./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:04:36,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:04:36,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 12:04:36,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:04:36,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:04:36,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:04:36,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:04:36,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:04:36,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:04:36,890 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:04:36,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:04:36,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:04:36,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:04:36,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:04:36,896 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:04:36,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:04:36,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:04:36,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:04:36,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:04:36,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:04:36,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:04:36,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:04:36,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:04:36,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:04:36,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:04:36,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:04:36,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:04:36,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:04:36,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:36,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:04:36,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:04:36,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:04:36,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:04:36,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:04:36,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:04:36,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:04:36,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:04:36,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:04:36,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:04:36,910 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 [2023-11-26 12:04:37,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:04:37,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:04:37,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:04:37,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:04:37,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:04:37,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2023-11-26 12:04:40,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:04:41,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:04:41,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2023-11-26 12:04:41,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/data/3332e16ee/90d1aad8613b4cf68d79ec81049eede8/FLAGd37d0a273 [2023-11-26 12:04:41,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/data/3332e16ee/90d1aad8613b4cf68d79ec81049eede8 [2023-11-26 12:04:41,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:04:41,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:04:41,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:41,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:04:41,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:04:41,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:41" (1/1) ... [2023-11-26 12:04:41,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbd8d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:41, skipping insertion in model container [2023-11-26 12:04:41,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:41" (1/1) ... [2023-11-26 12:04:41,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:04:41,885 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_069be082-79ba-4199-a8ca-1bca80fd1d77/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2023-11-26 12:04:41,897 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_069be082-79ba-4199-a8ca-1bca80fd1d77/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2023-11-26 12:04:43,287 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,287 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,288 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,289 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,291 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,306 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,310 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,313 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:43,927 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-26 12:04:43,928 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-26 12:04:43,930 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-26 12:04:43,931 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-26 12:04:43,934 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-26 12:04:43,935 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-26 12:04:43,936 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-26 12:04:43,936 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-26 12:04:43,937 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-26 12:04:43,938 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-26 12:04:44,735 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,737 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,781 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,812 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,813 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,816 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,816 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,817 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:44,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:44,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:04:45,023 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_069be082-79ba-4199-a8ca-1bca80fd1d77/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4496,4509] [2023-11-26 12:04:45,025 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_069be082-79ba-4199-a8ca-1bca80fd1d77/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[4556,4569] [2023-11-26 12:04:45,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,101 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,112 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,116 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,120 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,125 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,127 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,128 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,128 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,129 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,183 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-26 12:04:45,185 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-26 12:04:45,186 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-26 12:04:45,188 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-26 12:04:45,189 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-26 12:04:45,190 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-26 12:04:45,191 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-26 12:04:45,192 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-26 12:04:45,192 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-26 12:04:45,193 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-26 12:04:45,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-26 12:04:45,391 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,392 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,405 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,406 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,421 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,422 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,422 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,424 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,424 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:04:45,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:45,840 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,840 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,840 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,840 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,841 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,842 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,843 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,843 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:45,851 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:04:45,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45 WrapperNode [2023-11-26 12:04:45,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:45,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:45,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:04:45,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:04:45,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:45,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,099 INFO L138 Inliner]: procedures = 773, calls = 2436, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 964 [2023-11-26 12:04:46,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:46,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:04:46,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:04:46,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:04:46,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,127 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,286 INFO L175 MemorySlicer]: Split 378 memory accesses to 8 slices as follows [2, 5, 247, 44, 2, 2, 73, 3]. 