./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_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_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/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_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/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_f4377f16-7177-4c90-91a1-e43bb976ac47/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 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:50:57,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:50:57,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 18:50:57,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:50:57,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:50:57,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:50:57,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:50:57,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:50:57,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:50:57,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:50:57,919 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:50:57,920 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:50:57,920 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:50:57,921 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:50:57,921 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:50:57,922 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:50:57,922 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:50:57,923 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:50:57,923 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:50:57,924 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:50:57,925 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:50:57,925 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:50:57,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:50:57,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:50:57,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:50:57,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:50:57,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:50:57,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:50:57,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:50:57,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:50:57,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:50:57,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:50:57,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:50:57,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:50:57,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:50:57,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:50:57,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:50:57,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:50:57,931 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:50:57,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:50:57,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:50:57,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:50:57,932 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:50:57,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:50:57,932 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_f4377f16-7177-4c90-91a1-e43bb976ac47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2023-12-02 18:50:58,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:50:58,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:50:58,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:50:58,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:50:58,170 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:50:58,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2023-12-02 18:51:00,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:51:01,294 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:51:01,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2023-12-02 18:51:01,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/data/1dfa7f61a/70959371e7cf49a99f572ea345877597/FLAGf21ed6b6f [2023-12-02 18:51:01,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/data/1dfa7f61a/70959371e7cf49a99f572ea345877597 [2023-12-02 18:51:01,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:51:01,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:51:01,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:51:01,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:51:01,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:51:01,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:01" (1/1) ... [2023-12-02 18:51:01,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453d553f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:01, skipping insertion in model container [2023-12-02 18:51:01,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:01" (1/1) ... [2023-12-02 18:51:01,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:51:01,704 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_f4377f16-7177-4c90-91a1-e43bb976ac47/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2023-12-02 18:51:01,713 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_f4377f16-7177-4c90-91a1-e43bb976ac47/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2023-12-02 18:51:02,564 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,564 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,565 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,566 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,567 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,580 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,581 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,583 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,584 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,585 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,586 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,587 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,587 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:02,910 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 18:51:02,911 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 18:51:02,913 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 18:51:02,914 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 18:51:02,915 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 18:51:02,916 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 18:51:02,917 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 18:51:02,918 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 18:51:02,918 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 18:51:02,919 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 18:51:03,078 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,086 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,142 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,142 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:51:03,179 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:51:03,229 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_f4377f16-7177-4c90-91a1-e43bb976ac47/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2023-12-02 18:51:03,230 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_f4377f16-7177-4c90-91a1-e43bb976ac47/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2023-12-02 18:51:03,304 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,304 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,306 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,306 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,317 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,317 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,318 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,318 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,356 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 18:51:03,357 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 18:51:03,358 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 18:51:03,359 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 18:51:03,359 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 18:51:03,360 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 18:51:03,360 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 18:51:03,361 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 18:51:03,361 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 18:51:03,362 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 18:51:03,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,393 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2023-12-02 18:51:03,420 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,420 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 18:51:03,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:51:03,586 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,586 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,586 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,587 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,588 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,588 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,588 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,588 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,588 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:51:03,595 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:51:03,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03 WrapperNode [2023-12-02 18:51:03,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:51:03,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:51:03,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:51:03,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:51:03,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,739 INFO L138 Inliner]: procedures = 690, calls = 1683, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 657 [2023-12-02 18:51:03,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:51:03,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:51:03,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:51:03,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:51:03,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:51:03,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:51:03,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:51:03,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:51:03,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (1/1) ... [2023-12-02 18:51:03,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:51:03,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:03,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:51:03,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:51:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-12-02 18:51:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-12-02 18:51:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 18:51:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-02 18:51:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-02 18:51:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 18:51:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 18:51:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:51:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:51:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 18:51:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-12-02 18:51:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-12-02 18:51:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:51:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:51:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 