./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8 --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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- 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-2329fc7 [2022-12-13 15:38:52,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:38:52,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:38:52,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:38:52,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:38:52,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:38:52,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:38:52,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:38:52,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:38:52,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:38:52,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:38:52,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:38:52,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:38:52,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:38:52,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:38:52,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:38:52,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:38:52,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:38:52,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:38:52,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:38:52,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:38:52,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:38:52,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:38:52,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:38:52,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:38:52,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:38:52,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:38:52,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:38:52,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:38:52,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:38:52,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:38:52,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:38:52,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:38:52,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:38:52,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:38:52,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:38:52,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:38:52,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:38:52,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:38:52,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:38:52,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:38:52,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 15:38:52,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:38:52,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:38:52,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:38:52,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:38:52,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:38:52,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:38:52,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:38:52,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:38:52,633 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:38:52,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:38:52,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:38:52,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:38:52,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:38:52,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:38:52,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:38:52,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:38:52,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:38:52,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:38:52,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:38:52,636 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:38:52,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:38:52,637 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:38:52,637 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-12-13 15:38:52,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:38:52,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:38:52,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:38:52,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:38:52,838 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:38:52,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-12-13 15:38:55,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:38:55,854 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:38:55,854 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-12-13 15:38:55,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/a15474a88/8d98cf9b27f942dfa8ea3cf3abd9bd85/FLAG9358d5304 [2022-12-13 15:38:55,883 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/a15474a88/8d98cf9b27f942dfa8ea3cf3abd9bd85 [2022-12-13 15:38:55,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:38:55,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:38:55,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:38:55,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:38:55,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:38:55,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:38:55" (1/1) ... [2022-12-13 15:38:55,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b9f0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:55, skipping insertion in model container [2022-12-13 15:38:55,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:38:55" (1/1) ... [2022-12-13 15:38:55,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:38:55,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:38:56,167 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-12-13 15:38:56,173 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-12-13 15:38:56,708 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 15:38:56,753 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,754 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,754 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,754 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,755 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,764 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,764 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,766 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,766 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,767 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,768 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,768 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,769 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:56,819 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:56,820 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:56,820 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:56,823 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 15:38:56,825 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 15:38:56,825 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 15:38:57,018 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 15:38:57,019 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 15:38:57,020 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 15:38:57,021 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 15:38:57,022 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 15:38:57,023 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 15:38:57,023 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 15:38:57,024 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 15:38:57,024 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 15:38:57,024 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 15:38:57,025 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 15:38:57,131 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,135 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,165 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:38:57,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:38:57,190 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:38:57,199 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-12-13 15:38:57,199 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-12-13 15:38:57,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 15:38:57,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,234 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,247 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:57,248 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:57,248 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:38:57,250 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 15:38:57,251 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 15:38:57,252 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 15:38:57,267 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 15:38:57,267 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 15:38:57,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 15:38:57,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 15:38:57,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 15:38:57,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 15:38:57,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 15:38:57,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 15:38:57,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 15:38:57,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 15:38:57,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 15:38:57,291 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,295 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:38:57,310 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:38:57,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:38:57,468 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:38:57,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57 WrapperNode [2022-12-13 15:38:57,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:38:57,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:38:57,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:38:57,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:38:57,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,575 INFO L138 Inliner]: procedures = 690, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 680 [2022-12-13 