65 percent of accesses are in the largest equivalence class. The 255 initializations are split as follows [2, 5, 236, 0, 0, 0, 9, 3]. The 25 writes are split as follows [0, 0, 1, 8, 1, 1, 14, 0]. [2023-11-26 12:04:46,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:04:46,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:04:46,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:04:46,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:04:46,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (1/1) ... [2023-11-26 12:04:46,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:46,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:04:46,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:04:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:04:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:04:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 12:04:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-26 12:04:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-26 12:04:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:04:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:04:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:04:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:04:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:04:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:04:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-26 12:04:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-26 12:04:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 12:04:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 12:04:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-26 12:04:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-26 12:04:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:04:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:04:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:04:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:04:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 12:04:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:04:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-26 12:04:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-26 12:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-26 12:04:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-26 12:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 12:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 12:04:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 12:04:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 12:04:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 12:04:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 12:04:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 12:04:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 12:04:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 12:04:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 12:04:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 12:04:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:04:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-26 12:04:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-26 12:04:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:04:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:04:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:04:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:04:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:04:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:04:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:04:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 12:04:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-26 12:04:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-26 12:04:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:04:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:04:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-26 12:04:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-26 12:04:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-26 12:04:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-26 12:04:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:04:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-26 12:04:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-26 12:04:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 12:04:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 12:04:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-26 12:04:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-26 12:04:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2023-11-26 12:04:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2023-11-26 12:04:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:04:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:04:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2023-11-26 12:04:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2023-11-26 12:04:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-26 12:04:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-26 12:04:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-26 12:04:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-26 12:04:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 12:04:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 12:04:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 12:04:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 12:04:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 12:04:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 12:04:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 12:04:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 12:04:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-26 12:04:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-26 12:04:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-26 12:04:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-26 12:04:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2023-11-26 12:04:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2023-11-26 12:04:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 12:04:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 12:04:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:04:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:04:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:04:47,039 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:04:47,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:04:47,465 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-26 12:04:47,465 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !true; [2023-11-26 12:04:48,339 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2023-11-26 12:04:48,389 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:04:48,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:04:48,618 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-26 12:04:48,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:48 BoogieIcfgContainer [2023-11-26 12:04:48,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:04:48,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:04:48,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:04:48,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:04:48,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:41" (1/3) ... [2023-11-26 12:04:48,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ef6915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:48, skipping insertion in model container [2023-11-26 12:04:48,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:45" (2/3) ... [2023-11-26 12:04:48,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ef6915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:48, skipping insertion in model container [2023-11-26 12:04:48,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:48" (3/3) ... [2023-11-26 12:04:48,629 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2023-11-26 12:04:48,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:04:48,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:04:48,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:04:48,746 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=PETRI_NET, 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;@a37c042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:04:48,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:04:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 269 states, 167 states have (on average 1.3592814371257484) internal successors, (227), 164 states have internal predecessors, (227), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-26 12:04:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-26 12:04:48,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:48,773 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:48,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:48,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:48,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1953989493, now seen corresponding path program 1 times [2023-11-26 12:04:48,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:48,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189010272] [2023-11-26 12:04:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:49,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189010272] [2023-11-26 12:04:49,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:04:49,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953996699] [2023-11-26 12:04:49,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:49,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:49,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:49,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:49,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:04:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:50,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2346 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:04:50,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-26 12:04:50,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:50,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953996699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:50,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:50,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:50,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220051198] [2023-11-26 12:04:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:50,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:04:50,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:50,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:04:50,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:04:50,407 INFO L87 Difference]: Start difference. First operand has 269 states, 167 states have (on average 1.3592814371257484) internal successors, (227), 164 states have internal predecessors, (227), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-26 12:04:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:50,638 INFO L93 Difference]: Finished difference Result 532 states and 834 transitions. [2023-11-26 12:04:50,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:04:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2023-11-26 12:04:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:50,662 INFO L225 Difference]: With dead ends: 532 [2023-11-26 12:04:50,662 INFO L226 Difference]: Without dead ends: 267 [2023-11-26 12:04:50,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:04:50,685 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:50,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:04:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-26 12:04:50,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2023-11-26 12:04:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 162 states have (on average 1.308641975308642) internal successors, (212), 163 states have internal predecessors, (212), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-26 12:04:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 