./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:08:26,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:26,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:26,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:26,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:26,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:26,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:26,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:26,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:26,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:26,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:26,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:26,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:26,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:26,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:26,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:26,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:26,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:26,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:26,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:26,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:26,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:26,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:26,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:26,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:26,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:26,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:26,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:26,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:26,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:26,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:26,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:26,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:26,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:26,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:26,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:26,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:26,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:26,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:26,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:26,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:26,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:08:26,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:26,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:26,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:26,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:26,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:26,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:26,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:26,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:26,154 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:26,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:26,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:26,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:26,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:26,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:26,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:26,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:26,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:26,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:26,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:26,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:26,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:26,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:26,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:26,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:26,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:26,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:26,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:26,159 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:26,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:26,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:26,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2022-11-02 21:08:26,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:26,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:26,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:26,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:26,549 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:26,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-02 21:08:26,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/data/68052a6f4/bec5358f6aef4a448a729207a218a034/FLAGcfcc7bd16 [2022-11-02 21:08:27,570 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:27,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-02 21:08:27,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/data/68052a6f4/bec5358f6aef4a448a729207a218a034/FLAGcfcc7bd16 [2022-11-02 21:08:27,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/data/68052a6f4/bec5358f6aef4a448a729207a218a034 [2022-11-02 21:08:27,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:27,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:27,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:27,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:27,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:27,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:27" (1/1) ... [2022-11-02 21:08:27,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d873a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:27, skipping insertion in model container [2022-11-02 21:08:27,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:27" (1/1) ... [2022-11-02 21:08:27,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:28,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:28,425 WARN L230 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-02 21:08:28,433 WARN L230 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-02 21:08:29,567 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,568 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,569 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,570 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,571 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,584 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,585 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,588 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,588 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,594 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,595 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,595 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:29,596 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,150 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 21:08:30,153 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 21:08:30,158 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 21:08:30,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 21:08:30,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 21:08:30,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 21:08:30,168 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 21:08:30,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 21:08:30,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 21:08:30,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 21:08:30,421 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 21:08:30,918 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,920 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,961 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,964 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,972 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,972 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:30,999 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,000 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,001 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,002 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,003 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,003 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,004 