15:38:57,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:38:57,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:38:57,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:38:57,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:38:57,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:38:57,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:38:57,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:38:57,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:38:57,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (1/1) ... [2022-12-13 15:38:57,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:38:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:38:57,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:38:57,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:38:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:38:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-13 15:38:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-13 15:38:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-13 15:38:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-13 15:38:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 15:38:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-13 15:38:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 15:38:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:38:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-12-13 15:38:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-12-13 15:38:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:38:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:38:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:38:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 15:38:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 15:38:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-13 15:38:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-13 15:38:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 15:38:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 15:38:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-13 15:38:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-13 15:38:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:38:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-12-13 15:38:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-12-13 15:38:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-13 15:38:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-13 15:38:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:38:57,928 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:38:57,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:38:59,013 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:38:59,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:38:59,021 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:38:59,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:38:59 BoogieIcfgContainer [2022-12-13 15:38:59,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:38:59,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:38:59,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:38:59,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:38:59,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:38:55" (1/3) ... [2022-12-13 15:38:59,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a5de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:38:59, skipping insertion in model container [2022-12-13 15:38:59,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:57" (2/3) ... [2022-12-13 15:38:59,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a5de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:38:59, skipping insertion in model container [2022-12-13 15:38:59,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:38:59" (3/3) ... [2022-12-13 15:38:59,031 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-12-13 15:38:59,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:38:59,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:38:59,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:38:59,085 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;@7646a7d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:38:59,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:38:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-12-13 15:38:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 15:38:59,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:38:59,099 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:59,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:38:59,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-12-13 15:38:59,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:59,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198140646] [2022-12-13 15:38:59,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:38:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:38:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:38:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:38:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 15:38:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:38:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:38:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:38:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 15:38:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:38:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:38:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 15:38:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:38:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:38:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:38:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:38:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:38:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:38:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 15:38:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:38:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:38:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:38:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:38:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:38:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:38:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:38:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:38:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 15:38:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:38:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:38:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-12-13 15:38:59,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:38:59,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198140646] [2022-12-13 15:38:59,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198140646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:38:59,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:38:59,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:38:59,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566393020] [2022-12-13 15:38:59,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:38:59,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:38:59,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:38:59,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:38:59,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:38:59,804 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:39:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:01,784 INFO L93 Difference]: Finished difference Result 332 states and 486 transitions. [2022-12-13 15:39:01,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:39:01,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-12-13 15:39:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:01,794 INFO L225 Difference]: With dead ends: 332 [2022-12-13 15:39:01,794 INFO L226 Difference]: Without dead ends: 171 [2022-12-13 15:39:01,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:39:01,800 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 76 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:01,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 240 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 15:39:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-12-13 15:39:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2022-12-13 15:39:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-12-13 15:39:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-12-13 15:39:01,843 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-12-13 15:39:01,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:01,844 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-12-13 15:39:01,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:39:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-12-13 15:39:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 15:39:01,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:01,847 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:01,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:39:01,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:01,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:01,848 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-12-13 15:39:01,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:01,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833621456] [2022-12-13 15:39:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:01,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:39:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:39:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:39:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 15:39:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:39:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:39:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 15:39:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:39:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 15:39:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:39:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:39:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:39:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:39:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:39:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:39:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 