./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH --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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:47:42,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:47:42,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:47:42,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:47:42,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:47:42,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:47:42,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:47:42,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:47:42,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:47:42,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:47:42,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:47:42,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:47:42,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:47:42,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:47:42,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:47:42,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:47:42,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:47:42,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:47:42,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:47:42,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:47:42,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:47:42,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:47:42,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:47:42,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:47:42,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:47:42,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:47:42,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:47:42,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:47:42,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:47:42,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:47:42,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:47:42,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:47:42,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:47:42,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:47:42,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:47:42,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:47:42,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:47:42,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:47:42,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:47:42,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:47:42,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:47:42,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:47:42,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:47:42,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:47:42,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:47:42,559 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:47:42,559 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:47:42,559 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:47:42,559 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:47:42,560 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:47:42,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:47:42,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:47:42,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:47:42,567 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:47:42,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:47:42,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:47:42,568 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:47:42,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:47:42,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:47:42,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:47:42,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:47:42,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:47:42,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:47:42,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:47:42,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:47:42,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:47:42,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:47:42,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:47:42,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:47:42,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:47:42,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:47:42,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:47:42,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:47:42,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:47:42,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:47:42,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:47:42,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:47:42,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:47:42,584 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-03 03:47:42,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:47:42,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:47:42,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:47:42,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:47:42,885 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:47:42,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-03 03:47:42,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/ff79dbde3/2a8b00222e7941e7b232e369cdb002d6/FLAG58f393d58 [2021-11-03 03:47:43,747 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:47:43,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-03 03:47:43,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/ff79dbde3/2a8b00222e7941e7b232e369cdb002d6/FLAG58f393d58 [2021-11-03 03:47:44,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/ff79dbde3/2a8b00222e7941e7b232e369cdb002d6 [2021-11-03 03:47:44,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:47:44,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:47:44,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:47:44,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:47:44,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:47:44,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:44" (1/1) ... [2021-11-03 03:47:44,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b57237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:44, skipping insertion in model container [2021-11-03 03:47:44,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:44" (1/1) ... [2021-11-03 03:47:44,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:47:44,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:47:44,675 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-03 03:47:44,686 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-03 03:47:44,710 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:47:44,718 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:47:45,512 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:47:45,611 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,611 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,612 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,612 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,633 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:45,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:47:45,960 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:47:45,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:47:45,962 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:47:45,963 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:47:45,964 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:47:45,965 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:47:45,966 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:47:45,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:47:45,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:47:46,115 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:46,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:46,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:47:46,282 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) [2021-11-03 03:47:46,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a2f1d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:46, skipping insertion in model container [2021-11-03 03:47:46,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:47:46,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:47:46,286 INFO L168 Benchmark]: Toolchain (without parser) took 1983.32 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.2 MB in the beginning and 80.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:47:46,287 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:47:46,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1981.17 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.0 MB in the beginning and 80.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:47:46,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1981.17 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.0 MB in the beginning and 80.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH --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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:47:48,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:47:48,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:47:48,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:47:48,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:47:48,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:47:48,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:47:48,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:47:48,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:47:48,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:47:48,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:47:48,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:47:48,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:47:48,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:47:48,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:47:48,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:47:48,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:47:48,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:47:48,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:47:48,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:47:48,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:47:48,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:47:48,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:47:48,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:47:48,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:47:48,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:47:48,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:47:48,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:47:48,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:47:48,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:47:48,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:47:48,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:47:48,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:47:48,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:47:48,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:47:48,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:47:48,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:47:48,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:47:48,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:47:48,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:47:48,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:47:48,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:47:48,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:47:48,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:47:48,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:47:48,613 