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:31,121 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:31,149 WARN L230 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-02 21:08:31,150 WARN L230 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_ab771a16-529d-4a32-ad21-73a90bfa0a76/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-02 21:08:31,192 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,194 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,194 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,195 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,196 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,205 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,206 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,207 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,207 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,208 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,209 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,209 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,209 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,239 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 21:08:31,240 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 21:08:31,243 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 21:08:31,244 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 21:08:31,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 21:08:31,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 21:08:31,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 21:08:31,246 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 21:08:31,246 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 21:08:31,247 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 21:08:31,321 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 21:08:31,436 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,436 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,449 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,450 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,454 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,454 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,464 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,465 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,466 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,466 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,466 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,467 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,468 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 21:08:31,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:31,761 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:31,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31 WrapperNode [2022-11-02 21:08:31,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:31,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:31,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:31,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:31,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,990 INFO L138 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2022-11-02 21:08:31,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:31,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:31,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:31,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:32,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:32,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:32,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:32,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:32,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:32,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:32,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:32,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:32,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-02 21:08:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-02 21:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-02 21:08:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-02 21:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 21:08:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 21:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 21:08:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 21:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 21:08:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 21:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-02 21:08:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-02 21:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2022-11-02 21:08:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2022-11-02 21:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 21:08:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 21:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:08:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 21:08:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 21:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:32,648 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:32,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:35,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-02 21:08:35,318 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:35,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:35,325 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-02 21:08:35,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:35 BoogieIcfgContainer [2022-11-02 21:08:35,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:35,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:35,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:35,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:35,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:27" (1/3) ... [2022-11-02 21:08:35,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bf8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:35, skipping insertion in model container [2022-11-02 21:08:35,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31" (2/3) ... [2022-11-02 21:08:35,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bf8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:35, skipping insertion in model container [2022-11-02 21:08:35,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:35" (3/3) ... [2022-11-02 21:08:35,336 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2022-11-02 21:08:35,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:35,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:08:35,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:35,411 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=LoopsAndPotentialCycles, 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;@7b5bafae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:35,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:08:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 21:08:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 21:08:35,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:35,429 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-11-02 21:08:35,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:35,434 INFO L85 PathProgramCache]: Analyzing trace with hash 412073855, now seen corresponding path program 1 times [2022-11-02 21:08:35,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:35,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996936905] [2022-11-02 21:08:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:08:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:08:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:08:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:08:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:08:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:08:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:08:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-02 21:08:36,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:36,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996936905] [2022-11-02 