373 transitions. [2023-11-26 12:04:50,822 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 373 transitions. Word has length 112 [2023-11-26 12:04:50,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:50,822 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 373 transitions. [2023-11-26 12:04:50,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-26 12:04:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 373 transitions. [2023-11-26 12:04:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 12:04:50,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:50,828 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:50,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:51,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:51,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:51,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1799312386, now seen corresponding path program 1 times [2023-11-26 12:04:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604070265] [2023-11-26 12:04:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:51,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:04:51,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066947468] [2023-11-26 12:04:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:51,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:51,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:51,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:04:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:51,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:04:51,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-26 12:04:52,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:04:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-26 12:04:52,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:52,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604070265] [2023-11-26 12:04:52,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:04:52,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066947468] [2023-11-26 12:04:52,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066947468] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:52,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:52,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2023-11-26 12:04:52,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154657331] [2023-11-26 12:04:52,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:52,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:04:52,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:52,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:04:52,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:04:52,582 INFO L87 Difference]: Start difference. First operand 267 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-26 12:04:53,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:53,698 INFO L93 Difference]: Finished difference Result 488 states and 699 transitions. [2023-11-26 12:04:53,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:04:53,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 117 [2023-11-26 12:04:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:53,708 INFO L225 Difference]: With dead ends: 488 [2023-11-26 12:04:53,709 INFO L226 Difference]: Without dead ends: 283 [2023-11-26 12:04:53,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2023-11-26 12:04:53,712 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 397 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:53,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1524 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 12:04:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-26 12:04:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2023-11-26 12:04:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 171 states have (on average 1.304093567251462) internal successors, (223), 173 states have internal predecessors, (223), 86 states have call successors, (86), 24 states have call predecessors, (86), 25 states have return successors, (92), 85 states have call predecessors, (92), 85 states have call successors, (92) [2023-11-26 12:04:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 401 transitions. [2023-11-26 12:04:53,761 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 401 transitions. Word has length 117 [2023-11-26 12:04:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:53,762 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 401 transitions. [2023-11-26 12:04:53,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-26 12:04:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 401 transitions. [2023-11-26 12:04:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-26 12:04:53,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:53,767 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:53,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 12:04:53,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:53,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:53,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1680586884, now seen corresponding path program 1 times [2023-11-26 12:04:53,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:53,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644366968] [2023-11-26 12:04:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:54,094 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:04:54,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684997163] [2023-11-26 12:04:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:54,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:54,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:54,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:54,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:04:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:54,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 2379 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:04:54,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-26 12:04:54,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:54,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:54,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644366968] [2023-11-26 12:04:54,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:04:54,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684997163] [2023-11-26 12:04:54,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684997163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:54,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:54,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:04:54,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645148703] [2023-11-26 12:04:54,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:54,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:04:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:04:54,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:54,881 INFO L87 Difference]: Start difference. First operand 283 states and 401 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:04:55,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:55,293 INFO L93 Difference]: Finished difference Result 533 states and 762 transitions. [2023-11-26 12:04:55,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:04:55,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2023-11-26 12:04:55,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:55,328 INFO L225 Difference]: With dead ends: 533 [2023-11-26 12:04:55,329 INFO L226 Difference]: Without dead ends: 287 [2023-11-26 12:04:55,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:04:55,332 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:55,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1368 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:04:55,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-26 12:04:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2023-11-26 12:04:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 174 states have (on average 1.2988505747126438) internal successors, (226), 176 states have internal predecessors, (226), 86 states have call successors, (86), 24 states have call predecessors, (86), 26 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2023-11-26 12:04:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 405 transitions. [2023-11-26 12:04:55,372 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 405 transitions. Word has length 118 [2023-11-26 12:04:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:55,372 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 405 transitions. [2023-11-26 12:04:55,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 12:04:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 405 transitions. [2023-11-26 12:04:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-26 12:04:55,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:55,376 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:55,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:55,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:55,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:55,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1148907450, now seen corresponding path program 1 times [2023-11-26 12:04:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:55,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521608244] [2023-11-26 12:04:55,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:04:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:04:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:04:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:04:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:04:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 12:04:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:04:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:04:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 12:04:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 12:04:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 12:04:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 12:04:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 12:04:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 12:04:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-26 12:04:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 12:04:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-26 12:04:58,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:58,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521608244] [2023-11-26 12:04:58,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521608244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:04:58,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469627049] [2023-11-26 12:04:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:04:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:58,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:04:58,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:04:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-26 