15:39:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:39:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:39:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:39:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:39:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:39:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:39:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:39:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:39:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 15:39:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:39:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:39:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-12-13 15:39:02,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:02,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833621456] [2022-12-13 15:39:02,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833621456] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:39:02,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925374608] [2022-12-13 15:39:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:39:02,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:39:02,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:39:02,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:39:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:02,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 2615 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:39:02,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-12-13 15:39:02,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:39:02,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925374608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:02,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:39:02,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-12-13 15:39:02,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428775612] [2022-12-13 15:39:02,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:02,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:02,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:02,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:02,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:39:02,960 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:04,065 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-12-13 15:39:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:39:04,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-12-13 15:39:04,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:04,067 INFO L225 Difference]: With dead ends: 305 [2022-12-13 15:39:04,067 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:39:04,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:39:04,069 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 194 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:04,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 559 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:39:04,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:39:04,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:39:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-12-13 15:39:04,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-12-13 15:39:04,083 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-12-13 15:39:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:04,083 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-12-13 15:39:04,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-12-13 15:39:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 15:39:04,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:04,086 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:04,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:39:04,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:39:04,287 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:04,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:04,287 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-12-13 15:39:04,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:04,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133392696] [2022-12-13 15:39:04,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:04,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:04,362 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 15:39:04,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684767506] [2022-12-13 15:39:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:39:04,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:39:04,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:39:04,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:39:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:04,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 2756 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:39:04,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-13 15:39:04,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:39:04,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:04,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133392696] [2022-12-13 15:39:04,831 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 15:39:04,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684767506] [2022-12-13 15:39:04,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684767506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:04,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:04,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:04,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323563730] [2022-12-13 15:39:04,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:04,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:04,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:04,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:04,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:04,834 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:07,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:39:07,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:07,071 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-12-13 15:39:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:39:07,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-12-13 15:39:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:07,073 INFO L225 Difference]: With dead ends: 270 [2022-12-13 15:39:07,073 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:39:07,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:39:07,074 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:07,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 559 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 15:39:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:39:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:39:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-12-13 15:39:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-12-13 15:39:07,086 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-12-13 15:39:07,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:07,087 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-12-13 15:39:07,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-12-13 15:39:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 15:39:07,089 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:07,089 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:07,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:39:07,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-13 15:39:07,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:07,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-12-13 15:39:07,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:07,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536728677] [2022-12-13 15:39:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:07,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:07,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 15:39:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704419707] [2022-12-13 15:39:07,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:39:07,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:39:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:39:07,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:39:07,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:39:08,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 15:39:08,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:39:08,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 141 conjunts are in the unsatisfiable core [2022-12-13 15:39:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:09,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 28 [2022-12-13 15:39:09,122 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-12-13 15:39:09,569 INFO L321 Elim1Store]: treesize reduction 168, result has 50.1 percent of original size [2022-12-13 15:39:09,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 43 select indices, 43 select index equivalence classes, 861 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 42 case distinctions, treesize of input 216 treesize of output 298 [2022-12-13 15:39:14,133 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 42 dual juncts. [2022-12-13 15:39:14,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536728677] [2022-12-13 15:39:14,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 15:39:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704419707] [2022-12-13 15:39:14,134 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-12-13 15:39:14,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 15:39:14,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:39:14,336 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) [2022-12-13 15:39:14,344 INFO L158 Benchmark]: Toolchain (without parser) took 18457.28ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 111.6MB in the beginning and 76.2MB in the end (delta: 35.4MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,345 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:39:14,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1582.56ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 100.0MB in the end (delta: 11.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.58ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,348 INFO L158 Benchmark]: Boogie Preprocessor took 62.17ms. Allocated memory is still 151.0MB. Free memory was 90.8MB in the beginning and 84.