./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/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 f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:53:39,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:53:39,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:53:39,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:53:39,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:53:39,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:53:39,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:53:39,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:53:39,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:53:39,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:53:39,119 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:53:39,119 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:53:39,120 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:53:39,120 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:53:39,121 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:53:39,121 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:53:39,122 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:53:39,122 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:53:39,123 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:53:39,124 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:53:39,124 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:53:39,125 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:53:39,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:53:39,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:53:39,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:53:39,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:53:39,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:53:39,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:53:39,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:53:39,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:53:39,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:53:39,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:53:39,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:53:39,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:53:39,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:53:39,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:53:39,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:53:39,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:53:39,132 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:53:39,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:53:39,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:53:39,133 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:53:39,133 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:53:39,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:53:39,134 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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2023-12-02 12:53:39,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:53:39,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:53:39,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:53:39,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:53:39,411 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:53:39,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2023-12-02 12:53:42,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:53:42,686 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:53:42,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2023-12-02 12:53:42,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/data/060ce1300/5ca6c9b1a5d140c6aacc978d0831518b/FLAG754f0d563 [2023-12-02 12:53:42,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/data/060ce1300/5ca6c9b1a5d140c6aacc978d0831518b [2023-12-02 12:53:42,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:53:42,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:53:42,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:42,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:53:42,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:53:42,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:42" (1/1) ... [2023-12-02 12:53:42,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501120bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:42, skipping insertion in model container [2023-12-02 12:53:42,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:42" (1/1) ... [2023-12-02 12:53:42,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:53:43,115 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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2023-12-02 12:53:43,123 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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2023-12-02 12:53:44,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,146 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,147 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,148 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,165 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,167 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,168 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,576 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:53:44,577 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:53:44,579 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:53:44,580 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:53:44,582 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:53:44,583 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:53:44,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:53:44,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:53:44,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:53:44,586 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:53:44,840 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,841 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:44,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:44,967 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:53:44,979 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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2023-12-02 12:53:44,980 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_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2023-12-02 12:53:45,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,019 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,020 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,027 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,027 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,102 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:53:45,109 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:53:45,110 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:53:45,111 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:53:45,112 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:53:45,113 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:53:45,114 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:53:45,117 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:53:45,118 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:53:45,119 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:53:45,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-12-02 12:53:45,249 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,250 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:53:45,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2023-12-02 12:53:45,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:45,492 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,493 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,494 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:53:45,502 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:53:45,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45 WrapperNode [2023-12-02 12:53:45,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:45,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:45,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:53:45,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:53:45,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,659 INFO L138 Inliner]: procedures = 689, calls = 2645, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 883 [2023-12-02 12:53:45,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:45,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:53:45,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:53:45,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:53:45,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:53:45,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:53:45,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:53:45,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:53:45,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (1/1) ... [2023-12-02 12:53:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:53:45,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:53:45,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:53:45,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:53:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-12-02 12:53:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 12:53:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 12:53:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:53:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:53:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:53:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:53:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:53:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 12:53:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 12:53:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 12:53:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 12:53:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:53:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:53:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:53:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:53:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:53:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:53:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:53:46,117 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:53:46,119 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:53:47,291 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:53:47,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:53:47,577 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 12:53:47,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:47 BoogieIcfgContainer [2023-12-02 12:53:47,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:53:47,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:53:47,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:53:47,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:53:47,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:53:42" (1/3) ... [2023-12-02 12:53:47,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bde412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:47, skipping insertion in model container [2023-12-02 12:53:47,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:45" (2/3) ... [2023-12-02 12:53:47,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bde412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:47, skipping insertion in model container [2023-12-02 12:53:47,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:47" (3/3) ... [2023-12-02 12:53:47,589 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2023-12-02 12:53:47,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:53:47,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:53:47,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:53:47,672 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;@273a30ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:53:47,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:53:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.2) internal successors, (42), 36 states have internal predecessors, (42), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 12:53:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 12:53:47,686 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:47,687 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:53:47,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:47,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash 685166016, now seen corresponding path program 1 times [2023-12-02 12:53:47,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:53:47,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363833751] [2023-12-02 12:53:47,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:53:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 12:54:04,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:54:04,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363833751] [2023-12-02 12:54:04,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363833751] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:54:04,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239754424] [2023-12-02 12:54:04,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:54:04,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:54:04,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:54:04,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7ae73d-d4df-4a46-ac24-e12b9b74e986/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:54:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:07,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 2505 conjuncts, 102 conjunts are in the unsatisfiable core [2023-12-02 12:54:07,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:07,317 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 12:54:07,623 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 11 treesize of output 7 [2023-12-02 12:54:07,632 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 11 treesize of output 7 [2023-12-02 12:54:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:09,603 INFO L349 Elim1Store]: treesize reduction 92, result has 22.7 percent of original size [2023-12-02 12:54:09,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 34 treesize of output 39 [2023-12-02 12:54:09,669 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2023-12-02 12:54:09,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2023-12-02 12:54:09,813 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2023-12-02 12:54:09,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2023-12-02 12:54:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:11,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 214 [2023-12-02 12:54:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:11,487 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 12:54:11,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 184 [2023-12-02 12:54:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:11,532 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 12:54:11,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 178 [2023-12-02 12:54:11,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 142 [2023-12-02 12:54:11,665 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-12-02 12:54:11,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-12-02 12:54:12,035 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 12:54:12,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2023-12-02 12:54:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:12,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 100 [2023-12-02 12:54:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 12:54:12,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 33 [2023-12-02 12:54:12,238 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2023-12-02 12:54:12,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 143 [2023-12-02 12:54:12,396 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 12:54:12,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2023-12-02 12:54:14,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:54:14,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 264 treesize of output 288 [2023-12-02 12:54:14,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:54:14,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 240 treesize of output 264 [2023-12-02 12:54:14,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:54:14,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 264 [2023-12-02 12:54:14,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 60 [2023-12-02 12:54:14,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2023-12-02 12:54:17,052 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 7 treesize of output 5 [2023-12-02 12:54:17,089 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 7 treesize of output 5 [2023-12-02 12:54:17,202 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 7 treesize of output 5 [2023-12-02 12:54:17,266 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 7 treesize of output 5 [2023-12-02 12:54:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:54:17,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:54:18,322 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 11492 disjunctions. This might take some time... [2023-12-02 12:54:26,674 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 10816 disjunctions.