449ce823bb7c7845120d6/FLAG4b83c08d1 [2021-11-07 02:21:43,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/data/476d745c3/5a002cf8651449ce823bb7c7845120d6 [2021-11-07 02:21:43,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:43,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:43,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:43,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:43,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:43,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:43" (1/1) ... [2021-11-07 02:21:43,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53358a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:43, skipping insertion in model container [2021-11-07 02:21:43,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:43" (1/1) ... [2021-11-07 02:21:43,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:43,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:43,883 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-07 02:21:43,892 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-07 02:21:43,924 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:21:43,932 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:21:45,725 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,735 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,737 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,764 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,781 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,784 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:45,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:46,484 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:21:46,486 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:21:46,487 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:21:46,489 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:21:46,490 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:21:46,491 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:21:46,492 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:21:46,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:21:46,494 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:21:46,495 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:21:46,719 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:21:47,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,162 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,170 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,192 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,192 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:47,278 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:21:47,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:47,361 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-07 02:21:47,362 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-07 02:21:47,364 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:21:47,364 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:21:47,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,404 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,404 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,405 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,411 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,412 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,438 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,438 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,476 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:21:47,477 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:21:47,478 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:21:47,479 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:21:47,480 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:21:47,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:21:47,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:21:47,482 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:21:47,483 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:21:47,483 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:21:47,509 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:21:47,662 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,663 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,673 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,674 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,677 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,678 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,687 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,688 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,688 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,689 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,689 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,690 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,690 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:47,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:21:47,763 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-07 02:21:47,769 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_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-07 02:21:47,771 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:21:47,772 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:21:47,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,847 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,854 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,855 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,856 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,858 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,859 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,861 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,861 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:47,897 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:21:47,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:21:47,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:21:47,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:21:47,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:21:47,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:21:47,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:21:47,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:21:47,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:21:47,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:21:47,930 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:21:48,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,165 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,175 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,185 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,205 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,206 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,207 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,208 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,208 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,209 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,209 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:21:48,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:48,578 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:21:48,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48 WrapperNode [2021-11-07 02:21:48,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:48,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:48,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:21:48,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:21:48,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:48,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:21:48,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:21:48,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:21:48,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:48,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:49,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:49,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:21:49,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:21:49,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:21:49,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:21:49,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (1/1) ... [2021-11-07 02:21:49,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:49,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:21:49,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:21:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-07 02:21:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:21:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:21:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:21:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:21:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 02:21:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:21:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 02:21:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:21:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:21:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:21:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:22:03,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:22:03,824 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 02:22:03,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:22:03 BoogieIcfgContainer [2021-11-07 02:22:03,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:22:03,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:22:03,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:22:03,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:22:03,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:21:43" (1/3) ... [2021-11-07 02:22:03,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d753822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:22:03, skipping insertion in model container [2021-11-07 02:22:03,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:48" (2/3) ... [2021-11-07 02:22:03,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d753822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:22:03, skipping insertion in model container [2021-11-07 02:22:03,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:22:03" (3/3) ... [2021-11-07 02:22:03,836 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2021-11-07 02:22:03,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:22:03,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:22:03,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:22:03,903 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:22:03,903 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:22:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 87 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 02:22:03,931 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:03,932 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:03,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:03,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:03,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2070018022, now seen corresponding path program 1 times [2021-11-07 02:22:03,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:03,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132046430] [2021-11-07 02:22:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:03,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:03,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:04,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:22:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:08,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:22:08,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:08,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:08,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:08,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132046430] [2021-11-07 02:22:08,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132046430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:08,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:08,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:22:08,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628910708] [2021-11-07 02:22:08,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:22:08,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:09,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:22:09,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:22:09,029 INFO L87 Difference]: Start difference. First operand has 88 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 87 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:09,091 INFO L93 Difference]: Finished difference Result 172 states and 219 transitions. [2021-11-07 02:22:09,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:22:09,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 02:22:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:09,117 INFO L225 Difference]: With dead ends: 172 [2021-11-07 02:22:09,118 INFO L226 Difference]: Without dead ends: 82 [2021-11-07 02:22:09,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:22:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-07 02:22:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-07 02:22:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.2151898734177216) internal successors, (96), 81 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2021-11-07 02:22:09,206 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 41 [2021-11-07 02:22:09,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:09,206 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-11-07 02:22:09,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2021-11-07 02:22:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 02:22:09,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:09,226 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:09,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:09,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:09,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:09,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash 584946138, now seen corresponding path program 1 times [2021-11-07 02:22:09,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:09,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117192691] [2021-11-07 02:22:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:09,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:09,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:09,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:22:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:13,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:22:13,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:14,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:14,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:14,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117192691] [2021-11-07 02:22:14,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117192691] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:14,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:14,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:22:14,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022439933] [2021-11-07 02:22:14,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:14,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:14,493 