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,349 INFO L158 Benchmark]: RCFGBuilder took 1384.89ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.6MB in the beginning and 85.8MB in the end (delta: -1.3MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,350 INFO L158 Benchmark]: TraceAbstraction took 15316.89ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 84.8MB in the beginning and 76.2MB in the end (delta: 8.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-12-13 15:39:14,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1582.56ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 100.0MB in the end (delta: 11.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.58ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.17ms. Allocated memory is still 151.0MB. Free memory was 90.8MB in the beginning and 84.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1384.89ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.6MB in the beginning and 85.8MB in the end (delta: -1.3MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15316.89ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 84.8MB in the beginning and 76.2MB in the end (delta: 8.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-13 15:39:14,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8 --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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- 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-2329fc7 [2022-12-13 15:39:15,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:39:15,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:39:15,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:39:15,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:39:15,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:39:15,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:39:15,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:39:15,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:39:15,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:39:15,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:39:15,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:39:15,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:39:15,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:39:15,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:39:15,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:39:15,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:39:15,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:39:15,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:39:15,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:39:15,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:39:15,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:39:15,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:39:15,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:39:15,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:39:15,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:39:15,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:39:15,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:39:15,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:39:15,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:39:15,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:39:15,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:39:15,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:39:15,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:39:15,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:39:15,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:39:15,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:39:15,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:39:15,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:39:15,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:39:15,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:39:15,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 15:39:15,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:39:15,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:39:15,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:39:15,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:39:15,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:39:15,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:39:15,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:39:15,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:39:15,998 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:39:15,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:39:15,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:39:16,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:39:16,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:39:16,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:39:16,001 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:39:16,002 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-12-13 15:39:16,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:39:16,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:39:16,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:39:16,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:39:16,222 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:39:16,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-12-13 15:39:18,727 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:39:19,065 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:39:19,065 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-12-13 15:39:19,091 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/ec1a51515/76e3b4db1cc247209bb4b24322ef5ea7/FLAG01f9c600c [2022-12-13 15:39:19,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/data/ec1a51515/76e3b4db1cc247209bb4b24322ef5ea7 [2022-12-13 15:39:19,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:39:19,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:39:19,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:39:19,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:39:19,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:39:19,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:19" (1/1) ... [2022-12-13 15:39:19,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3249501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:19, skipping insertion in model container [2022-12-13 15:39:19,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:19" (1/1) ... [2022-12-13 15:39:19,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:39:19,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:39:19,388 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-12-13 15:39:19,394 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-12-13 15:39:19,933 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 15:39:19,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:19,988 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:19,988 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:19,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:19,990 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,006 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,007 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,008 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,067 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,067 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,068 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,073 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 15:39:20,075 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 15:39:20,075 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 15:39:20,261 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 15:39:20,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 15:39:20,263 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 15:39:20,264 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 15:39:20,265 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 15:39:20,267 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 15:39:20,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 15:39:20,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 15:39:20,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 15:39:20,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 15:39:20,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 15:39:20,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,424 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:39:20,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:39:20,453 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 15:39:20,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:39:20,479 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-12-13 15:39:20,479 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-12-13 15:39:20,500 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 15:39:20,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,515 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,515 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,516 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,516 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,517 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,517 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,518 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,518 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,523 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,523 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,523 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,525 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 15:39:20,526 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 15:39:20,527 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 15:39:20,541 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 15:39:20,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 15:39:20,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 15:39:20,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 15:39:20,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 15:39:20,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 15:39:20,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 15:39:20,545 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 15:39:20,545 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 15:39:20,545 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 15:39:20,546 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 15:39:20,564 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,574 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,588 