./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:48,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:48,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:14:48,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:48,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:48,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:48,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:48,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:48,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:48,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:48,655 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:48,655 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:48,655 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:48,657 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:48,658 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:48,659 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:48,659 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:48,659 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:48,660 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:48,660 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:48,661 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:48,661 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:48,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:48,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:48,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:48,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:48,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:48,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:48,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:48,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:48,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:48,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:48,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:48,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:48,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:48,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:48,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:48,668 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:48,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:48,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:48,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:48,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:48,670 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 [2023-11-12 00:14:48,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:49,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:49,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:49,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:49,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:49,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2023-11-12 00:14:52,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:52,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:52,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2023-11-12 00:14:52,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/data/ead0a77b0/e161da02c4cb47c48a997f35e0c32f99/FLAG941eb4477 [2023-11-12 00:14:52,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/data/ead0a77b0/e161da02c4cb47c48a997f35e0c32f99 [2023-11-12 00:14:52,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:52,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:52,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:52,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:52,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:52,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcda44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52, skipping insertion in model container [2023-11-12 00:14:52,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:53,277 WARN L240 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_ebf8fb83-1d79-4574-96f9-bf3579182596/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2023-11-12 00:14:53,291 WARN L240 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_ebf8fb83-1d79-4574-96f9-bf3579182596/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2023-11-12 00:14:54,646 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,647 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,648 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,649 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,651 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,673 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,681 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,683 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,684 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,686 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,688 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,689 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:54,689 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:55,368 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:14:55,372 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:14:55,374 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:14:55,379 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:14:55,383 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:14:55,385 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:14:55,387 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:14:55,388 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:14:55,389 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:14:55,390 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:14:55,958 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:55,960 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,005 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,008 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,017 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,018 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,041 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,048 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,049 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,050 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,051 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,052 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,052 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:56,216 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:56,242 WARN L240 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_ebf8fb83-1d79-4574-96f9-bf3579182596/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2023-11-12 00:14:56,243 WARN L240 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_ebf8fb83-1d79-4574-96f9-bf3579182596/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2023-11-12 00:14:56,311 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,312 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,312 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,313 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,317 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,326 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,327 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,329 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,329 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,333 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,334 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,334 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,335 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,378 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:14:56,379 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:14:56,380 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:14:56,381 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:14:56,382 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:14:56,383 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:14:56,384 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:14:56,386 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:14:56,392 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:14:56,392 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:14:56,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-12 00:14:56,575 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,575 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,584 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,585 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,589 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,589 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,606 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,607 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,607 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,608 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,608 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,610 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,610 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:14:56,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:57,115 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,116 WARN L672 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,116 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,116 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,116 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,117 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,117 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,117 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,117 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,117 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,118 WARN L672 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,119 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,119 WARN L672 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,128 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:57,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57 WrapperNode [2023-11-12 00:14:57,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:57,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:57,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:57,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:57,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,374 INFO L138 Inliner]: procedures = 772, calls = 2433, calls flagged for inlining = 69, calls inlined = 12, statements flattened = 621 [2023-11-12 00:14:57,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:57,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:57,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:57,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:57,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:57,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:57,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:57,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:57,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:57,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:57,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 00:14:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:14:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-12 00:14:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-12 00:14:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:14:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:14:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-12 00:14:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-12 00:14:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:14:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:14:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:14:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:14:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-12 00:14:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-12 00:14:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:14:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:14:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-12 00:14:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-12 00:14:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:14:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:14:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:14:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:14:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-12 00:14:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-12 00:14:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-12 00:14:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-12 00:14:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-12 00:14:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-12 00:14:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:14:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-12 00:14:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-12 00:14:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-12 00:14:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-12 