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:47:48,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:47:48,613 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:47:48,614 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:47:48,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:47:48,614 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:47:48,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:47:48,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:47:48,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:47:48,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:47:48,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:47:48,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:47:48,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:47:48,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:47:48,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:47:48,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:47:48,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:47:48,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:47:48,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:47:48,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:47:48,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:47:48,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:47:48,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:47:48,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:47:48,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:47:48,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:47:48,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:47:48,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:47:48,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:47:48,621 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-03 03:47:49,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:47:49,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:47:49,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:47:49,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:47:49,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:47:49,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-03 03:47:49,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/06471f307/4d42bb56148d45db8c7a0ac02e1d1375/FLAG833eb8a3d [2021-11-03 03:47:50,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:47:50,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-03 03:47:50,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/06471f307/4d42bb56148d45db8c7a0ac02e1d1375/FLAG833eb8a3d [2021-11-03 03:47:50,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/data/06471f307/4d42bb56148d45db8c7a0ac02e1d1375 [2021-11-03 03:47:50,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:47:50,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:47:50,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:47:50,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:47:50,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:47:50,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:50" (1/1) ... [2021-11-03 03:47:50,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23406256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:50, skipping insertion in model container [2021-11-03 03:47:50,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:50" (1/1) ... [2021-11-03 03:47:50,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:47:50,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:47:50,985 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-03 03:47:50,995 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-03 03:47:51,025 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:47:51,041 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:47:52,075 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:47:52,148 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,152 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,165 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,165 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,168 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,170 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,171 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,541 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:47:52,542 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:47:52,543 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:47:52,544 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:47:52,546 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:47:52,547 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:47:52,547 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:47:52,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:47:52,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:47:52,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:47:52,676 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,704 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:47:52,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:47:52,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:47:52,871 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-03 03:47:52,872 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-03 03:47:52,873 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:47:52,874 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:47:52,903 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:47:52,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,963 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,964 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,989 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,989 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:52,990 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,048 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:47:53,049 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:47:53,050 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:47:53,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:47:53,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:47:53,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:47:53,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:47:53,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:47:53,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:47:53,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:47:53,092 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,100 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:47:53,157 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:47:53,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-03 03:47:53,181 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_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-03 03:47:53,189 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:47:53,192 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:47:53,232 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:47:53,275 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,276 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,276 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,276 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,277 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,287 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,288 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,292 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,292 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,293 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,334 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:47:53,335 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:47:53,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:47:53,337 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:47:53,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:47:53,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:47:53,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:47:53,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:47:53,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:47:53,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:47:53,361 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:47:53,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:47:53,725 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:47:53,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53 WrapperNode [2021-11-03 03:47:53,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:47:53,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:47:53,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:47:53,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:47:53,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:53,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:53,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:47:53,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:47:53,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:47:53,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:47:53,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:53,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:47:54,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:47:54,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:47:54,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:47:54,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (1/1) ... [2021-11-03 03:47:54,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:47:54,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:47:54,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:47:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:47:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:47:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:47:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:47:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:48:08,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:48:08,716 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-03 03:48:08,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:08 BoogieIcfgContainer [2021-11-03 03:48:08,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:48:08,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:48:08,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:48:08,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:48:08,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:47:50" (1/3) ... [2021-11-03 03:48:08,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb22950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:08, skipping insertion in model container [2021-11-03 03:48:08,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:53" (2/3) ... [2021-11-03 