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:39:20,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:39:20,600 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:39:20,609 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-12-13 15:39:20,610 WARN L237 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_2e500dd8-bd56-4f3e-8847-c9aae62211d0/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-12-13 15:39:20,628 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 15:39:20,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,641 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,641 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,643 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,644 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,644 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,644 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,649 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,649 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,649 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 15:39:20,651 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 15:39:20,652 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 15:39:20,652 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 15:39:20,682 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 15:39:20,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 15:39:20,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 15:39:20,684 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 15:39:20,684 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 15:39:20,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 15:39:20,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 15:39:20,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 15:39:20,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 15:39:20,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 15:39:20,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 15:39:20,704 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,708 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 15:39:20,721 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:39:20,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:39:20,911 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:39:20,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20 WrapperNode [2022-12-13 15:39:20,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:39:20,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:39:20,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:39:20,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:39:20,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:20,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:20,999 INFO L138 Inliner]: procedures = 710, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 679 [2022-12-13 15:39:20,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:39:20,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:39:20,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:39:21,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:39:21,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:39:21,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:39:21,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:39:21,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:39:21,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (1/1) ... [2022-12-13 15:39:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:39:21,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:39:21,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:39:21,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:39:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:39:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-13 15:39:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-13 15:39:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-13 15:39:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-13 15:39:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 15:39:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 15:39:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:39:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 15:39:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 15:39:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-13 15:39:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-13 15:39:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 15:39:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 15:39:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:39:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:39:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-12-13 15:39:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-12-13 15:39:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:39:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:39:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:39:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 15:39:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 15:39:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 15:39:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-13 15:39:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-13 15:39:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-13 15:39:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 15:39:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 15:39:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 15:39:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:39:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 15:39:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 15:39:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-13 15:39:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-13 15:39:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-12-13 15:39:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-12-13 15:39:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-13 15:39:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-13 15:39:21,404 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:39:21,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:39:24,990 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:39:24,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:39:24,996 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:39:24,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:24 BoogieIcfgContainer [2022-12-13 15:39:24,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:39:25,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:39:25,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:39:25,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:39:25,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:39:19" (1/3) ... [2022-12-13 15:39:25,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdf2656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:25, skipping insertion in model container [2022-12-13 15:39:25,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:20" (2/3) ... [2022-12-13 15:39:25,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdf2656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:25, skipping insertion in model container [2022-12-13 15:39:25,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:24" (3/3) ... [2022-12-13 15:39:25,004 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-12-13 15:39:25,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:39:25,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:39:25,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:39:25,060 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;@2e1f2240, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:39:25,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:39:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-12-13 15:39:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 15:39:25,075 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:25,075 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:25,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:25,080 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-12-13 15:39:25,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:39:25,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270618899] [2022-12-13 15:39:25,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:25,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:25,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:39:25,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:39:25,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 15:39:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 15:39:26,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-12-13 15:39:26,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:39:26,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:39:26,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270618899] [2022-12-13 15:39:26,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270618899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:26,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:26,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:39:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654719047] [2022-12-13 15:39:26,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:26,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:39:26,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:39:26,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:39:26,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:39:26,158 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:39:26,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:26,190 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2022-12-13 15:39:26,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:39:26,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-12-13 15:39:26,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:26,198 INFO L225 Difference]: With dead ends: 316 [2022-12-13 15:39:26,198 INFO L226 Difference]: Without dead ends: 155 [2022-12-13 15:39:26,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:39:26,204 INFO L413 NwaCegarLoop]: 209 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, 209 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 [2022-12-13 15:39:26,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:39:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-12-13 15:39:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-12-13 