00:14:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:57,939 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:57,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:59,062 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:59,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:59,259 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:14:59,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:59 BoogieIcfgContainer [2023-11-12 00:14:59,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:59,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:59,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:59,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:59,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:52" (1/3) ... [2023-11-12 00:14:59,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a912dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:59, skipping insertion in model container [2023-11-12 00:14:59,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (2/3) ... [2023-11-12 00:14:59,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a912dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:59, skipping insertion in model container [2023-11-12 00:14:59,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:59" (3/3) ... [2023-11-12 00:14:59,275 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2023-11-12 00:14:59,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:59,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:59,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:59,384 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=LoopHeads, 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;@607e69b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:59,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-12 00:14:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-12 00:14:59,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:59,407 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-12 00:14:59,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:59,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1037368777, now seen corresponding path program 1 times [2023-11-12 00:14:59,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:59,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530699023] [2023-11-12 00:14:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:59,950 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:14:59,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975277757] [2023-11-12 00:14:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:59,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:14:59,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:59,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:14:59,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:15:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:00,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 2373 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:15:00,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:15:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-12 00:15:00,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:15:00,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:00,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530699023] [2023-11-12 00:15:00,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:15:00,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975277757] [2023-11-12 00:15:00,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975277757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:00,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:00,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:15:00,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826465851] [2023-11-12 00:15:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:00,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:15:00,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:15:00,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:15:00,852 INFO L87 Difference]: Start difference. First operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:15:01,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:01,222 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2023-11-12 00:15:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:15:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 100 [2023-11-12 00:15:01,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:01,237 INFO L225 Difference]: With dead ends: 136 [2023-11-12 00:15:01,237 INFO L226 Difference]: Without dead ends: 99 [2023-11-12 00:15:01,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:15:01,245 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:01,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:15:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-12 00:15:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-12 00:15:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 53 states have internal predecessors, (60), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:15:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 123 transitions. [2023-11-12 00:15:01,325 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 123 transitions. Word has length 100 [2023-11-12 00:15:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 123 transitions. [2023-11-12 00:15:01,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:15:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 123 transitions. [2023-11-12 00:15:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-12 00:15:01,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:01,342 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-12 00:15:01,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:15:01,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:15:01,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:15:01,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:01,555 INFO L85 PathProgramCache]: Analyzing trace with hash -60165374, now seen corresponding path program 1 times [2023-11-12 00:15:01,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:01,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113000823] [2023-11-12 00:15:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:01,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:15:01,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481747298] [2023-11-12 00:15:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:01,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:15:01,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:15:01,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:15:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:02,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:15:02,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:15:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-12 00:15:02,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:15:02,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:02,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113000823] [2023-11-12 00:15:02,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:15:02,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481747298] [2023-11-12 00:15:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481747298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:02,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:02,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:15:02,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920318255] [2023-11-12 00:15:02,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:02,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:15:02,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:02,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:15:02,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:15:02,501 INFO L87 Difference]: Start difference. First operand 99 states and 123 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:15:03,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:03,623 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2023-11-12 00:15:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:15:03,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 105 [2023-11-12 00:15:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:03,628 INFO L225 Difference]: With dead ends: 192 [2023-11-12 00:15:03,629 INFO L226 Difference]: Without dead ends: 103 [2023-11-12 00:15:03,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:15:03,637 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:03,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 408 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-12 00:15:03,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-12 00:15:03,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-12 00:15:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2023-11-12 00:15:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2023-11-12 00:15:03,668 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2023-11-12 00:15:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:03,670 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2023-11-12 00:15:03,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:15:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2023-11-12 00:15:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-12 00:15:03,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:03,681 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2023-11-12 00:15:03,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:15:03,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:03,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:15:03,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:03,898 INFO L85 PathProgramCache]: Analyzing trace with hash 352714602, now seen corresponding path program 1 times [2023-11-12 00:15:03,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:03,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095166871] [2023-11-12 00:15:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:03,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-12 00:15:06,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095166871] [2023-11-12 00:15:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095166871] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:15:06,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997133774] [2023-11-12 00:15:06,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:15:06,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:15:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf8fb83-1d79-4574-96f9-bf3579182596/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:15:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:07,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-12 00:15:07,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:15:07,634 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2023-11-12 00:15:08,684 INFO L322 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-12 00:15:08,685 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2023-11-12 00:15:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-12 00:15:09,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:15:09,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997133774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:09,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:15:09,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 18 [2023-11-12 00:15:09,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704088471] [2023-11-12 00:15:09,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:09,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:15:09,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:09,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:15:09,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:15:09,379 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-12 00:15:14,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 00:15:16,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 00:15:19,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:21,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:23,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:25,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:27,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:29,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:31,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:33,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:35,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:37,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:39,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:41,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:44,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:46,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 00:15:48,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 00:15:50,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]