03:48:08,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb22950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:08, skipping insertion in model container [2021-11-03 03:48:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:08" (3/3) ... [2021-11-03 03:48:08,731 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2021-11-03 03:48:08,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:48:08,737 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-03 03:48:08,794 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:48:08,811 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 [2021-11-03 03:48:08,812 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-03 03:48:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 119 states have (on average 1.4453781512605042) internal successors, (172), 128 states have internal predecessors, (172), 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) [2021-11-03 03:48:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 03:48:08,838 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:08,839 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] [2021-11-03 03:48:08,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1447700352, now seen corresponding path program 1 times [2021-11-03 03:48:08,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:08,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037535990] [2021-11-03 03:48:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:08,868 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:08,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:08,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:08,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:48:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:12,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:48:12,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:13,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:13,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:13,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037535990] [2021-11-03 03:48:13,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037535990] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:13,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:48:13,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:48:13,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089295043] [2021-11-03 03:48:13,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:48:13,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:13,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:48:13,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:48:13,236 INFO L87 Difference]: Start difference. First operand has 129 states, 119 states have (on average 1.4453781512605042) internal successors, (172), 128 states have internal predecessors, (172), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-03 03:48:13,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:13,263 INFO L93 Difference]: Finished difference Result 254 states and 339 transitions. [2021-11-03 03:48:13,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:48:13,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-11-03 03:48:13,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:13,277 INFO L225 Difference]: With dead ends: 254 [2021-11-03 03:48:13,277 INFO L226 Difference]: Without dead ends: 122 [2021-11-03 03:48:13,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:48:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-03 03:48:13,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-03 03:48:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 121 states have internal predecessors, (143), 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) [2021-11-03 03:48:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2021-11-03 03:48:13,338 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 25 [2021-11-03 03:48:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:13,339 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2021-11-03 03:48:13,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-03 03:48:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2021-11-03 03:48:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:48:13,342 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:13,343 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] [2021-11-03 03:48:13,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:13,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:48:13,544 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:13,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1187359242, now seen corresponding path program 1 times [2021-11-03 03:48:13,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:13,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532584412] [2021-11-03 03:48:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:13,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:13,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:13,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:13,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:48:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:17,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:48:17,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:17,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:17,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:17,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532584412] [2021-11-03 03:48:17,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532584412] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:17,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:48:17,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:48:17,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629063280] [2021-11-03 03:48:17,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:48:17,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:17,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:48:17,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:48:17,635 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-11-03 03:48:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:17,690 INFO L93 Difference]: Finished difference Result 232 states and 275 transitions. [2021-11-03 03:48:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:48:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 28 [2021-11-03 03:48:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:17,693 INFO L225 Difference]: With dead ends: 232 [2021-11-03 03:48:17,693 INFO L226 Difference]: Without dead ends: 124 [2021-11-03 03:48:17,694 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:48:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-03 03:48:17,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-03 03:48:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 123 states have internal predecessors, (145), 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) [2021-11-03 03:48:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2021-11-03 03:48:17,704 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 28 [2021-11-03 03:48:17,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:17,704 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2021-11-03 03:48:17,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-11-03 03:48:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2021-11-03 03:48:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:48:17,706 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:17,706 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:17,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:17,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:48:17,913 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:17,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:17,913 INFO L85 PathProgramCache]: Analyzing trace with hash -428375114, now seen corresponding path program 1 times [2021-11-03 03:48:17,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:17,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645579215] [2021-11-03 03:48:17,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:17,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:17,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:17,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:17,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:48:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:21,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:21,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:22,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:22,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:22,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645579215] [2021-11-03 03:48:22,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645579215] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:22,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1405105327] [2021-11-03 03:48:22,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:22,405 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:48:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:48:22,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:48:22,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-03 03:48:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:24,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:48:24,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:48:24,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:48:24,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1405105327] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:24,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 03:48:24,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-11-03 03:48:24,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385228660] [2021-11-03 03:48:24,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:48:24,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:24,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:48:24,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:48:24,363 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-03 03:48:24,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:24,718 INFO L93 Difference]: Finished difference Result 270 states and 316 transitions. [2021-11-03 03:48:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:48:24,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 30 [2021-11-03 03:48:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:24,730 INFO L225 Difference]: With dead ends: 270 [2021-11-03 03:48:24,730 INFO L226 Difference]: Without dead ends: 217 [2021-11-03 03:48:24,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-03 03:48:24,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-03 03:48:24,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 127. [2021-11-03 03:48:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 126 states have internal predecessors, (148), 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) [2021-11-03 03:48:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2021-11-03 03:48:24,742 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 30 [2021-11-03 03:48:24,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:24,743 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2021-11-03 