15:39:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-12-13 15:39:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-12-13 15:39:26,241 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-12-13 15:39:26,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:26,242 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-12-13 15:39:26,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:39:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-12-13 15:39:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 15:39:26,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:26,245 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:26,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:39:26,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:26,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:26,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-12-13 15:39:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:39:26,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976201637] [2022-12-13 15:39:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:26,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:39:26,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:39:26,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 15:39:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:27,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:39:27,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-12-13 15:39:27,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:39:27,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:39:27,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976201637] [2022-12-13 15:39:27,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976201637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:27,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:27,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:39:27,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218468842] [2022-12-13 15:39:27,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:27,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:39:27,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:39:27,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:39:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:39:27,578 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:28,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:28,003 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-12-13 15:39:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:39:28,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-12-13 15:39:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:28,006 INFO L225 Difference]: With dead ends: 305 [2022-12-13 15:39:28,006 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:39:28,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:28,007 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 34 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:28,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 15:39:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:39:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:39:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-12-13 15:39:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-12-13 15:39:28,021 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-12-13 15:39:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:28,022 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-12-13 15:39:28,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-12-13 15:39:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 15:39:28,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:28,024 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:28,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 15:39:28,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:28,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:28,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:28,226 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-12-13 15:39:28,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:39:28,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974485600] [2022-12-13 15:39:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:28,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:28,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:39:28,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:39:28,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 15:39:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:29,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:39:29,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:39:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-13 15:39:29,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:39:29,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:39:29,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974485600] [2022-12-13 15:39:29,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974485600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:29,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:29,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:39:29,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148967218] [2022-12-13 15:39:29,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:29,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:39:29,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:39:29,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:39:29,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:39:29,610 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:29,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:29,987 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-12-13 15:39:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:39:29,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-12-13 15:39:29,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:29,990 INFO L225 Difference]: With dead ends: 270 [2022-12-13 15:39:29,990 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:39:29,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:29,992 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:29,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:39:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:39:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:39:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-12-13 15:39:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-12-13 15:39:30,013 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-12-13 15:39:30,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:30,013 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-12-13 15:39:30,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:39:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-12-13 15:39:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 15:39:30,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:30,017 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:30,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 15:39:30,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:30,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:39:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:30,219 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-12-13 15:39:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:39:30,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843311639] [2022-12-13 15:39:30,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:39:30,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:39:30,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:39:30,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:39:30,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 15:41:25,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 15:41:25,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:41:28,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:41:28,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-12-13 15:41:28,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:28,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:28,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843311639] [2022-12-13 15:41:28,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843311639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:28,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:28,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:28,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322118277] [2022-12-13 15:41:28,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:28,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:28,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:28,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:28,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:28,533 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:41:31,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:41:31,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:31,127 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2022-12-13 15:41:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:41:31,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 204 [2022-12-13 15:41:31,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:31,130 INFO L225 Difference]: With dead ends: 239 [2022-12-13 15:41:31,130 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:41:31,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:41:31,131 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 24 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:31,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 811 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 15:41:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:41:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:41:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-12-13 15:41:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 207 transitions. [2022-12-13 15:41:31,143 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 207 transitions. Word has length 204 [2022-12-13 15:41:31,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:31,143 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 207 transitions. [2022-12-13 15:41:31,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:41:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 207 transitions. [2022-12-13 15:41:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 