./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:10:03,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:03,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:03,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:03,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:03,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:03,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:03,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:03,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:03,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:03,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:03,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:03,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:03,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:03,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:03,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:03,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:03,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:03,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:04,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:04,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:04,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:04,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:04,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:04,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:04,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:04,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:04,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:04,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:04,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:04,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:04,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:04,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:04,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:04,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:04,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:04,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:04,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:04,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:04,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:04,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:04,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:10:04,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:04,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:04,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:04,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:04,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:10:04,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:10:04,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:04,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:04,086 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:04,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:04,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:10:04,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:04,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:10:04,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:10:04,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:10:04,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:04,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:04,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:10:04,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:04,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:04,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:10:04,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:04,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:04,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:10:04,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:10:04,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:10:04,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:10:04,091 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:10:04,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:10:04,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:10:04,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2022-11-02 21:10:04,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:04,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:04,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:04,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:04,495 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:04,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-02 21:10:04,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/data/bd8440348/330f55cd42324a828cefd4e4b29a8aa3/FLAGaf02b6397 [2022-11-02 21:10:05,373 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:05,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-02 21:10:05,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/data/bd8440348/330f55cd42324a828cefd4e4b29a8aa3/FLAGaf02b6397 [2022-11-02 21:10:05,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/data/bd8440348/330f55cd42324a828cefd4e4b29a8aa3 [2022-11-02 21:10:05,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:05,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:05,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:05,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:05,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:05,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:05" (1/1) ... [2022-11-02 21:10:05,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1704162a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:05, skipping insertion in model container [2022-11-02 21:10:05,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:05" (1/1) ... [2022-11-02 21:10:05,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:05,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:06,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-02 21:10:06,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-02 21:10:07,122 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 21:10:07,229 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,230 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,231 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,232 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,234 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,250 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,252 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,254 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,255 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,258 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,259 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,261 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,261 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,659 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 21:10:07,661 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 21:10:07,662 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 21:10:07,663 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 21:10:07,665 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 21:10:07,665 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 21:10:07,666 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 21:10:07,667 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 21:10:07,668 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 21:10:07,669 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 21:10:07,856 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,865 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:07,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:07,981 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:08,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-02 21:10:08,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-02 21:10:08,141 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 21:10:08,177 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,184 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,187 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,188 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,189 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,202 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,203 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,205 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,205 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,206 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,207 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,208 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,208 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 21:10:08,277 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 21:10:08,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 21:10:08,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 21:10:08,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 21:10:08,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 21:10:08,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 21:10:08,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 21:10:08,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 21:10:08,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 21:10:08,350 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,357 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:10:08,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:08,720 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08 WrapperNode [2022-11-02 21:10:08,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:08,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:08,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:08,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:08,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:08,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:08,941 INFO L138 Inliner]: procedures = 690, calls = 1687, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 616 [2022-11-02 21:10:08,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:08,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:08,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:08,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:08,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:08,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:08,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:08,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:09,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:09,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:09,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:09,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (1/1) ... [2022-11-02 21:10:09,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:09,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:09,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:09,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:10:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-02 21:10:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-02 21:10:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-02 21:10:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-02 21:10:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 21:10:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 21:10:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:10:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 21:10:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 21:10:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 21:10:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 21:10:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:10:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:10:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:10:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:10:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 21:10:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 21:10:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-02 21:10:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-02 21:10:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-02 21:10:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-02 21:10:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:10:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:10:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:10:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:10:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:10:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 21:10:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 21:10:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-02 21:10:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-02 21:10:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:10:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-02 21:10:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-02 21:10:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:10:09,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:10:09,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:10:10,918 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:10:10,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:10:10,938 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:10:10,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:10 BoogieIcfgContainer [2022-11-02 21:10:10,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:10:10,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:10:10,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:10:10,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:10:10,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:05" (1/3) ... [2022-11-02 21:10:10,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428d2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:10, skipping insertion in model container [2022-11-02 21:10:10,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:08" (2/3) ... [2022-11-02 21:10:10,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428d2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:10, skipping insertion in model container [2022-11-02 21:10:10,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:10" (3/3) ... [2022-11-02 21:10:10,956 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2022-11-02 21:10:10,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:10:10,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:10:11,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:10:11,108 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7df5d891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:10:11,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:10:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-02 21:10:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-02 21:10:11,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:11,135 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:11,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:11,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash -817942521, now seen corresponding path program 1 times [2022-11-02 21:10:11,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:11,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107009275] [2022-11-02 