18:51:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 18:51:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 18:51:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 18:51:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-12-02 18:51:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-12-02 18:51:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-02 18:51:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-02 18:51:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-12-02 18:51:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-12-02 18:51:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:51:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:51:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-12-02 18:51:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-12-02 18:51:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:51:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 18:51:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-12-02 18:51:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-12-02 18:51:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-12-02 18:51:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:51:04,145 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:51:04,147 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:51:04,824 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:51:04,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:51:04,966 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:51:04,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:04 BoogieIcfgContainer [2023-12-02 18:51:04,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:51:04,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:51:04,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:51:04,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:51:04,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:51:01" (1/3) ... [2023-12-02 18:51:04,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7411c5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:04, skipping insertion in model container [2023-12-02 18:51:04,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:03" (2/3) ... [2023-12-02 18:51:04,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7411c5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:04, skipping insertion in model container [2023-12-02 18:51:04,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:04" (3/3) ... [2023-12-02 18:51:04,974 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2023-12-02 18:51:04,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:51:04,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:51:05,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:51:05,040 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;@219991d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:51:05,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:51:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 18:51:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 18:51:05,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:05,056 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:05,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:05,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash 348985392, now seen corresponding path program 1 times [2023-12-02 18:51:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:05,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862746664] [2023-12-02 18:51:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:05,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-12-02 18:51:05,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:05,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862746664] [2023-12-02 18:51:05,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862746664] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:51:05,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092689598] [2023-12-02 18:51:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:05,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:05,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:05,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:51:05,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:51:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:06,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 2209 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:51:06,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 18:51:06,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:51:06,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092689598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:06,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:51:06,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-12-02 18:51:06,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073688089] [2023-12-02 18:51:06,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:06,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:51:06,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:51:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 18:51:06,589 INFO L87 Difference]: Start difference. First operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 18:51:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:07,103 INFO L93 Difference]: Finished difference Result 271 states and 380 transitions. [2023-12-02 18:51:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:51:07,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2023-12-02 18:51:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:07,116 INFO L225 Difference]: With dead ends: 271 [2023-12-02 18:51:07,116 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 18:51:07,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:51:07,123 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 38 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:07,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 557 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 18:51:07,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 18:51:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 18:51:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2023-12-02 18:51:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2023-12-02 18:51:07,180 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 95 [2023-12-02 18:51:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:07,181 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2023-12-02 18:51:07,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 18:51:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2023-12-02 18:51:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 18:51:07,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:07,188 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:51:07,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:51:07,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:51:07,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:07,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:07,393 INFO L85 PathProgramCache]: Analyzing trace with hash -963362522, now seen corresponding path program 1 times [2023-12-02 18:51:07,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:07,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284113348] [2023-12-02 18:51:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:07,494 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:51:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877992243] [2023-12-02 18:51:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:07,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:07,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:07,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:51:07,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:51:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:08,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 2473 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 18:51:08,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 18:51:08,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:51:08,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:08,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284113348] [2023-12-02 18:51:08,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:51:08,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877992243] [2023-12-02 18:51:08,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877992243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:08,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:08,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 18:51:08,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889708269] [2023-12-02 18:51:08,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:08,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:51:08,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:51:08,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:51:08,190 INFO L87 Difference]: Start difference. First operand 143 states and 191 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 18:51:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:08,553 INFO L93 Difference]: Finished difference Result 232 states and 309 transitions. [2023-12-02 18:51:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:51:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2023-12-02 18:51:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:08,558 INFO L225 Difference]: With dead ends: 232 [2023-12-02 18:51:08,558 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 18:51:08,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 18:51:08,562 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 37 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:08,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 660 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 18:51:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 18:51:08,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 18:51:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2023-12-02 18:51:08,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 188 transitions. [2023-12-02 18:51:08,586 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 188 transitions. Word has length 113 [2023-12-02 18:51:08,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:08,587 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 188 transitions. [2023-12-02 18:51:08,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 18:51:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-12-02 18:51:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 18:51:08,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:08,591 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:08,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 18:51:08,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:08,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:08,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1453026869, now seen corresponding path program 2 times [2023-12-02 18:51:08,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:08,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647955580] [2023-12-02 18:51:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:08,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:08,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:51:08,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93128235] [2023-12-02 