./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.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_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 12db216c7e0e1c5fdc67d2c719f53ace6d4be7de02773cc5c22d3000e76bff14 --- 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 [2022-12-14 15:13:44,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:13:44,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:13:44,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:13:44,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:13:44,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:13:44,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:13:44,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:13:44,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:13:44,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:13:44,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:13:44,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:13:44,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:13:44,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:13:44,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:13:44,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:13:44,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:13:44,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:13:44,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:13:44,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:13:44,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:13:44,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:13:44,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:13:44,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:13:44,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:13:44,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:13:44,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:13:44,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:13:44,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:13:44,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:13:44,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:13:44,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:13:44,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:13:44,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:13:44,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:13:44,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:13:44,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:13:44,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:13:44,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:13:44,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:13:44,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:13:44,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:13:44,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:13:44,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:13:44,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:13:44,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:13:44,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:13:44,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:13:44,630 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:13:44,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:13:44,631 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:13:44,631 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:13:44,631 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:13:44,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:13:44,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:13:44,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:13:44,632 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:13:44,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:13:44,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:13:44,632 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:13:44,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:13:44,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:13:44,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:13:44,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:13:44,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:13:44,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:13:44,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:13:44,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:13:44,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:13:44,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:13:44,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:13:44,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:44,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:13:44,635 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:13:44,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:13:44,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:13:44,636 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:13:44,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:13:44,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:13:44,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:13:44,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12db216c7e0e1c5fdc67d2c719f53ace6d4be7de02773cc5c22d3000e76bff14 [2022-12-14 15:13:44,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:13:44,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:13:44,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:13:44,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:13:44,863 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:13:44,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2022-12-14 15:13:47,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:13:47,801 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:13:47,801 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2022-12-14 15:13:47,818 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/data/65b963136/4f39b61e4fb246e4be5a4891b03721ab/FLAG86e216a68 [2022-12-14 15:13:47,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/data/65b963136/4f39b61e4fb246e4be5a4891b03721ab [2022-12-14 15:13:47,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:13:47,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:13:47,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:47,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:13:47,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:13:47,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:47" (1/1) ... [2022-12-14 15:13:47,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b028f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:47, skipping insertion in model container [2022-12-14 15:13:47,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:47" (1/1) ... [2022-12-14 15:13:47,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:13:47,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:13:48,088 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_0f74c2c1-e762-4740-9501-bbce25118ed5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2022-12-14 15:13:48,094 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_0f74c2c1-e762-4740-9501-bbce25118ed5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2022-12-14 15:13:48,720 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:48,724 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,724 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,725 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,725 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,726 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,728 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:48,736 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,736 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:48,736 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,740 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:48,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:48,806 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:48,806 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:48,807 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:48,810 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:13:48,811 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:13:48,811 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:13:49,032 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:13:49,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:13:49,034 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:13:49,035 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:13:49,036 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:13:49,037 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:13:49,038 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:13:49,038 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:13:49,039 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:13:49,040 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:13:49,040 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:13:49,153 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:13:49,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,174 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,176 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,177 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,180 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,183 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,183 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,183 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,184 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,184 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,184 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,214 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:13:49,227 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,227 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,227 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,229 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:13:49,229 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,229 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:13:49,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:13:49,281 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_0f74c2c1-e762-4740-9501-bbce25118ed5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2022-12-14 15:13:49,281 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_0f74c2c1-e762-4740-9501-bbce25118ed5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2022-12-14 15:13:49,303 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,305 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,305 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,306 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,306 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,306 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,307 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,311 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,311 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,311 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,312 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,312 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,313 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,314 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,318 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:49,318 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:49,318 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:13:49,321 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:13:49,321 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:13:49,322 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:13:49,335 