21:08:36,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996936905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:36,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:36,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192554197] [2022-11-02 21:08:36,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:36,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:36,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:36,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:36,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:36,594 INFO L87 Difference]: Start difference. First operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 21:08:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:37,040 INFO L93 Difference]: Finished difference Result 277 states and 402 transitions. [2022-11-02 21:08:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:37,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2022-11-02 21:08:37,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:37,058 INFO L225 Difference]: With dead ends: 277 [2022-11-02 21:08:37,058 INFO L226 Difference]: Without dead ends: 135 [2022-11-02 21:08:37,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:37,065 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 29 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:37,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 403 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 21:08:37,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-02 21:08:37,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-02 21:08:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-02 21:08:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 188 transitions. [2022-11-02 21:08:37,116 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 188 transitions. Word has length 93 [2022-11-02 21:08:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:37,117 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 188 transitions. [2022-11-02 21:08:37,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 21:08:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2022-11-02 21:08:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 21:08:37,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:37,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-11-02 21:08:37,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:08:37,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:37,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1080401153, now seen corresponding path program 1 times [2022-11-02 21:08:37,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:37,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093193632] [2022-11-02 21:08:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:37,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:08:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:08:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:08:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:08:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:08:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:08:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:08:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-02 21:08:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:40,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093193632] [2022-11-02 21:08:40,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093193632] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:40,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374764506] [2022-11-02 21:08:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:40,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:40,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:40,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:40,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:08:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:41,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 142 conjunts are in the unsatisfiable core [2022-11-02 21:08:41,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:41,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 21:08:43,192 INFO L356 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-02 21:08:43,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-02 21:08:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,137 INFO L356 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-02 21:08:44,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 144 [2022-11-02 21:08:44,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-02 21:08:44,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 21:08:44,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 21:08:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:44,559 INFO L356 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2022-11-02 21:08:44,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 89 [2022-11-02 21:08:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 21:08:45,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:45,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374764506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:45,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:45,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [13] total 44 [2022-11-02 21:08:45,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882010557] [2022-11-02 21:08:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:45,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-02 21:08:45,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:45,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-02 21:08:46,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1788, Unknown=1, NotChecked=0, Total=1892 [2022-11-02 21:08:46,001 INFO L87 Difference]: Start difference. First operand 135 states and 188 transitions. Second operand has 34 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 25 states have internal predecessors, (57), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-02 21:08:49,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:49,921 INFO L93 Difference]: Finished difference Result 228 states and 331 transitions. [2022-11-02 21:08:49,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-02 21:08:49,922 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 25 states have internal predecessors, (57), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) Word has length 93 [2022-11-02 21:08:49,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:49,927 INFO L225 Difference]: With dead ends: 228 [2022-11-02 21:08:49,927 INFO L226 Difference]: Without dead ends: 220 [2022-11-02 21:08:49,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=241, Invalid=4179, Unknown=2, NotChecked=0, Total=4422 [2022-11-02 21:08:49,931 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 154 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 3246 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2215 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:49,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 3246 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1517 Invalid, 0 Unknown, 2215 Unchecked, 1.9s Time] [2022-11-02 21:08:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-02 21:08:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 169. [2022-11-02 21:08:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 138 states have (on average 1.463768115942029) internal successors, (202), 139 states have internal predecessors, (202), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (23), 18 states have call predecessors, (23), 17 states have call successors, (23) [2022-11-02 21:08:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2022-11-02 21:08:49,956 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 93 [2022-11-02 21:08:49,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:49,957 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2022-11-02 21:08:49,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 25 states have internal predecessors, (57), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-02 21:08:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2022-11-02 