18:51:08,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:51:08,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:08,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:08,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:51:08,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:51:09,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 18:51:09,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:51:09,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 18:51:09,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 18:51:09,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:51:09,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:09,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647955580] [2023-12-02 18:51:09,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:51:09,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93128235] [2023-12-02 18:51:09,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93128235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:09,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:09,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:51:09,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702325688] [2023-12-02 18:51:09,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:09,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:51:09,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:09,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:51:09,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:51:09,563 INFO L87 Difference]: Start difference. First operand 143 states and 188 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 18:51:09,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:09,923 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2023-12-02 18:51:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:51:09,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2023-12-02 18:51:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:09,926 INFO L225 Difference]: With dead ends: 223 [2023-12-02 18:51:09,926 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 18:51:09,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:51:09,928 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:09,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 583 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 18:51:09,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 18:51:09,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 18:51:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (51), 50 states have call predecessors, (51), 50 states have call successors, (51) [2023-12-02 18:51:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2023-12-02 18:51:09,947 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 122 [2023-12-02 18:51:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:09,947 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2023-12-02 18:51:09,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 18:51:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2023-12-02 18:51:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 18:51:09,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:09,950 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:09,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 18:51:10,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:10,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:10,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:10,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1866569766, now seen corresponding path program 3 times [2023-12-02 18:51:10,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:10,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508567166] [2023-12-02 18:51:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:10,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:10,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:51:10,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691610782] [2023-12-02 18:51:10,251 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 18:51:10,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:10,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:10,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:51:10,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:51:10,789 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 18:51:10,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:51:10,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 2737 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 18:51:10,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-12-02 18:51:10,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:51:10,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:10,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508567166] [2023-12-02 18:51:10,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:51:10,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691610782] [2023-12-02 18:51:10,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691610782] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:10,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:10,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 18:51:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019437793] [2023-12-02 18:51:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:10,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 18:51:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:10,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 18:51:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-02 18:51:10,893 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 18:51:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:11,379 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2023-12-02 18:51:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:51:11,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2023-12-02 18:51:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:11,381 INFO L225 Difference]: With dead ends: 220 [2023-12-02 18:51:11,382 INFO L226 Difference]: Without dead ends: 141 [2023-12-02 18:51:11,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:51:11,383 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 40 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:11,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 935 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 18:51:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-12-02 18:51:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-12-02 18:51:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 74 states have internal predecessors, (82), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 18:51:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2023-12-02 18:51:11,397 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 131 [2023-12-02 18:51:11,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:11,397 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2023-12-02 18:51:11,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 18:51:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2023-12-02 18:51:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 18:51:11,399 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:11,399 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:11,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:51:11,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:11,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:11,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash -87301905, now seen corresponding path program 1 times [2023-12-02 18:51:11,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:11,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617651853] [2023-12-02 18:51:11,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:11,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:11,687 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:51:11,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84714323] [2023-12-02 18:51:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:11,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:51:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:11,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:51:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4377f16-7177-4c90-91a1-e43bb976ac47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 18:51:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:12,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 18:51:12,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:12,426 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-12-02 18:51:12,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:51:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-02 18:51:12,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:12,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617651853] [2023-12-02 18:51:12,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:51:12,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84714323] [2023-12-02 18:51:12,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84714323] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:51:12,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [306616175] [2023-12-02 18:51:12,889 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2023-12-02 18:51:12,890 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:51:12,893 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:51:12,897 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:51:12,897 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:58:56,396 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 40 for LOIs [2023-12-02 18:58:56,774 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2152 for LOIs [2023-12-02 18:59:05,121 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 92 for LOIs [2023-12-02 18:59:05,372 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 75 for LOIs [2023-12-02 18:59:05,385 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2228 for LOIs [2023-12-02 19:00:08,694 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 2197 DAG size of output: 2177 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:01:10,079 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 2197 DAG size of output: 2177 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:02:05,533 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 2276 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:02:10,682 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 2276 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:02:21,128 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 2197 DAG size of output: 2177 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:02:52,524 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 2280 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:02:52,538 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 38 for LOIs [2023-12-02 19:02:52,542 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 36 for LOIs [2023-12-02 19:02:52,546 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 81 for LOIs [2023-12-02 19:02:52,733 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 75 for LOIs [2023-12-02 19:02:52,752 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:04:39,038 WARN L293 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 2147 DAG size of output: 2145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:05:54,399 WARN L293 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 2152 DAG size of output: 2150 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)