21:10:11,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:11,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:11,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:11,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107009275] [2022-11-02 21:10:11,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-02 21:10:11,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256563296] [2022-11-02 21:10:11,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:11,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:11,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:11,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:10:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 21:10:12,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-02 21:10:12,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:12,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256563296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:12,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:12,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:10:12,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258687083] [2022-11-02 21:10:12,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:12,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:10:12,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:12,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:10:12,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:10:12,754 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 21:10:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:12,821 INFO L93 Difference]: Finished difference Result 237 states and 320 transitions. [2022-11-02 21:10:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:10:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2022-11-02 21:10:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:12,840 INFO L225 Difference]: With dead ends: 237 [2022-11-02 21:10:12,841 INFO L226 Difference]: Without dead ends: 117 [2022-11-02 21:10:12,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:10:12,860 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:12,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-02 21:10:12,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-11-02 21:10:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-02 21:10:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2022-11-02 21:10:12,922 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2022-11-02 21:10:12,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:12,922 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2022-11-02 21:10:12,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 21:10:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2022-11-02 21:10:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-02 21:10:12,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:12,927 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:12,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:13,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-02 21:10:13,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:13,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1310312895, now seen corresponding path program 1 times [2022-11-02 21:10:13,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:13,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800053352] [2022-11-02 21:10:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:13,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:13,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800053352] [2022-11-02 21:10:13,434 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-02 21:10:13,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417002638] [2022-11-02 21:10:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:13,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:13,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:13,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:10:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:14,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:10:14,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 21:10:14,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:14,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417002638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:14,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:14,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:14,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93163858] [2022-11-02 21:10:14,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:14,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:14,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:14,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:14,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:14,210 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 21:10:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:14,620 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2022-11-02 21:10:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:10:14,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2022-11-02 21:10:14,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:14,628 INFO L225 Difference]: With dead ends: 199 [2022-11-02 21:10:14,629 INFO L226 Difference]: Without dead ends: 119 [2022-11-02 21:10:14,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:10:14,633 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:14,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 401 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:10:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-02 21:10:14,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-02 21:10:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2022-11-02 21:10:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2022-11-02 21:10:14,663 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2022-11-02 21:10:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:14,664 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2022-11-02 21:10:14,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 21:10:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2022-11-02 21:10:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-02 21:10:14,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:14,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:14,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:14,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-02 21:10:14,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:14,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:14,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1377860737, now seen corresponding path program 1 times [2022-11-02 21:10:14,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:14,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854218654] [2022-11-02 21:10:14,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:14,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:14,990 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:10:14,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185047671] [2022-11-02 21:10:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:14,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:14,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:14,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:14,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:10:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:10:15,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-02 21:10:15,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:15,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:15,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854218654] [2022-11-02 21:10:15,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:10:15,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185047671] [2022-11-02 21:10:15,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185047671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:15,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:15,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:10:15,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58939566] [2022-11-02 21:10:15,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:15,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:10:15,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:15,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:10:15,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:10:15,755 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-02 21:10:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:16,075 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2022-11-02 21:10:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:16,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2022-11-02 21:10:16,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:16,079 INFO L225 Difference]: With dead ends: 189 [2022-11-02 21:10:16,079 INFO L226 Difference]: Without dead ends: 117 [2022-11-02 21:10:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:10:16,080 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 170 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:16,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 487 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:10:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-02 21:10:16,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-11-02 21:10:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-02 21:10:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2022-11-02 21:10:16,097 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2022-11-02 21:10:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:16,098 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2022-11-02 21:10:16,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-02 21:10:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2022-11-02 21:10:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-02 21:10:16,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:16,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:16,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:16,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:16,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:16,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash -355007149, now seen corresponding path program 1 times [2022-11-02 21:10:16,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:16,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783618581] [2022-11-02 21:10:16,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:16,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:16,446 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:10:16,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893909813] [2022-11-02 21:10:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:16,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:16,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:16,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:16,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcf1082-5611-4ee4-af76-41c6935d943e/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 21:10:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:17,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 229 conjunts are in the unsatisfiable core [2022-11-02 21:10:17,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:17,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 21:10:18,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-02 21:10:18,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-02 21:10:18,591 INFO L356 Elim1Store]: treesize reduction 44, result has 47.0 percent of original size [2022-11-02 21:10:18,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 48 [2022-11-02 21:10:29,733 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:10:29,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 217 [2022-11-02 21:11:02,413 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_228 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_228)))) is different from true [2022-11-02 21:11:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:11:21,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:11:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:11:21,705 INFO L356 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2022-11-02 21:11:21,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 113 treesize of output 108 [2022-11-02 21:13:14,449 WARN L234 SmtUtils]: Spent 13.63s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 21:13:20,669 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:13:20,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 257 treesize of output 355 [2022-11-02 21:13:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 62 refuted. 4 times theorem prover too weak. 20 trivial. 6 not checked. [2022-11-02 21:13:22,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:13:35,093 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_aws_array_list_capacity_~list#1.offset| 24))) (let ((.cse4 (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_capacity_~list#1.base|))) (* (select .cse5 .cse1) (select .cse5 (+ |c_ULTIMATE.start_aws_array_list_capacity_~list#1.offset| 16)))))) (let ((.cse2 (mod .cse4 18446744073709551616)) (.cse3 (+ |c_ULTIMATE.start_aws_array_list_capacity_~list#1.offset| 8))) (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) 0 .cse4)) |c_ULTIMATE.start_aws_array_list_capacity_~list#1.base|))) (or (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (not (<= .cse2 (mod (select .cse0 .cse3) 18446744073709551616)))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| Int)) (<= .cse2 (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) 0 .cse4)) |c_ULTIMATE.start_aws_array_list_capacity_~list#1.base|) .cse3) 18446744073709551616))))))) is different from false [2022-11-02 21:13:35,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:35,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783618581] [2022-11-02 21:13:35,121 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:13:35,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893909813] [2022-11-02 21:13:35,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893909813] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:13:35,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:13:35,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2022-11-02 21:13:35,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106126018] [2022-11-02 21:13:35,122 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 21:13:35,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-02 21:13:35,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:35,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-02 21:13:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2475, Unknown=35, NotChecked=202, Total=2862 [2022-11-02 21:13:35,125 INFO L87 Difference]: Start difference. First operand 117 states and 146 transitions. Second operand has 50 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 38 states have internal predecessors, (73), 15 states have call successors, (18), 9 states have call predecessors, (18), 13 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17)