21:08:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 21:08:49,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:49,961 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:50,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:50,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:50,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:50,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1889747779, now seen corresponding path program 1 times [2022-11-02 21:08:50,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:50,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610044383] [2022-11-02 21:08:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:50,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:08:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:08:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:08:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:08:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:08:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:08:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:08:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-02 21:08:52,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:52,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610044383] [2022-11-02 21:08:52,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610044383] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:52,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657734125] [2022-11-02 21:08:52,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:52,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:52,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:52,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:52,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:08:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:52,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-02 21:08:52,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-02 21:08:53,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:53,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657734125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:53,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:53,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 32 [2022-11-02 21:08:53,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749846992] [2022-11-02 21:08:53,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:53,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 21:08:53,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:53,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 21:08:53,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=922, Unknown=0, NotChecked=0, Total=992 [2022-11-02 21:08:53,354 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-02 21:08:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:53,712 INFO L93 Difference]: Finished difference Result 311 states and 457 transitions. [2022-11-02 21:08:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 21:08:53,713 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) Word has length 93 [2022-11-02 21:08:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:53,719 INFO L225 Difference]: With dead ends: 311 [2022-11-02 21:08:53,719 INFO L226 Difference]: Without dead ends: 168 [2022-11-02 21:08:53,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2022-11-02 21:08:53,727 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 24 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:53,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2225 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:08:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-02 21:08:53,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-11-02 21:08:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 137 states have (on average 1.467153284671533) internal successors, (201), 140 states have internal predecessors, (201), 17 states have call successors, (17), 10 states have call predecessors, (17), 13 states have return successors, (20), 17 states have call predecessors, (20), 16 states have call successors, (20) [2022-11-02 21:08:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 238 transitions. [2022-11-02 21:08:53,756 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 238 transitions. Word has length 93 [2022-11-02 21:08:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:53,759 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 238 transitions. [2022-11-02 21:08:53,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-02 21:08:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 238 transitions. [2022-11-02 21:08:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 21:08:53,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:53,772 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:53,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:53,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:53,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:53,990 INFO L85 PathProgramCache]: Analyzing trace with hash -420869631, now seen corresponding path program 2 times [2022-11-02 21:08:53,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:53,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87905282] [2022-11-02 21:08:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:53,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:08:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:08:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:08:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:08:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:08:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:08:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:08:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-02 21:08:55,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:55,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87905282] [2022-11-02 21:08:55,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87905282] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:55,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657896519] [2022-11-02 21:08:55,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:08:55,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:08:56,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:08:56,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:08:56,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-02 21:08:56,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-02 21:08:57,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:57,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657896519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:57,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:57,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 37 [2022-11-02 21:08:57,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837844132] [2022-11-02 21:08:57,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:57,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 21:08:57,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 21:08:57,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1251, Unknown=0, NotChecked=0, Total=1332 [2022-11-02 21:08:57,135 INFO L87 Difference]: Start difference. First operand 168 states and 238 transitions. Second operand has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-02 21:08:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:57,572 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2022-11-02 21:08:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 21:08:57,573 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 93 [2022-11-02 21:08:57,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:57,575 INFO L225 Difference]: With dead ends: 287 [2022-11-02 21:08:57,576 INFO L226 Difference]: Without dead ends: 150 [2022-11-02 21:08:57,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=118, Invalid=1774, Unknown=0, NotChecked=0, Total=1892 [2022-11-02 21:08:57,579 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 31 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:57,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2404 