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:14,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:14,980 INFO L93 Difference]: Finished difference Result 208 states and 244 transitions. [2021-11-07 02:22:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:22:14,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 02:22:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:14,995 INFO L225 Difference]: With dead ends: 208 [2021-11-07 02:22:14,998 INFO L226 Difference]: Without dead ends: 148 [2021-11-07 02:22:15,005 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:22:15,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-07 02:22:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 88. [2021-11-07 02:22:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 85 states have (on average 1.2) internal successors, (102), 87 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 102 transitions. [2021-11-07 02:22:15,037 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 102 transitions. Word has length 41 [2021-11-07 02:22:15,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:15,038 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 102 transitions. [2021-11-07 02:22:15,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-07 02:22:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 02:22:15,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:15,044 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:15,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:15,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:15,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:15,258 INFO L85 PathProgramCache]: Analyzing trace with hash 976385498, now seen corresponding path program 1 times [2021-11-07 02:22:15,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:15,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040152868] [2021-11-07 02:22:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:15,263 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:15,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:15,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:22:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:19,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:19,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:19,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:19,886 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:19,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040152868] [2021-11-07 02:22:19,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040152868] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:19,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:19,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-07 02:22:19,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072003087] [2021-11-07 02:22:19,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:19,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:19,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:19,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:19,890 INFO L87 Difference]: Start difference. First operand 88 states and 102 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:20,100 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2021-11-07 02:22:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:22:20,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-07 02:22:20,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:20,111 INFO L225 Difference]: With dead ends: 153 [2021-11-07 02:22:20,111 INFO L226 Difference]: Without dead ends: 88 [2021-11-07 02:22:20,112 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:20,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-07 02:22:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2021-11-07 02:22:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2021-11-07 02:22:20,121 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 45 [2021-11-07 02:22:20,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:20,122 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2021-11-07 02:22:20,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-07 02:22:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 02:22:20,125 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:20,125 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:20,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:20,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,337 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:20,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:20,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2134770700, now seen corresponding path program 1 times [2021-11-07 02:22:20,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:20,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026801749] [2021-11-07 02:22:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:20,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:20,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:22:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:24,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 02:22:24,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:25,447 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 [2021-11-07 02:22:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:25,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:25,900 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 [2021-11-07 02:22:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:26,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:26,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026801749] [2021-11-07 02:22:26,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026801749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:26,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:26,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-07 02:22:26,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920805875] [2021-11-07 02:22:26,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:26,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:26,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:26,346 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:32,874 INFO L93 Difference]: Finished difference Result 178 states and 201 transitions. [2021-11-07 02:22:32,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:22:32,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 02:22:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:32,879 INFO L225 Difference]: With dead ends: 178 [2021-11-07 02:22:32,880 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 02:22:32,880 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:22:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 02:22:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2021-11-07 02:22:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2021-11-07 02:22:32,896 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 51 [2021-11-07 02:22:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:32,897 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2021-11-07 02:22:32,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2021-11-07 02:22:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 02:22:32,900 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:32,900 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:32,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:33,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:33,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:33,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2098156982, now seen corresponding path program 1 times [2021-11-07 02:22:33,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:33,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235954463] [2021-11-07 02:22:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:33,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:33,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:33,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:22:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:37,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:37,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:37,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:38,281 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:38,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235954463] [2021-11-07 02:22:38,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235954463] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:38,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:38,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:22:38,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559774476] [2021-11-07 02:22:38,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:22:38,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:38,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:22:38,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:38,284 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:38,427 INFO L93 Difference]: Finished difference Result 178 states and 202 transitions. [2021-11-07 02:22:38,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:22:38,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 02:22:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:38,430 INFO L225 Difference]: With dead ends: 178 [2021-11-07 02:22:38,431 INFO L226 Difference]: Without dead ends: 104 [2021-11-07 02:22:38,432 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-07 02:22:38,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-07 02:22:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 101 states have (on average 1.1287128712871286) internal successors, (114), 103 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions. [2021-11-07 02:22:38,445 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 51 [2021-11-07 02:22:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:38,445 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 114 transitions. [2021-11-07 02:22:38,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2021-11-07 02:22:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 02:22:38,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:38,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:38,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 02:22:38,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:38,661 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:38,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:38,662 INFO L85 PathProgramCache]: Analyzing trace with hash 997174929, now seen corresponding path program 1 times [2021-11-07 02:22:38,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:38,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451164219] [2021-11-07 02:22:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:38,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:38,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:38,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:22:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:43,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 02:22:43,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:43,572 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 [2021-11-07 02:22:43,690 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 16 treesize of output 8 [2021-11-07 02:22:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:43,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:44,016 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 [2021-11-07 02:22:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:44,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:44,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451164219] [2021-11-07 02:22:44,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451164219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:44,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:44,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-07 02:22:44,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344749580] [2021-11-07 02:22:44,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:22:44,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:44,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:22:44,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:22:44,475 INFO L87 Difference]: Start difference. First operand 104 states and 114 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:50,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:50,540 INFO L93 Difference]: Finished difference Result 198 states and 213 transitions. [2021-11-07 02:22:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:22:50,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 02:22:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:50,544 INFO L225 Difference]: With dead ends: 198 [2021-11-07 02:22:50,544 INFO L226 Difference]: Without dead ends: 128 [2021-11-07 02:22:50,545 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:22:50,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-07 02:22:50,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 105. [2021-11-07 02:22:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2021-11-07 02:22:50,558 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 53 [2021-11-07 02:22:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:50,558 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2021-11-07 02:22:50,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-07 02:22:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:22:50,561 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:50,562 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:50,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:50,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:50,777 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:50,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1407256250, now seen corresponding path program 1 times [2021-11-07 02:22:50,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:50,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333926685] [2021-11-07 02:22:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:50,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:50,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:50,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b1f125-16ee-4563-9b9e-18ca59a18e4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:24:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:24:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-07 02:24:47,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:24:47,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 02:24:47,454 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 [2021-11-07 02:24:50,352 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 509 treesize of output 377 [2021-11-07 02:24:50,368 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 310 treesize of output 206 [2021-11-07 02:24:58,514 WARN L207 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 533 DAG size of output: 220 [2021-11-07 02:24:58,519 INFO L354 Elim1Store]: treesize reduction 5843, result has 10.6 percent of original size [2021-11-07 02:24:58,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 588 treesize of output 772