12:04:58,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:59,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:04:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-26 12:04:59,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:59,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469627049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:59,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:04:59,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 23 [2023-11-26 12:04:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756577566] [2023-11-26 12:04:59,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:59,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 12:04:59,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 12:04:59,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2023-11-26 12:04:59,634 INFO L87 Difference]: Start difference. First operand 287 states and 405 transitions. Second operand has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 12:05:04,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 12:05:09,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 12:05:13,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 12:05:17,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 12:05:19,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:19,216 INFO L93 Difference]: Finished difference Result 539 states and 771 transitions. [2023-11-26 12:05:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:05:19,217 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 122 [2023-11-26 12:05:19,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:19,221 INFO L225 Difference]: With dead ends: 539 [2023-11-26 12:05:19,221 INFO L226 Difference]: Without dead ends: 305 [2023-11-26 12:05:19,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2023-11-26 12:05:19,225 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 344 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 46 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:19,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 1702 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 881 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2023-11-26 12:05:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-11-26 12:05:19,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2023-11-26 12:05:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 186 states have (on average 1.2956989247311828) internal successors, (241), 189 states have internal predecessors, (241), 86 states have call successors, (86), 26 states have call predecessors, (86), 29 states have return successors, (97), 86 states have call predecessors, (97), 85 states have call successors, (97) [2023-11-26 12:05:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 424 transitions. [2023-11-26 12:05:19,271 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 424 transitions. Word has length 122 [2023-11-26 12:05:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:19,272 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 424 transitions. [2023-11-26 12:05:19,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 12:05:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 424 transitions. [2023-11-26 12:05:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-26 12:05:19,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:19,276 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:19,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:19,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:19,489 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:19,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1203300348, now seen corresponding path program 1 times [2023-11-26 12:05:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:19,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954846877] [2023-11-26 12:05:19,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:19,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:05:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:05:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:05:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 12:05:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:05:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:05:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 12:05:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 12:05:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 12:05:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 12:05:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 12:05:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 12:05:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-26 12:05:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 12:05:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-26 12:05:20,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:20,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954846877] [2023-11-26 12:05:20,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954846877] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:20,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838857848] [2023-11-26 12:05:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:20,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:20,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:20,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:20,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:05:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:21,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 2373 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:21,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-26 12:05:21,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:21,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838857848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:21,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:05:21,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-11-26 12:05:21,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776020387] [2023-11-26 12:05:21,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:21,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:21,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:21,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:05:21,709 INFO L87 Difference]: Start difference. First operand 302 states and 424 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2023-11-26 12:05:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:22,143 INFO L93 Difference]: Finished difference Result 544 states and 783 transitions. [2023-11-26 12:05:22,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 122 [2023-11-26 12:05:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:22,151 INFO L225 Difference]: With dead ends: 544 [2023-11-26 12:05:22,151 INFO L226 Difference]: Without dead ends: 306 [2023-11-26 12:05:22,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:05:22,155 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 66 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:22,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 928 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:05:22,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-11-26 12:05:22,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2023-11-26 12:05:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 187 states have (on average 1.2941176470588236) internal successors, (242), 190 states have internal predecessors, (242), 87 states have call successors, (87), 26 states have call predecessors, (87), 29 states have return successors, (98), 87 states have call predecessors, (98), 86 states have call successors, (98) [2023-11-26 12:05:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 427 transitions. [2023-11-26 12:05:22,211 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 427 transitions. Word has length 122 [2023-11-26 12:05:22,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:22,214 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 427 transitions. [2023-11-26 12:05:22,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2023-11-26 12:05:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 427 transitions. [2023-11-26 12:05:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-26 12:05:22,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:22,218 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:22,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-26 12:05:22,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:22,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:22,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:22,419 INFO L85 PathProgramCache]: Analyzing trace with hash 34931819, now seen corresponding path program 1 times [2023-11-26 12:05:22,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:22,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966404516] [2023-11-26 12:05:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:22,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:05:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:05:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:05:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 12:05:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:05:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:05:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:05:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-26 12:05:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 12:05:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 12:05:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 12:05:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 12:05:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 12:05:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 12:05:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-26 12:05:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 12:05:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-26 12:05:24,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966404516] [2023-11-26 12:05:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966404516] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956387584] [2023-11-26 12:05:24,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:24,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:24,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069be082-79ba-4199-a8ca-1bca80fd1d77/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:05:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:24,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 2402 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-26 12:05:24,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:28,997 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$#2.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$#2.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true