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:08:57,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-02 21:08:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-02 21:08:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.472) internal successors, (184), 125 states have internal predecessors, (184), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-02 21:08:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 213 transitions. [2022-11-02 21:08:57,600 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 213 transitions. Word has length 93 [2022-11-02 21:08:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:57,601 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 213 transitions. [2022-11-02 21:08:57,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-02 21:08:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 213 transitions. [2022-11-02 21:08:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-02 21:08:57,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:57,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-11-02 21:08:57,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:57,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:57,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1741756842, now seen corresponding path program 1 times [2022-11-02 21:08:57,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459103202] [2022-11-02 21:08:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:08:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:09:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:09:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:09:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:09:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:09:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:09:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:09:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-02 21:09:00,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:00,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459103202] [2022-11-02 21:09:00,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459103202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:09:00,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72699531] [2022-11-02 21:09:00,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:00,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:09:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:00,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:09:00,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 21:09:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 123 conjunts are in the unsatisfiable core [2022-11-02 21:09:00,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:09:00,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 21:09:03,198 INFO L356 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-02 21:09:03,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-02 21:09:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:03,989 INFO L356 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-02 21:09:03,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 172 [2022-11-02 21:09:04,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-02 21:09:04,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 21:09:04,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 21:09:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:04,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:04,312 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-02 21:09:04,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 96 [2022-11-02 21:09:04,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-02 21:09:04,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-02 21:09:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 21:09:05,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:09:07,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72699531] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:09:07,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:09:07,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 35] total 45 [2022-11-02 21:09:07,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067857633] [2022-11-02 21:09:07,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:09:07,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-02 21:09:07,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:07,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-02 21:09:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=2610, Unknown=1, NotChecked=0, Total=2756 [2022-11-02 21:09:07,736 INFO L87 Difference]: Start difference. First operand 150 states and 213 transitions. Second operand has 45 states, 38 states have (on average 2.6842105263157894) internal successors, (102), 32 states have internal predecessors, (102), 14 states have call successors, (28), 8 states have call predecessors, (28), 12 states have return successors, (26), 15 states have call predecessors, (26), 13 states have call successors, (26) [2022-11-02 21:09:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:09,126 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions. [2022-11-02 21:09:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 21:09:09,127 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 38 states have (on average 2.6842105263157894) internal successors, (102), 32 states have internal predecessors, (102), 14 states have call successors, (28), 8 states have call predecessors, (28), 12 states have return successors, (26), 15 states have call predecessors, (26), 13 states have call successors, (26) Word has length 94 [2022-11-02 21:09:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:09,127 INFO L225 Difference]: With dead ends: 154 [2022-11-02 21:09:09,127 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:09:09,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=240, Invalid=3919, Unknown=1, NotChecked=0, Total=4160 [2022-11-02 21:09:09,130 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 43 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 177 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:09,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 306 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 609 Invalid, 0 Unknown, 177 Unchecked, 0.6s Time] [2022-11-02 21:09:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:09:09,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:09:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:09:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:09:09,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2022-11-02 21:09:09,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:09,131 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:09,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 38 states have (on average 2.6842105263157894) internal successors, (102), 32 states have internal predecessors, (102), 14 states have call successors, (28), 8 states have call predecessors, (28), 12 states have return successors, (26), 15 states have call predecessors, (26), 13 states have call successors, (26) [2022-11-02 21:09:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:09:09,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:09:09,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:09:09,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:09:09,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:09:09,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:09:09,505 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6861 6865) no Hoare annotation was computed. [2022-11-02 21:09:09,506 INFO L895 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: (and (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 1) |#StackHeapBarrier|) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0)) [2022-11-02 21:09:09,506 INFO L899 garLoopResultBuilder]: For program point L6871-1(lines 6871 6872) no Hoare annotation was computed. [2022-11-02 21:09:09,506 INFO L895 garLoopResultBuilder]: At program point L6871(line 6871) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|)) [2022-11-02 21:09:09,506 INFO L899 garLoopResultBuilder]: For program point L6871-5(lines 6871 6872) no Hoare annotation was computed. [2022-11-02 21:09:09,506 INFO L899 garLoopResultBuilder]: For program point L6868-1(line 6868) no Hoare annotation was computed. [2022-11-02 21:09:09,506 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6861 6865) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-02 21:09:09,506 INFO L895 garLoopResultBuilder]: At program point L6868(line 6868) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (or .cse0 (<= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (+ 31 (* (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616)))) (= |old(#valid)| |#valid|) (or (<= |ensure_string_is_allocated_bounded_length_~len~1#1| (+ (* 18446744073709551616 (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616)) 31)) .cse0))) [2022-11-02 21:09:09,506 INFO L899 garLoopResultBuilder]: For program point L6871-3(line 6871) no Hoare annotation was computed. [2022-11-02 21:09:09,507 INFO L895 garLoopResultBuilder]: At program point L6871-2(line 6871) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|)) [2022-11-02 21:09:09,507 INFO L895 garLoopResultBuilder]: At program point L6862(line 6862) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |old(#valid)| |#valid|)) [2022-11-02 21:09:09,507 INFO L899 garLoopResultBuilder]: For program point L6863-1(line 6863) no Hoare annotation was computed. [2022-11-02 21:09:09,507 INFO L895 garLoopResultBuilder]: At program point L6863(line 6863) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |old(#valid)| |#valid|)) [2022-11-02 21:09:09,507 INFO L899 garLoopResultBuilder]: For program point L6862-1(line 6862) no Hoare annotation was computed. [2022-11-02 21:09:09,507 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6861 6865) no Hoare annotation was computed. [2022-11-02 21:09:09,507 INFO L899 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2022-11-02 21:09:09,507 INFO L895 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 21:09:09,508 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-02 21:09:09,508 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-02 21:09:09,508 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6291 6295) the Hoare annotation is: true [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6291 6295) no Hoare annotation was computed. [2022-11-02 21:09:09,508 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6291 6295) no Hoare annotation was computed. [2022-11-02 21:09:09,509 INFO L899 garLoopResultBuilder]: For program point L6293-2(line 6293) no Hoare annotation was computed. [2022-11-02 21:09:09,509 INFO L902 garLoopResultBuilder]: At program point L6293(line 6293) the Hoare annotation is: true [2022-11-02 21:09:09,509 INFO L902 garLoopResultBuilder]: At program point L6293-1(line 6293) the Hoare annotation is: true [2022-11-02 21:09:09,509 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-02 21:09:09,509 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-02 21:09:09,509 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 21:09:09,509 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-02 21:09:09,510 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2022-11-02 21:09:09,510 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2022-11-02 21:09:09,510 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2022-11-02 21:09:09,510 INFO L899 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2022-11-02 21:09:09,510 INFO L899 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2022-11-02 21:09:09,510 INFO L899 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6301 6306) the Hoare annotation is: true [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6301 6306) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6301 6306) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2022-11-02 21:09:09,511 INFO L899 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2022-11-02 21:09:09,512 INFO L899 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2022-11-02 21:09:09,512 INFO L899 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2022-11-02 21:09:09,512 INFO L899 garLoopResultBuilder]: For program point hashlittle2FINAL(lines 8838 8977) no Hoare annotation was computed. [2022-11-02 21:09:09,512 INFO L899 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2022-11-02 21:09:09,512 INFO L902 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: true [2022-11-02 21:09:09,512 INFO L899 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L902 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: true [2022-11-02 21:09:09,513 INFO L902 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: true [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2022-11-02 21:09:09,513 INFO L899 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point hashlittle2EXIT(lines 8838 8977) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2022-11-02 21:09:09,514 INFO L899 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2022-11-02 21:09:09,515 INFO L899 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L902 garLoopResultBuilder]: At program point hashlittle2ENTRY(lines 8838 8977) the Hoare annotation is: true [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2022-11-02 21:09:09,516 INFO L899 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L902 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: true [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2022-11-02 21:09:09,517 INFO L899 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L902 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: true [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2022-11-02 21:09:09,518 INFO L899 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2022-11-02 21:09:09,519 INFO L899 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2022-11-02 21:09:09,519 INFO L899 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2022-11-02 21:09:09,519 INFO L902 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: true [2022-11-02 21:09:09,519 INFO L899 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2022-11-02 21:09:09,519 INFO L899 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2022-11-02 21:09:09,519 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-02 21:09:09,520 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-02 21:09:09,520 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-02 21:09:09,520 INFO L899 garLoopResultBuilder]: For program point L9951-2(line 9951) no Hoare annotation was computed. [2022-11-02 21:09:09,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:09:09,520 INFO L895 garLoopResultBuilder]: At program point L9951-4(line 9951) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |ULTIMATE.start_aws_hash_string_~str~3#1.base|))) (let ((.cse0 (mod (select .cse1 (+ |ULTIMATE.start_aws_hash_string_~str~3#1.offset| 8)) 18446744073709551616))) (and (not (< 12 .cse0)) (not (= |ULTIMATE.start_aws_hash_string_~str~3#1.base| 0)) (not (= |ULTIMATE.start_aws_hash_string_~item#1.base| 0)) (= |ULTIMATE.start_aws_hash_string_~str~3#1.offset| 0) (= (mod (select .cse1 (+ |ULTIMATE.start_aws_hash_string_~str~3#1.offset| 16 .cse0)) 256) 0)))) [2022-11-02 21:09:09,520 INFO L899 garLoopResultBuilder]: For program point L9951-5(line 9951) no Hoare annotation was computed. [2022-11-02 21:09:09,521 INFO L895 garLoopResultBuilder]: At program point L9951-1(line 9951) the Hoare annotation is: (= 1 |ULTIMATE.start_aws_hash_string_#t~ret1269#1|) [2022-11-02 21:09:09,521 INFO L895 garLoopResultBuilder]: At program point L9945(line 9945) the Hoare annotation is: false [2022-11-02 21:09:09,521 INFO L895 garLoopResultBuilder]: At program point L9945-1(line 9945) the Hoare annotation is: false [2022-11-02 21:09:09,521 INFO L899 garLoopResultBuilder]: For program point L9945-2(line 9945) no Hoare annotation was computed. [2022-11-02 21:09:09,521 INFO L902 garLoopResultBuilder]: At program point L10247(line 10247) the Hoare annotation is: true [2022-11-02 21:09:09,521 INFO L899 garLoopResultBuilder]: For program point L10247-1(line 10247) no Hoare annotation was computed. [2022-11-02 21:09:09,521 INFO L899 