./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh --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 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:48:47,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:48:47,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:48:47,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:48:47,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:48:47,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:48:47,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:48:47,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:48:47,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:48:47,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:48:47,637 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:48:47,637 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:48:47,638 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:48:47,638 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:48:47,639 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:48:47,639 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:48:47,640 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:48:47,640 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:48:47,641 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:48:47,641 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:48:47,642 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:48:47,642 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:48:47,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:48:47,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:48:47,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:48:47,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:48:47,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:48:47,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:48:47,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:48:47,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:48:47,646 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:48:47,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:48:47,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:48:47,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:48:47,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:48:47,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:48:47,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:48:47,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:48:47,649 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:48:47,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:48:47,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:48:47,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:48:47,650 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:48:47,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:48:47,650 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_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2023-12-02 12:48:47,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:48:47,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:48:47,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:48:47,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:48:47,912 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:48:47,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2023-12-02 12:48:50,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:48:51,162 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:48:51,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2023-12-02 12:48:51,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/data/dfeca2e51/aec9a19cb4b741d4b21cf2d0596236e8/FLAGff0f5bed7 [2023-12-02 12:48:51,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/data/dfeca2e51/aec9a19cb4b741d4b21cf2d0596236e8 [2023-12-02 12:48:51,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:48:51,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:48:51,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:48:51,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:48:51,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:48:51,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:51" (1/1) ... [2023-12-02 12:48:51,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40145651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:51, skipping insertion in model container [2023-12-02 12:48:51,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:51" (1/1) ... [2023-12-02 12:48:51,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:48:51,575 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_41532bc3-27d1-4459-a90a-c07ff9c48064/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2023-12-02 12:48:51,583 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_41532bc3-27d1-4459-a90a-c07ff9c48064/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2023-12-02 12:48:52,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,313 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,326 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,327 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,329 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,329 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,687 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:48:52,688 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:48:52,689 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:48:52,690 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:48:52,692 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:48:52,692 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:48:52,693 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:48:52,694 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:48:52,695 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:48:52,696 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:48:52,989 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:52,990 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:48:53,139 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:48:53,155 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_41532bc3-27d1-4459-a90a-c07ff9c48064/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2023-12-02 12:48:53,156 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_41532bc3-27d1-4459-a90a-c07ff9c48064/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2023-12-02 12:48:53,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,236 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:48:53,237 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:48:53,238 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:48:53,239 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:48:53,240 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:48:53,240 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:48:53,241 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:48:53,241 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:48:53,241 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:48:53,242 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:48:53,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-12-02 12:48:53,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:48:53,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-12-02 12:48:53,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,561 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,562 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,563 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:48:53,570 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:48:53,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53 WrapperNode [2023-12-02 12:48:53,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:48:53,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:48:53,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:48:53,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:48:53,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,770 INFO L138 Inliner]: procedures = 690, calls = 2659, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 902 [2023-12-02 12:48:53,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:48:53,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:48:53,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:48:53,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:48:53,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:48:53,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:48:53,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:48:53,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:48:53,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (1/1) ... [2023-12-02 12:48:53,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:48:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:48:53,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:48:53,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:48:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 12:48:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 12:48:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:48:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 12:48:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 12:48:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:48:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 12:48:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 12:48:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:48:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:48:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-12-02 12:48:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-12-02 12:48:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:48:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-12-02 12:48:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-12-02 12:48:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 12:48:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 12:48:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:48:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:48:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 12:48:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 12:48:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 12:48:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 12:48:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:48:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:48:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-12-02 12:48:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-12-02 12:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-12-02 12:48:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-12-02 12:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 12:48:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 12:48:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 12:48:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 12:48:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-12-02 12:48:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-12-02 12:48:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:48:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-12-02 12:48:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-12-02 12:48:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:48:54,237 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:48:54,239 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:48:55,252 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:48:55,523 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:48:55,523 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:48:55,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:55 BoogieIcfgContainer [2023-12-02 12:48:55,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:48:55,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:48:55,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:48:55,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:48:55,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:48:51" (1/3) ... [2023-12-02 12:48:55,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f096835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:55, skipping insertion in model container [2023-12-02 12:48:55,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:53" (2/3) ... [2023-12-02 12:48:55,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f096835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:55, skipping insertion in model container [2023-12-02 12:48:55,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:55" (3/3) ... [2023-12-02 12:48:55,533 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2023-12-02 12:48:55,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:48:55,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:48:55,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:48:55,606 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;@394ae6e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:48:55,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:48:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-02 12:48:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 12:48:55,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:48:55,626 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 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] [2023-12-02 12:48:55,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:48:55,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:48:55,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1326475261, now seen corresponding path program 1 times [2023-12-02 12:48:55,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:48:55,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89822443] [2023-12-02 12:48:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:48:55,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:49:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-02 12:49:16,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:49:16,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89822443] [2023-12-02 12:49:16,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89822443] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:49:16,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796520803] [2023-12-02 12:49:16,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:16,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:49:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:49:16,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:49:16,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41532bc3-27d1-4459-a90a-c07ff9c48064/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:49:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:17,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 2924 conjuncts, 188 conjunts are in the unsatisfiable core [2023-12-02 12:49:17,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:17,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2023-12-02 12:49:17,480 INFO L378 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 [2023-12-02 12:49:18,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 12:49:18,844 INFO L378 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 8 treesize of output 1 [2023-12-02 12:49:18,997 INFO L378 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 19 treesize of output 1 [2023-12-02 12:49:19,006 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2023-12-02 12:49:19,088 INFO L378 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 16 treesize of output 11 [2023-12-02 12:49:19,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 treesize of output 4 [2023-12-02 12:49:19,782 INFO L378 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 15 treesize of output 7 [2023-12-02 12:49:19,886 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 12:49:19,886 INFO L378 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 1 case distinctions, treesize of input 29 treesize of output 11 [2023-12-02 12:49:20,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 22 [2023-12-02 12:49:20,331 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 12:49:20,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 20 [2023-12-02 12:49:20,367 INFO L349 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2023-12-02 12:49:20,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2023-12-02 12:49:22,127 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 12:49:22,127 INFO L378 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 1 case distinctions, treesize of input 28 treesize of output 12 [2023-12-02 12:49:30,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:49:30,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 258 treesize of output 226 [2023-12-02 12:49:30,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:49:30,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 186 [2023-12-02 12:49:30,884 INFO L349 Elim1Store]: treesize reduction 64, result has 76.6 percent of original size [2023-12-02 12:49:30,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 34 case distinctions, treesize of input 105 treesize of output 277 [2023-12-02 12:49:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 34 proven. 88 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 12:49:35,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:37,814 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 56951 disjunctions. This might take some time... [2023-12-02 12:53:35,967 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 56951 disjunctions.