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:13:49,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:13:49,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:13:49,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:13:49,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:13:49,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:13:49,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:13:49,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:13:49,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:13:49,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:13:49,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:13:49,353 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:13:49,362 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,363 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,364 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,365 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,366 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,367 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,368 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,368 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,368 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,369 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,369 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,369 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:13:49,378 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:13:49,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,383 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,387 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,387 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:13:49,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:13:49,537 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:13:49,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49 WrapperNode [2022-12-14 15:13:49,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:49,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:13:49,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:13:49,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:13:49,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,632 INFO L138 Inliner]: procedures = 697, calls = 1878, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1162 [2022-12-14 15:13:49,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:13:49,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:13:49,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:13:49,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:13:49,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:13:49,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:13:49,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:13:49,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:13:49,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (1/1) ... [2022-12-14 15:13:49,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:49,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:13:49,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:13:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 15:13:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 15:13:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-12-14 15:13:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-12-14 15:13:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 15:13:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 15:13:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:13:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:13:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:13:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:13:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-12-14 15:13:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-12-14 15:13:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:13:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 15:13:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 15:13:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-12-14 15:13:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-12-14 15:13:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 15:13:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 15:13:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:13:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:13:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:13:50,019 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:13:50,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:13:50,944 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:13:51,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:13:51,170 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 15:13:51,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:51 BoogieIcfgContainer [2022-12-14 15:13:51,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:13:51,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:13:51,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:13:51,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:13:51,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:13:47" (1/3) ... [2022-12-14 15:13:51,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b8bf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:51, skipping insertion in model container [2022-12-14 15:13:51,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:49" (2/3) ... [2022-12-14 15:13:51,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b8bf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:51, skipping insertion in model container [2022-12-14 15:13:51,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:51" (3/3) ... [2022-12-14 15:13:51,179 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness_negated.i [2022-12-14 15:13:51,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:13:51,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:13:51,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:13:51,239 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@246e6775, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:13:51,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:13:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2022-12-14 15:13:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 15:13:51,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:51,253 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:13:51,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash 648431046, now seen corresponding path program 1 times [2022-12-14 15:13:51,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:51,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641381409] [2022-12-14 15:13:51,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-12-14 15:13:51,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:51,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641381409] [2022-12-14 15:13:51,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641381409] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:13:51,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567363586] [2022-12-14 15:13:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:51,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:13:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:52,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:13:52,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 15:13:52,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:13:52,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567363586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:52,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:13:52,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 15:13:52,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180524940] [2022-12-14 15:13:52,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:52,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:13:52,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:13:52,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:13:52,397 INFO L87 Difference]: Start difference. First operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 15:13:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:52,961 INFO L93 Difference]: Finished difference Result 899 states and 1372 transitions. [2022-12-14 15:13:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:13:52,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 125 [2022-12-14 15:13:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:52,973 INFO L225 Difference]: With dead ends: 899 [2022-12-14 15:13:52,973 INFO L226 Difference]: Without dead ends: 462 [2022-12-14 15:13:52,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:13:52,980 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 54 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:52,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 2291 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 15:13:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-12-14 15:13:53,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2022-12-14 15:13:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (204), 194 states have call predecessors, (204), 194 states have call successors, (204) [2022-12-14 15:13:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 676 transitions. [2022-12-14 15:13:53,038 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 676 transitions. Word has length 125 [2022-12-14 15:13:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:53,039 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 676 transitions. [2022-12-14 15:13:53,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 15:13:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 676 transitions. [2022-12-14 15:13:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 15:13:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:53,042 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 4, 3, 3, 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] [2022-12-14 15:13:53,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:13:53,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 15:13:53,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:53,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1564496203, now seen corresponding path program 1 times [2022-12-14 15:13:53,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:53,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141623859] [2022-12-14 15:13:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-12-14 15:13:53,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:53,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141623859] [2022-12-14 15:13:53,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141623859] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:13:53,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359052839] [2022-12-14 15:13:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:53,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:53,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:53,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:13:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:54,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:13:54,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 15:13:54,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:13:54,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359052839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:54,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:13:54,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 15:13:54,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835824209] [2022-12-14 15:13:54,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:54,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:13:54,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:54,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:13:54,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-14 15:13:54,288 INFO L87 Difference]: Start difference. First operand 462 states and 676 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 15:13:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:55,179 INFO L93 Difference]: Finished difference Result 909 states and 1372 transitions. [2022-12-14 15:13:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:13:55,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 133 [2022-12-14 15:13:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:55,182 INFO L225 Difference]: With dead ends: 909 [2022-12-14 15:13:55,182 INFO L226 Difference]: Without dead ends: 475 [2022-12-14 15:13:55,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-12-14 15:13:55,185 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 73 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:55,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 3230 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 15:13:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-12-14 15:13:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2022-12-14 15:13:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 15:13:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 15:13:55,227 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 133 [2022-12-14 15:13:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:55,227 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 15:13:55,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 15:13:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 15:13:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 15:13:55,229 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:55,230 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 3, 3, 3, 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] [2022-12-14 15:13:55,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:13:55,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:55,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:55,431 INFO L85 PathProgramCache]: Analyzing trace with hash -912872476, now seen corresponding path program 1 times [2022-12-14 15:13:55,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:55,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298090228] [2022-12-14 15:13:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:55,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:55,502 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:13:55,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148285716] [2022-12-14 15:13:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:55,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:55,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:55,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:55,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:13:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:55,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:13:55,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 15:13:55,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:13:55,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:55,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298090228] [2022-12-14 15:13:55,924 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:13:55,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148285716] [2022-12-14 15:13:55,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148285716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:55,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:55,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:13:55,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641001531] [2022-12-14 15:13:55,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:55,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:13:55,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:55,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:13:55,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:13:55,926 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-12-14 15:13:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:56,455 INFO L93 Difference]: Finished difference Result 926 states and 1442 transitions. [2022-12-14 15:13:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:13:56,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 142 [2022-12-14 15:13:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:56,460 INFO L225 Difference]: With dead ends: 926 [2022-12-14 15:13:56,460 INFO L226 Difference]: Without dead ends: 481 [2022-12-14 15:13:56,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:13:56,463 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 65 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:56,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 2852 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 15:13:56,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-12-14 15:13:56,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 473. [2022-12-14 15:13:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 15:13:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 15:13:56,487 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 142 [2022-12-14 15:13:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:56,487 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 15:13:56,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-12-14 15:13:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 15:13:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 15:13:56,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:56,489 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 4, 3, 3, 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, 1, 1, 1] [2022-12-14 15:13:56,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:13:56,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:56,690 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:56,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash -278222856, now seen corresponding path program 1 times [2022-12-14 15:13:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:56,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125208835] [2022-12-14 15:13:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:56,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:56,864 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:13:56,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375062189] [2022-12-14 15:13:56,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:56,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:56,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:56,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:56,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:13:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:57,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 15:13:57,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 15:13:57,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:13:57,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:57,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125208835] [2022-12-14 15:13:57,316 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:13:57,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375062189] [2022-12-14 15:13:57,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375062189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:57,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:57,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 15:13:57,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63314595] [2022-12-14 15:13:57,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:57,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:13:57,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:57,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:13:57,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:13:57,318 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-14 15:13:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:58,053 INFO L93 Difference]: Finished difference Result 928 states and 1437 transitions. [2022-12-14 15:13:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:13:58,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 150 [2022-12-14 15:13:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:58,057 INFO L225 Difference]: With dead ends: 928 [2022-12-14 15:13:58,057 INFO L226 Difference]: Without dead ends: 483 [2022-12-14 15:13:58,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 15:13:58,060 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 88 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:58,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 3759 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 15:13:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-12-14 15:13:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 473. [2022-12-14 15:13:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 15:13:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 15:13:58,089 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 150 [2022-12-14 15:13:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:58,090 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 15:13:58,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-14 15:13:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 15:13:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-14 15:13:58,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:58,093 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:58,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:13:58,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:58,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:58,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash 60349047, now seen corresponding path program 2 times [2022-12-14 15:13:58,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:58,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360274986] [2022-12-14 15:13:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:58,400 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:13:58,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716035984] [2022-12-14 15:13:58,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:13:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:58,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:58,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:58,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:13:58,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 15:13:58,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:58,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 15:13:58,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-12-14 15:13:58,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:13:58,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:58,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360274986] [2022-12-14 15:13:58,812 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:13:58,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716035984] [2022-12-14 15:13:58,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716035984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:58,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:58,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:13:58,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127456662] [2022-12-14 15:13:58,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:58,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:13:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:58,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:13:58,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:13:58,814 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 15:13:59,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:59,314 INFO L93 Difference]: Finished difference Result 481 states and 730 transitions. [2022-12-14 15:13:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:13:59,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 159 [2022-12-14 15:13:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:59,319 INFO L225 Difference]: With dead ends: 481 [2022-12-14 15:13:59,319 INFO L226 Difference]: Without dead ends: 479 [2022-12-14 15:13:59,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:13:59,320 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 5 mSDsluCounter, 2393 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3009 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:59,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3009 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 15:13:59,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-12-14 15:13:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 478. [2022-12-14 15:13:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 243 states have (on average 1.1893004115226338) internal successors, (289), 246 states have internal predecessors, (289), 199 states have call successors, (199), 33 states have call predecessors, (199), 34 states have return successors, (239), 198 states have call predecessors, (239), 197 states have call successors, (239) [2022-12-14 15:13:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 727 transitions. [2022-12-14 15:13:59,337 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 727 transitions. Word has length 159 [2022-12-14 15:13:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:59,337 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 727 transitions. [2022-12-14 15:13:59,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 15:13:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 727 transitions. [2022-12-14 15:13:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-14 15:13:59,339 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:59,339 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:13:59,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 15:13:59,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:59,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:59,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:59,540 INFO L85 PathProgramCache]: Analyzing trace with hash -340987894, now seen corresponding path program 3 times [2022-12-14 15:13:59,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:59,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964003688] [2022-12-14 15:13:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:59,612 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:13:59,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519657671] [2022-12-14 15:13:59,612 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 15:13:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:59,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:59,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f74c2c1-e762-4740-9501-bbce25118ed5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:13:59,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 15:13:59,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:59,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 15:13:59,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-12-14 15:13:59,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:14:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-12-14 15:14:00,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:14:00,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964003688] [2022-12-14 15:14:00,109 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:14:00,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519657671] [2022-12-14 15:14:00,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519657671] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:14:00,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [330308623] [2022-12-14 15:14:00,127 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-12-14 15:14:00,127 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:14:00,131 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:14:00,137 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:14:00,137 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:14:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:03,473 INFO L217 Elim1Store]: Index analysis took 275 ms [2022-12-14 15:14:14,869 WARN L233 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:14:14,873 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 15:14:14,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 15:14:17,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:17,741 INFO L217 Elim1Store]: Index analysis took 525 ms [2022-12-14 15:14:34,531 WARN L233 SmtUtils]: Spent 16.76s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:14:34,534 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 15:14:34,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 15:16:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 15:16:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 15:16:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 15:16:05,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:16:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 15:16:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 15:16:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 15:16:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 15:16:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:10,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 15:16:19,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 15:16:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 15:16:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:19,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 15:16:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:20,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 15:16:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:20,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 15:16:37,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 15:16:37,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 15:16:37,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 15:16:37,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 15:16:38,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 15:16:38,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 15:16:53,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 15:16:53,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 15:16:53,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 15:16:53,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 15:16:53,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 15:16:53,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 15:16:56,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 15:16:57,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-12-14 15:16:57,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 15:16:58,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:17:11,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 15:17:11,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:17:11,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 15:17:11,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:17:11,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:17:11,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:17:11,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:17:11,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:17:11,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 15:17:11,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 15:17:11,885 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:17:11,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 15:17:11,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 15:17:11,940 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:17:11,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 15:17:11,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 15:17:12,040 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 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:17:12,052 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 27 treesize of output 23 [2022-12-14 15:17:12,054 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 23 treesize of output 19 [2022-12-14 15:17:12,064 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 27 treesize of output 23 [2022-12-14 15:17:12,067 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 23 treesize of output 19 [2022-12-14 15:17:13,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 15:17:13,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 15:17:14,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 15:17:30,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 15:17:30,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 15:17:30,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 15:20:59,769 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2896 for LOIs [2022-12-14 15:21:15,498 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-12-14 15:21:20,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:20,559 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:20,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 15:21:20,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:20,770 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:20,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 15:21:20,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 15:21:26,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:26,200 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:26,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 15:21:26,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:26,406 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:26,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 15:21:26,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 15:21:32,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:21:32,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:32,169 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:32,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 15:21:32,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:21:32,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:21:32,367 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 15:21:32,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 15:21:32,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 15:21:34,990 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-12-14 15:21:40,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 15:21:40,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 15:21:49,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 15:21:49,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 15:21:57,924 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 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:21:59,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 15:21:59,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 15:22:03,669 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-12-14 15:22:21,928 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-12-14 15:22:23,618 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-12-14 15:23:51,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:23:51,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:23:51,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:23:51,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:24:15,157 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 15:24:15,159 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 15:24:15,166 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 645 for LOIs [2022-12-14 15:24:18,276 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 47 for LOIs [2022-12-14 15:24:18,280 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:25:35,322 WARN L233 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)