15:41:31,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:31,145 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:31,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:31,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:31,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:41:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:31,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1913799685, now seen corresponding path program 3 times [2022-12-13 15:41:31,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:31,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625578794] [2022-12-13 15:41:31,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 15:41:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:31,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:31,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 15:41:54,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 15:41:54,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:41:54,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:41:54,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-12-13 15:41:54,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:54,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:54,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625578794] [2022-12-13 15:41:54,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625578794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:54,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:54,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:54,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735406133] [2022-12-13 15:41:54,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:54,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:54,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:54,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:54,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:54,928 INFO L87 Difference]: Start difference. First operand 157 states and 207 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 15:41:57,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:41:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:57,362 INFO L93 Difference]: Finished difference Result 232 states and 303 transitions. [2022-12-13 15:41:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:41:57,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 234 [2022-12-13 15:41:57,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:57,364 INFO L225 Difference]: With dead ends: 232 [2022-12-13 15:41:57,364 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 15:41:57,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:41:57,366 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:57,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 877 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 15:41:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 15:41:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 15:41:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-12-13 15:41:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 206 transitions. [2022-12-13 15:41:57,375 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 206 transitions. Word has length 234 [2022-12-13 15:41:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:57,376 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 206 transitions. [2022-12-13 15:41:57,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 15:41:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 206 transitions. [2022-12-13 15:41:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 15:41:57,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:57,379 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:57,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 15:41:57,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:57,581 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:41:57,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1463432363, now seen corresponding path program 1 times [2022-12-13 15:41:57,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:57,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53616717] [2022-12-13 15:41:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:57,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:57,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:57,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e500dd8-bd56-4f3e-8847-c9aae62211d0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 15:51:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:41,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 451 conjunts are in the unsatisfiable core [2022-12-13 15:51:41,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:51:41,709 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-13 15:51:41,710 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-13 15:51:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:51:55,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 186 [2022-12-13 15:52:00,846 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)))) is different from true [2022-12-13 15:52:03,405 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse0 (bvmul |c_aws_mul_size_checked_#in~b#1| |c_aws_mul_size_checked_#in~a#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| ((_ extract 7 0) .cse0)) (bvadd (_ bv1 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1694) (bvadd (_ bv2 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 23 16) .cse0)) (bvadd (_ bv3 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1696) (bvadd (_ bv4 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 39 32) .cse0)) (bvadd |c_aws_mul_size_checked_#in~r#1.offset| (_ bv5 64)) v_ArrVal_1698) (bvadd (_ bv6 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1700) (bvadd (_ bv7 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 63 56) .cse0)))))) (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1))))) is different from true [2022-12-13 15:52:40,124 WARN L233 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 15:53:02,735 WARN L233 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 15:53:16,477 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse17 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse17 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse17 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (and (let ((.cse15 (let ((.cse16 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (bvmul (concat (concat (concat (concat (concat (concat (concat (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse16 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))) (concat (concat (concat (concat (concat (concat (concat (select .cse16 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse16 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|))))))) (let ((.cse0 ((_ extract 23 16) (_ bv0 64))) (.cse5 ((_ extract 7 0) .cse15)) (.cse6 ((_ extract 23 16) .cse15)) (.cse7 ((_ extract 39 32) .cse15)) (.cse8 ((_ extract 63 56) .cse15)) (.cse9 ((_ extract 7 0) (_ bv0 64))) (.cse10 ((_ extract 39 32) (_ bv0 64))) (.cse11 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1692 (_ BitVec 1)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64)) (v_ArrVal_1702 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_7| (_ BitVec 64))) (let ((.cse2 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (_ bv1 1))) (.cse1 (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (and (= .cse0 (select .cse1 (_ bv2 64))) (= (select .cse2 |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)) (bvuge .cse3 (let ((.cse4 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store (store .cse2 |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692) |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_1702) |c_#valid|) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (store (store (store (store (store (store (store (store .cse1 (_ bv0 64) .cse5) (_ bv1 64) v_ArrVal_1694) (_ bv2 64) .cse6) (_ bv3 64) v_ArrVal_1696) (_ bv4 64) .cse7) (_ bv5 64) v_ArrVal_1698) (_ bv6 64) v_ArrVal_1700) (_ bv7 64) .cse8))) (= (select .cse1 (_ bv0 64)) .cse9) (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7|)) (= (select .cse1 (_ bv4 64)) .cse10)))) (or (= (_ bv1 8) |c_aws_array_list_is_valid_#res|) .cse11)) (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1692 (_ BitVec 1)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64)) (v_ArrVal_1702 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_7| (_ BitVec 64))) (let ((.cse14 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (_ bv1 1))) (.cse12 (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (and (= .cse0 (select .cse12 (_ bv2 64))) (not (bvuge .cse3 (let ((.cse13 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (concat (concat (concat (concat (concat (concat (concat (select .cse13 (_ bv7 64)) (select .cse13 (_ bv6 64))) (select .cse13 (_ bv5 64))) (select .cse13 (_ bv4 64))) (select .cse13 (_ bv3 64))) (select .cse13 (_ bv2 64))) (select .cse13 (_ bv1 64))) (select .cse13 (_ bv0 64)))))) (= (select .cse14 |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)) (= (store (store .cse14 |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692) |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_1702) |c_#valid|) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (store (store (store (store (store (store (store (store .cse12 (_ bv0 64) .cse5) (_ bv1 64) v_ArrVal_1694) (_ bv2 64) .cse6) (_ bv3 64) v_ArrVal_1696) (_ bv4 64) .cse7) (_ bv5 64) v_ArrVal_1698) (_ bv6 64) v_ArrVal_1700) (_ bv7 64) .cse8))) (= (select .cse12 (_ bv0 64)) .cse9) (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7|)) (= (select .cse12 (_ bv4 64)) .cse10)))) .cse11)))) (= (_ bv0 64) .cse3))) is different from false [2022-12-13 15:53:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:53:23,430 INFO L321 Elim1Store]: treesize reduction 306, result has 12.3 percent of original size [2022-12-13 15:53:23,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 22 select indices, 22 select index equivalence classes, 276 disjoint index pairs (out of 231 index pairs), introduced 24 new quantified variables, introduced 117 case distinctions, treesize of input 1545 treesize of output 1054 [2022-12-13 15:53:25,068 INFO L321 Elim1Store]: treesize reduction 338, result has 35.6 percent of original size [2022-12-13 15:53:25,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 351 treesize of output 554