03:48:24,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-03 03:48:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2021-11-03 03:48:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:48:24,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:24,745 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:24,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-11-03 03:48:24,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:25,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:48:25,153 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:25,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:25,153 INFO L85 PathProgramCache]: Analyzing trace with hash -787499658, now seen corresponding path program 1 times [2021-11-03 03:48:25,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:25,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054962138] [2021-11-03 03:48:25,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:25,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:25,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:25,159 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:25,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:48:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:28,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:28,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:29,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:29,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:29,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054962138] [2021-11-03 03:48:29,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054962138] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:29,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [887096603] [2021-11-03 03:48:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:29,422 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:48:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:48:29,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:48:29,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-03 03:48:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:33,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:33,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:33,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:33,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [887096603] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:33,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871426384] [2021-11-03 03:48:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:33,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:48:33,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:48:33,404 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:48:33,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 03:48:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:34,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 03:48:34,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:48:35,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:48:35,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871426384] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:35,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 03:48:35,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 4] imperfect sequences [5, 5, 5, 5] total 16 [2021-11-03 03:48:35,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744664928] [2021-11-03 03:48:35,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:48:35,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:35,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:48:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2021-11-03 03:48:35,623 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 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) [2021-11-03 03:48:37,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:37,790 INFO L93 Difference]: Finished difference Result 146 states and 172 transitions. [2021-11-03 03:48:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 03:48:37,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 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 30 [2021-11-03 03:48:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:37,792 INFO L225 Difference]: With dead ends: 146 [2021-11-03 03:48:37,792 INFO L226 Difference]: Without dead ends: 144 [2021-11-03 03:48:37,793 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2021-11-03 03:48:37,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-03 03:48:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 129. [2021-11-03 03:48:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 120 states have (on average 1.25) internal successors, (150), 128 states have internal predecessors, (150), 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) [2021-11-03 03:48:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2021-11-03 03:48:37,807 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 30 [2021-11-03 03:48:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:37,807 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2021-11-03 03:48:37,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 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) [2021-11-03 03:48:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2021-11-03 03:48:37,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:48:37,809 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:37,809 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:37,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-11-03 03:48:38,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:38,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:48:38,422 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:38,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:38,423 INFO L85 PathProgramCache]: Analyzing trace with hash -787440076, now seen corresponding path program 1 times [2021-11-03 03:48:38,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:38,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399146937] [2021-11-03 03:48:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:38,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:38,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:38,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:48:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:42,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:42,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:42,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:42,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:42,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399146937] [2021-11-03 03:48:42,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399146937] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:42,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1807418041] [2021-11-03 03:48:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:42,757 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:48:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:48:42,759 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:48:42,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-03 03:48:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:46,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:46,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:46,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:46,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1807418041] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:46,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277099721] [2021-11-03 03:48:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:46,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:48:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:48:46,801 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:48:46,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 03:48:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:48,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:48:48,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:48,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:48,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277099721] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:48:48,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 03:48:48,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-11-03 03:48:48,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607500031] [2021-11-03 03:48:48,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:48:48,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:48:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:48:48,561 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-11-03 03:48:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:48,942 INFO L93 Difference]: Finished difference Result 246 states and 291 transitions. [2021-11-03 03:48:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:48:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 30 [2021-11-03 03:48:48,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:48,948 INFO L225 Difference]: With dead ends: 246 [2021-11-03 03:48:48,948 INFO L226 Difference]: Without dead ends: 133 [2021-11-03 03:48:48,949 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:48:48,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-11-03 03:48:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-11-03 03:48:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 124 states have (on average 1.2419354838709677) internal successors, (154), 132 states have internal predecessors, (154), 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) [2021-11-03 03:48:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2021-11-03 03:48:48,963 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 30 [2021-11-03 03:48:48,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:48,963 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2021-11-03 03:48:48,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-11-03 03:48:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2021-11-03 03:48:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 03:48:48,965 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:48,966 INFO L513 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:49,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:49,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:49,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:49,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 03:48:49,592 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:48:49,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:49,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1865001396, now seen corresponding path program 2 times [2021-11-03 03:48:49,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:49,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540945415] [2021-11-03 03:48:49,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 03:48:49,595 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:49,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:49,596 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:49,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21dc1-1fcf-480b-bc4f-baf5b988f2cb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process