garLoopResultBuilder]: For program point L9950-1(line 9950) no Hoare annotation was computed. [2022-11-02 21:09:09,522 INFO L895 garLoopResultBuilder]: At program point L9950-2(line 9950) the Hoare annotation is: false [2022-11-02 21:09:09,522 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:09:09,522 INFO L899 garLoopResultBuilder]: For program point L9950-3(line 9950) no Hoare annotation was computed. [2022-11-02 21:09:09,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:09:09,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:09:09,522 INFO L895 garLoopResultBuilder]: At program point L9950(line 9950) the Hoare annotation is: false [2022-11-02 21:09:09,522 INFO L902 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2022-11-02 21:09:09,523 INFO L902 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2022-11-02 21:09:09,523 INFO L899 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2022-11-02 21:09:09,523 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-02 21:09:09,523 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-02 21:09:09,523 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-02 21:09:09,523 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-02 21:09:09,524 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-02 21:09:09,524 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-02 21:09:09,527 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-11-02 21:09:09,537 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:09:09,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:09:09 BoogieIcfgContainer [2022-11-02 21:09:09,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:09:09,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:09:09,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:09:09,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:09:09,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:35" (3/4) ... [2022-11-02 21:09:09,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:09:09,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-11-02 21:09:09,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-02 21:09:09,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hashlittle2 [2022-11-02 21:09:09,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-02 21:09:09,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-02 21:09:09,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-11-02 21:09:09,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 21:09:09,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-02 21:09:09,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-02 21:09:09,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-02 21:09:09,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2022-11-02 21:09:09,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-02 21:09:09,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-02 21:09:09,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-02 21:09:09,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-02 21:09:09,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 21:09:09,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:09:09,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:09:09,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result + 1 <= unknown-#StackHeapBarrier-unknown && !(\old(max_size) == 32)) && !(str == 0)) && str == 0) && !(\result == 0)) && (\old(max_size) == max_size || 32 == max_size)) && str + 1 <= unknown-#StackHeapBarrier-unknown) && \result == 0 [2022-11-02 21:09:10,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:09:10,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:09:10,063 INFO L158 Benchmark]: Toolchain (without parser) took 42094.46ms. Allocated memory was 102.8MB in the beginning and 805.3MB in the end (delta: 702.5MB). Free memory was 72.6MB in the beginning and 335.2MB in the end (delta: -262.6MB). Peak memory consumption was 439.8MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,063 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:10,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3791.67ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 72.2MB in the beginning and 44.3MB in the end (delta: 27.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.57ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 44.3MB in the beginning and 131.8MB in the end (delta: -87.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,064 INFO L158 Benchmark]: Boogie Preprocessor took 161.19ms. Allocated memory is still 195.0MB. Free memory was 131.8MB in the beginning and 123.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,065 INFO L158 Benchmark]: RCFGBuilder took 3174.26ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 123.4MB in the beginning and 80.5MB in the end (delta: 42.9MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,065 INFO L158 Benchmark]: TraceAbstraction took 34229.91ms. Allocated memory was 234.9MB in the beginning and 805.3MB in the end (delta: 570.4MB). Free memory was 79.5MB in the beginning and 458.9MB in the end (delta: -379.4MB). Peak memory consumption was 191.0MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,065 INFO L158 Benchmark]: Witness Printer took 502.42ms. Allocated memory is still 805.3MB. Free memory was 458.9MB in the beginning and 335.2MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-02 21:09:10,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3791.67ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 72.2MB in the beginning and 44.3MB in the end (delta: 27.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.57ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 44.3MB in the beginning and 131.8MB in the end (delta: -87.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.19ms. Allocated memory is still 195.0MB. Free memory was 131.8MB in the beginning and 123.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3174.26ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 123.4MB in the beginning and 80.5MB in the end (delta: 42.9MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34229.91ms. Allocated memory was 234.9MB in the beginning and 805.3MB in the end (delta: 570.4MB). Free memory was 79.5MB in the beginning and 458.9MB in the end (delta: -379.4MB). Peak memory consumption was 191.0MB. Max. memory is 16.1GB. * Witness Printer took 502.42ms. Allocated memory is still 805.3MB. Free memory was 458.9MB in the beginning and 335.2MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 8584 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2392 IncrementalHoareTripleChecker+Unchecked, 7843 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2739 IncrementalHoareTripleChecker+Invalid, 5241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 741 mSDtfsCounter, 2739 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1582 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=2, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 104 PreInvPairs, 116 NumberOfFragments, 302 HoareAnnotationTreeSize, 104 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 830 ConstructedInterpolants, 50 QuantifiedInterpolants, 6820 SizeOfPredicates, 107 NumberOfNonLiveVariables, 8644 ConjunctsInSsa, 331 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 335/405 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8936]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant Derived loop invariant: ((((((\result + 1 <= unknown-#StackHeapBarrier-unknown && !(\old(max_size) == 32)) && !(str == 0)) && str == 0) && !(\result == 0)) && (\old(max_size) == max_size || 32 == max_size)) && str + 1 <= unknown-#StackHeapBarrier-unknown) && \result == 0 - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: (((!(12 < unknown-#memory_int-unknown[str][str + 8] % 18446744073709551616) && !(str == 0)) && !(item == 0)) && str == 0) && unknown-#memory_int-unknown[str][str + 16 + unknown-#memory_int-unknown[str][str + 8] % 18446744073709551616] % 256 == 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 21:09:10,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab771a16-529d-4a32-ad21-73a90bfa0a76/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE