./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/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_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:00:10,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:00:10,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:00:10,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:00:10,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:00:10,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:00:10,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:00:10,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:00:10,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:00:10,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:00:10,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:00:10,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:00:10,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:00:10,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:00:10,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:00:10,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:00:10,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:00:10,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:00:10,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:00:10,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:00:10,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:00:10,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:00:10,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:00:10,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:00:10,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:00:10,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:00:10,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:00:10,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:00:10,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:00:10,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:00:10,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:00:10,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:00:10,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:00:10,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:00:10,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:00:10,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:00:10,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:00:10,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:00:10,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:00:10,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:00:10,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:00:10,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:00:10,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:00:10,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:00:10,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:00:10,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:00:10,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:00:10,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:00:10,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:00:10,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:00:10,142 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:00:10,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:00:10,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:00:10,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:00:10,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:00:10,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:00:10,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:00:10,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:00:10,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:00:10,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:00:10,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:00:10,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:00:10,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:00:10,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:00:10,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:00:10,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:00:10,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:00:10,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:00:10,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:00:10,146 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:00:10,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:00:10,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:00:10,147 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_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2022-11-16 11:00:10,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:00:10,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:00:10,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:00:10,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:00:10,533 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:00:10,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-16 11:00:10,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/data/0c0114e09/4d3f805787e942a885664d3c298c9516/FLAGc8265b7b4 [2022-11-16 11:00:11,477 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:00:11,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-16 11:00:11,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/data/0c0114e09/4d3f805787e942a885664d3c298c9516/FLAGc8265b7b4 [2022-11-16 11:00:12,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/data/0c0114e09/4d3f805787e942a885664d3c298c9516 [2022-11-16 11:00:12,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:00:12,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:00:12,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:00:12,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:00:12,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:00:12,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:00:12" (1/1) ... [2022-11-16 11:00:12,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75309cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:12, skipping insertion in model container [2022-11-16 11:00:12,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:00:12" (1/1) ... [2022-11-16 11:00:12,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:00:12,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:00:12,557 WARN L229 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_faa794c0-1229-4013-b2c2-1e51107788b9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-16 11:00:12,565 WARN L229 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_faa794c0-1229-4013-b2c2-1e51107788b9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-16 11:00:13,699 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,700 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,701 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,702 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,704 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,721 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,723 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,727 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,730 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,733 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,744 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,745 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:13,746 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,242 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:00:14,244 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:00:14,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:00:14,247 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:00:14,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:00:14,250 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:00:14,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:00:14,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:00:14,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:00:14,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:00:14,466 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:00:14,905 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,906 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,929 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,930 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,937 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,938 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,955 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,957 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,958 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,959 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,960 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,961 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:14,962 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:00:15,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:00:15,112 WARN L229 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_faa794c0-1229-4013-b2c2-1e51107788b9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-16 11:00:15,113 WARN L229 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_faa794c0-1229-4013-b2c2-1e51107788b9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-16 11:00:15,179 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,180 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,181 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,182 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,183 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,196 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,198 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,199 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,201 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,204 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,205 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,205 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,206 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:00:15,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:00:15,258 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:00:15,263 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:00:15,264 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:00:15,265 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:00:15,265 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:00:15,266 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:00:15,267 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:00:15,267 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:00:15,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:00:15,433 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,433 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,447 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,448 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,451 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,451 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,461 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,462 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,463 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,463 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,463 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,464 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,465 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:00:15,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:00:15,859 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:00:15,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15 WrapperNode [2022-11-16 11:00:15,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:00:15,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:00:15,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:00:15,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:00:15,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,112 INFO L138 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2022-11-16 11:00:16,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:00:16,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:00:16,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:00:16,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:00:16,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:00:16,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:00:16,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:00:16,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:00:16,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (1/1) ... [2022-11-16 11:00:16,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:00:16,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:16,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:00:16,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:00:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-16 11:00:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-16 11:00:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-16 11:00:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-16 11:00:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-16 11:00:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-16 11:00:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:00:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 11:00:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 11:00:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:00:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 11:00:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-16 11:00:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-16 11:00:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2022-11-16 11:00:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 11:00:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:00:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:00:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:00:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-16 11:00:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-16 11:00:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:00:16,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:00:16,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:00:19,033 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-16 11:00:19,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:00:19,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:00:19,057 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 11:00:19,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:00:19 BoogieIcfgContainer [2022-11-16 11:00:19,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:00:19,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:00:19,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:00:19,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:00:19,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:00:12" (1/3) ... [2022-11-16 11:00:19,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccb137f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:00:19, skipping insertion in model container [2022-11-16 11:00:19,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:00:15" (2/3) ... [2022-11-16 11:00:19,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccb137f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:00:19, skipping insertion in model container [2022-11-16 11:00:19,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:00:19" (3/3) ... [2022-11-16 11:00:19,074 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2022-11-16 11:00:19,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:00:19,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:00:19,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:00:19,159 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;@7b117cd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:00:19,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:00:19,164 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) [2022-11-16 11:00:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:00:19,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:19,178 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] [2022-11-16 11:00:19,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash 412073855, now seen corresponding path program 1 times [2022-11-16 11:00:19,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:19,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357576824] [2022-11-16 11:00:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:19,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:00:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-16 11:00:20,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:20,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357576824] [2022-11-16 11:00:20,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357576824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:20,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:00:20,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:00:20,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821734740] [2022-11-16 11:00:20,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:20,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:00:20,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:20,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:00:20,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:00:20,230 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) [2022-11-16 11:00:20,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:20,796 INFO L93 Difference]: Finished difference Result 277 states and 402 transitions. [2022-11-16 11:00:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:00:20,800 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 [2022-11-16 11:00:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:20,816 INFO L225 Difference]: With dead ends: 277 [2022-11-16 11:00:20,816 INFO L226 Difference]: Without dead ends: 135 [2022-11-16 11:00:20,823 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 [2022-11-16 11:00:20,832 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 31 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:20,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 376 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 11:00:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-16 11:00:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-16 11:00:20,913 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) [2022-11-16 11:00:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 188 transitions. [2022-11-16 11:00:20,919 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 188 transitions. Word has length 93 [2022-11-16 11:00:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:20,924 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 188 transitions. [2022-11-16 11:00:20,924 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) [2022-11-16 11:00:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2022-11-16 11:00:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:00:20,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:20,929 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] [2022-11-16 11:00:20,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:00:20,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:20,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:20,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1080401153, now seen corresponding path program 1 times [2022-11-16 11:00:20,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:20,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520674589] [2022-11-16 11:00:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:20,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:00:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 11:00:24,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:24,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520674589] [2022-11-16 11:00:24,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520674589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:00:24,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134228915] [2022-11-16 11:00:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:24,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:00:24,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:00:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:24,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 142 conjunts are in the unsatisfiable core [2022-11-16 11:00:24,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:25,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 11:00:27,165 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-16 11:00:27,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-16 11:00:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,179 INFO L321 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-16 11:00:28,179 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 11:00:28,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-16 11:00:28,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:00:28,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:00:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:28,608 INFO L321 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2022-11-16 11:00:28,609 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 11:00:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-16 11:00:30,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:00:30,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134228915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:30,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:00:30,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [13] total 44 [2022-11-16 11:00:30,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329932741] [2022-11-16 11:00:30,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:30,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-16 11:00:30,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:30,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-16 11:00:30,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1788, Unknown=1, NotChecked=0, Total=1892 [2022-11-16 11:00:30,182 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) [2022-11-16 11:00:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:34,348 INFO L93 Difference]: Finished difference Result 227 states and 331 transitions. [2022-11-16 11:00:34,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 11:00:34,350 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 [2022-11-16 11:00:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:34,354 INFO L225 Difference]: With dead ends: 227 [2022-11-16 11:00:34,354 INFO L226 Difference]: Without dead ends: 219 [2022-11-16 11:00:34,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=241, Invalid=4179, Unknown=2, NotChecked=0, Total=4422 [2022-11-16 11:00:34,357 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 153 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 3217 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2121 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:34,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 3217 Invalid, 3692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 1541 Invalid, 0 Unknown, 2121 Unchecked, 2.1s Time] [2022-11-16 11:00:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-11-16 11:00:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 169. [2022-11-16 11:00:34,394 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, (24), 18 states have call predecessors, (24), 17 states have call successors, (24) [2022-11-16 11:00:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 244 transitions. [2022-11-16 11:00:34,396 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 244 transitions. Word has length 93 [2022-11-16 11:00:34,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:34,397 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 244 transitions. [2022-11-16 11:00:34,397 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) [2022-11-16 11:00:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 244 transitions. [2022-11-16 11:00:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:00:34,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:34,401 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] [2022-11-16 11:00:34,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 11:00:34,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:34,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:34,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:34,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1889747779, now seen corresponding path program 1 times [2022-11-16 11:00:34,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:34,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246242441] [2022-11-16 11:00:34,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:34,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:00:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-16 11:00:36,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:36,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246242441] [2022-11-16 11:00:36,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246242441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:00:36,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076006686] [2022-11-16 11:00:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:36,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:36,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:00:36,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:00:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 11:00:37,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 11:00:37,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:00:37,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076006686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:37,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:00:37,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 32 [2022-11-16 11:00:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574984790] [2022-11-16 11:00:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:37,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:00:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:00:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=922, Unknown=0, NotChecked=0, Total=992 [2022-11-16 11:00:37,861 INFO L87 Difference]: Start difference. First operand 169 states and 244 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) [2022-11-16 11:00:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:38,295 INFO L93 Difference]: Finished difference Result 309 states and 457 transitions. [2022-11-16 11:00:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:00:38,296 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 [2022-11-16 11:00:38,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:38,303 INFO L225 Difference]: With dead ends: 309 [2022-11-16 11:00:38,303 INFO L226 Difference]: Without dead ends: 168 [2022-11-16 11:00:38,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2022-11-16 11:00:38,312 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 28 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:38,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2056 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:00:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-16 11:00:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-11-16 11:00:38,333 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) [2022-11-16 11:00:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 238 transitions. [2022-11-16 11:00:38,335 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 238 transitions. Word has length 93 [2022-11-16 11:00:38,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:38,336 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 238 transitions. [2022-11-16 11:00:38,336 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) [2022-11-16 11:00:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 238 transitions. [2022-11-16 11:00:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:00:38,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:38,339 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] [2022-11-16 11:00:38,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 11:00:38,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:38,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:38,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:38,549 INFO L85 PathProgramCache]: Analyzing trace with hash -420869631, now seen corresponding path program 2 times [2022-11-16 11:00:38,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:38,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408970671] [2022-11-16 11:00:38,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:00:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-16 11:00:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:40,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408970671] [2022-11-16 11:00:40,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408970671] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:00:40,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425364308] [2022-11-16 11:00:40,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:00:40,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:40,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:00:40,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:00:41,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:00:41,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:00:41,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-16 11:00:41,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 11:00:41,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:00:41,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425364308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:41,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:00:41,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 37 [2022-11-16 11:00:41,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876730893] [2022-11-16 11:00:41,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:41,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 11:00:41,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:41,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:00:41,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1251, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 11:00:41,921 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) [2022-11-16 11:00:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:42,436 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2022-11-16 11:00:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:00:42,437 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 [2022-11-16 11:00:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:42,439 INFO L225 Difference]: With dead ends: 287 [2022-11-16 11:00:42,439 INFO L226 Difference]: Without dead ends: 150 [2022-11-16 11:00:42,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=1774, Unknown=0, NotChecked=0, Total=1892 [2022-11-16 11:00:42,442 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 35 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:42,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 2404 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:00:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-16 11:00:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-16 11:00:42,455 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) [2022-11-16 11:00:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 213 transitions. [2022-11-16 11:00:42,456 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 213 transitions. Word has length 93 [2022-11-16 11:00:42,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:42,457 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 213 transitions. [2022-11-16 11:00:42,457 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) [2022-11-16 11:00:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 213 transitions. [2022-11-16 11:00:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 11:00:42,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:42,460 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] [2022-11-16 11:00:42,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 11:00:42,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:42,670 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:42,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:42,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1741756842, now seen corresponding path program 1 times [2022-11-16 11:00:42,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:42,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260840533] [2022-11-16 11:00:42,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:42,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:00:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 11:00:45,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:45,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260840533] [2022-11-16 11:00:45,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260840533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:00:45,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871926337] [2022-11-16 11:00:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:45,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:45,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:45,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:00:45,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:00:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:46,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 139 conjunts are in the unsatisfiable core [2022-11-16 11:00:46,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:46,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 11:00:48,260 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-16 11:00:48,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-16 11:00:49,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:49,206 INFO L321 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-16 11:00:49,207 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 11:00:49,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-16 11:00:49,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:00:49,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:00:49,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:00:49,636 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 11:00:49,637 INFO L350 Elim1Store]: Elim1 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 102 treesize of output 68 [2022-11-16 11:00:49,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-16 11:00:49,678 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 11:00:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-16 11:00:51,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:00:51,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871926337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:51,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:00:51,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [13] total 44 [2022-11-16 11:00:51,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373434886] [2022-11-16 11:00:51,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:51,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-16 11:00:51,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:51,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-16 11:00:51,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1788, Unknown=1, NotChecked=0, Total=1892 [2022-11-16 11:00:51,296 INFO L87 Difference]: Start difference. First operand 150 states and 213 transitions. Second operand has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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) [2022-11-16 11:00:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:55,099 INFO L93 Difference]: Finished difference Result 218 states and 309 transitions. [2022-11-16 11:00:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 11:00:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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 94 [2022-11-16 11:00:55,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:55,101 INFO L225 Difference]: With dead ends: 218 [2022-11-16 11:00:55,102 INFO L226 Difference]: Without dead ends: 200 [2022-11-16 11:00:55,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=241, Invalid=4179, Unknown=2, NotChecked=0, Total=4422 [2022-11-16 11:00:55,106 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 225 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 3635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2239 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:55,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 3260 Invalid, 3635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1371 Invalid, 0 Unknown, 2239 Unchecked, 1.8s Time] [2022-11-16 11:00:55,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-16 11:00:55,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 150. [2022-11-16 11:00:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.464) internal successors, (183), 125 states have internal predecessors, (183), 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) [2022-11-16 11:00:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 212 transitions. [2022-11-16 11:00:55,130 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 212 transitions. Word has length 94 [2022-11-16 11:00:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:55,134 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 212 transitions. [2022-11-16 11:00:55,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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) [2022-11-16 11:00:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 212 transitions. [2022-11-16 11:00:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 11:00:55,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:55,139 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] [2022-11-16 11:00:55,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:55,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:55,350 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:00:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 940223250, now seen corresponding path program 1 times [2022-11-16 11:00:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:55,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812693073] [2022-11-16 11:00:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:00:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:00:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:00:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:00:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:00:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:00:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:00:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:00:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:00:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:00:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:00:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 11:00:58,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:58,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812693073] [2022-11-16 11:00:58,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812693073] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:00:58,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705774789] [2022-11-16 11:00:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:58,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:00:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:00:58,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:00:58,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 11:00:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:58,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 162 conjunts are in the unsatisfiable core [2022-11-16 11:00:58,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:00:58,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 57 treesize of output 52 [2022-11-16 11:00:58,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2022-11-16 11:00:58,995 INFO L321 Elim1Store]: treesize reduction 17, result has 52.8 percent of original size [2022-11-16 11:00:58,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 32 [2022-11-16 11:01:07,552 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-16 11:01:07,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 63 [2022-11-16 11:01:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:01:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:01:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:01:08,944 INFO L321 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-16 11:01:08,944 INFO L350 Elim1Store]: Elim1 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 161 treesize of output 210 [2022-11-16 11:01:08,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-16 11:01:09,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:01:09,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 11:01:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:01:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:01:09,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 11:01:09,197 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 11:01:09,198 INFO L350 Elim1Store]: Elim1 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 109 treesize of output 72 [2022-11-16 11:01:09,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-16 11:01:09,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-16 11:01:11,695 INFO L321 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2022-11-16 11:01:11,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 168 treesize of output 93 [2022-11-16 11:01:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:01:12,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:14,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705774789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:14,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:01:14,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 45] total 56 [2022-11-16 11:01:14,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827339991] [2022-11-16 11:01:14,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:14,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-11-16 11:01:14,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:14,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-11-16 11:01:14,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=3826, Unknown=1, NotChecked=0, Total=4032 [2022-11-16 11:01:14,841 INFO L87 Difference]: Start difference. First operand 150 states and 212 transitions. Second operand has 56 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 39 states have internal predecessors, (103), 15 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (26), 16 states have call predecessors, (26), 14 states have call successors, (26) [2022-11-16 11:01:16,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:16,718 INFO L93 Difference]: Finished difference Result 154 states and 215 transitions. [2022-11-16 11:01:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:01:16,723 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 39 states have internal predecessors, (103), 15 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (26), 16 states have call predecessors, (26), 14 states have call successors, (26) Word has length 94 [2022-11-16 11:01:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:16,724 INFO L225 Difference]: With dead ends: 154 [2022-11-16 11:01:16,724 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:01:16,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=301, Invalid=5398, Unknown=1, NotChecked=0, Total=5700 [2022-11-16 11:01:16,727 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 57 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 420 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:01:16,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 306 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 464 Invalid, 0 Unknown, 420 Unchecked, 0.7s Time] [2022-11-16 11:01:16,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:01:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:01:16,728 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) [2022-11-16 11:01:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:01:16,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2022-11-16 11:01:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:16,729 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:01:16,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 39 states have internal predecessors, (103), 15 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (26), 16 states have call predecessors, (26), 14 states have call successors, (26) [2022-11-16 11:01:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:01:16,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:01:16,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:01:16,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:16,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 11:01:16,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:01:17,226 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6861 6865) no Hoare annotation was computed. [2022-11-16 11:01:17,227 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)) (let ((.cse0 (select |#memory_int| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|))) (let ((.cse2 (select .cse0 (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 8)))) (let ((.cse1 (mod .cse2 18446744073709551616))) (or (and (= (select .cse0 (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| (- 18446744073709551600) .cse1)) 0) (<= (+ 9223372036854775808 (* 18446744073709551616 (div .cse2 18446744073709551616))) .cse2)) (and (<= (+ 18446744073709551616 (* (div (+ (- 9223372036854775808) .cse2) 18446744073709551616) 18446744073709551616)) .cse2) (= (select .cse0 (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 16 .cse1)) 0)) (= 0 .cse2))))) (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)) [2022-11-16 11:01:17,227 INFO L899 garLoopResultBuilder]: For program point L6871-1(lines 6871 6872) no Hoare annotation was computed. [2022-11-16 11:01:17,227 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|)) [2022-11-16 11:01:17,227 INFO L899 garLoopResultBuilder]: For program point L6871-5(lines 6871 6872) no Hoare annotation was computed. [2022-11-16 11:01:17,227 INFO L899 garLoopResultBuilder]: For program point L6868-1(line 6868) no Hoare annotation was computed. [2022-11-16 11:01:17,228 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$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-16 11:01:17,228 INFO L895 garLoopResultBuilder]: At program point L6868(line 6868) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or .cse0 (<= 0 (+ (div (+ 31 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616) (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616)))) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (or .cse0 (<= 0 (+ (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 31) 18446744073709551616)))) (= |old(#valid)| |#valid|))) [2022-11-16 11:01:17,228 INFO L899 garLoopResultBuilder]: For program point L6871-3(line 6871) no Hoare annotation was computed. [2022-11-16 11:01:17,228 INFO L895 garLoopResultBuilder]: At program point L6871-2(line 6871) the Hoare annotation is: (and (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 32)) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|)) [2022-11-16 11:01:17,228 INFO L895 garLoopResultBuilder]: At program point L6862(line 6862) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 32 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |old(#valid)| |#valid|)) [2022-11-16 11:01:17,228 INFO L899 garLoopResultBuilder]: For program point L6863-1(line 6863) no Hoare annotation was computed. [2022-11-16 11:01:17,228 INFO L895 garLoopResultBuilder]: At program point L6863(line 6863) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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|)) [2022-11-16 11:01:17,228 INFO L899 garLoopResultBuilder]: For program point L6862-1(line 6862) no Hoare annotation was computed. [2022-11-16 11:01:17,228 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6861 6865) no Hoare annotation was computed. [2022-11-16 11:01:17,228 INFO L899 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2022-11-16 11:01:17,229 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|)) [2022-11-16 11:01:17,229 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-16 11:01:17,229 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2022-11-16 11:01:17,229 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2022-11-16 11:01:17,230 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-16 11:01:17,230 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-16 11:01:17,230 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-16 11:01:17,231 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6291 6295) the Hoare annotation is: true [2022-11-16 11:01:17,231 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6291 6295) no Hoare annotation was computed. [2022-11-16 11:01:17,231 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6291 6295) no Hoare annotation was computed. [2022-11-16 11:01:17,232 INFO L899 garLoopResultBuilder]: For program point L6293-2(line 6293) no Hoare annotation was computed. [2022-11-16 11:01:17,232 INFO L902 garLoopResultBuilder]: At program point L6293(line 6293) the Hoare annotation is: true [2022-11-16 11:01:17,233 INFO L902 garLoopResultBuilder]: At program point L6293-1(line 6293) the Hoare annotation is: true [2022-11-16 11:01:17,233 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:01:17,233 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2022-11-16 11:01:17,234 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2022-11-16 11:01:17,234 INFO L899 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2022-11-16 11:01:17,236 INFO L899 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2022-11-16 11:01:17,237 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6301 6306) the Hoare annotation is: true [2022-11-16 11:01:17,237 INFO L899 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2022-11-16 11:01:17,237 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6301 6306) no Hoare annotation was computed. [2022-11-16 11:01:17,237 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6301 6306) no Hoare annotation was computed. [2022-11-16 11:01:17,237 INFO L899 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2022-11-16 11:01:17,237 INFO L899 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2022-11-16 11:01:17,238 INFO L899 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2022-11-16 11:01:17,238 INFO L899 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2022-11-16 11:01:17,238 INFO L899 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2022-11-16 11:01:17,238 INFO L899 garLoopResultBuilder]: For program point hashlittle2FINAL(lines 8838 8977) no Hoare annotation was computed. [2022-11-16 11:01:17,239 INFO L899 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2022-11-16 11:01:17,239 INFO L902 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: true [2022-11-16 11:01:17,240 INFO L899 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2022-11-16 11:01:17,240 INFO L902 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: true [2022-11-16 11:01:17,240 INFO L902 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: true [2022-11-16 11:01:17,240 INFO L899 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2022-11-16 11:01:17,240 INFO L899 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2022-11-16 11:01:17,241 INFO L899 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2022-11-16 11:01:17,242 INFO L899 garLoopResultBuilder]: For program point hashlittle2EXIT(lines 8838 8977) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2022-11-16 11:01:17,243 INFO L899 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2022-11-16 11:01:17,244 INFO L899 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2022-11-16 11:01:17,244 INFO L899 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2022-11-16 11:01:17,247 INFO L899 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2022-11-16 11:01:17,247 INFO L899 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2022-11-16 11:01:17,247 INFO L899 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2022-11-16 11:01:17,247 INFO L899 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2022-11-16 11:01:17,247 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2022-11-16 11:01:17,248 INFO L899 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2022-11-16 11:01:17,248 INFO L902 garLoopResultBuilder]: At program point hashlittle2ENTRY(lines 8838 8977) the Hoare annotation is: true [2022-11-16 11:01:17,248 INFO L899 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2022-11-16 11:01:17,248 INFO L899 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2022-11-16 11:01:17,248 INFO L899 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2022-11-16 11:01:17,248 INFO L899 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2022-11-16 11:01:17,249 INFO L899 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2022-11-16 11:01:17,250 INFO L899 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2022-11-16 11:01:17,250 INFO L899 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2022-11-16 11:01:17,250 INFO L902 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: true [2022-11-16 11:01:17,250 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2022-11-16 11:01:17,250 INFO L899 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2022-11-16 11:01:17,250 INFO L899 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2022-11-16 11:01:17,251 INFO L899 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2022-11-16 11:01:17,252 INFO L899 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2022-11-16 11:01:17,252 INFO L902 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: true [2022-11-16 11:01:17,252 INFO L899 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2022-11-16 11:01:17,253 INFO L899 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L899 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L899 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L899 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L899 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L899 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2022-11-16 11:01:17,254 INFO L902 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: true [2022-11-16 11:01:17,255 INFO L899 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2022-11-16 11:01:17,255 INFO L899 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2022-11-16 11:01:17,255 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-16 11:01:17,255 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-16 11:01:17,255 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-16 11:01:17,255 INFO L899 garLoopResultBuilder]: For program point L9951-2(line 9951) no Hoare annotation was computed. [2022-11-16 11:01:17,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:01:17,256 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)))) [2022-11-16 11:01:17,256 INFO L899 garLoopResultBuilder]: For program point L9951-5(line 9951) no Hoare annotation was computed. [2022-11-16 11:01:17,256 INFO L895 garLoopResultBuilder]: At program point L9951-1(line 9951) the Hoare annotation is: (= 1 |ULTIMATE.start_aws_hash_string_#t~ret1265#1|) [2022-11-16 11:01:17,256 INFO L895 garLoopResultBuilder]: At program point L9945(line 9945) the Hoare annotation is: false [2022-11-16 11:01:17,257 INFO L895 garLoopResultBuilder]: At program point L9945-1(line 9945) the Hoare annotation is: false [2022-11-16 11:01:17,257 INFO L899 garLoopResultBuilder]: For program point L9945-2(line 9945) no Hoare annotation was computed. [2022-11-16 11:01:17,257 INFO L902 garLoopResultBuilder]: At program point L10247(line 10247) the Hoare annotation is: true [2022-11-16 11:01:17,257 INFO L899 garLoopResultBuilder]: For program point L10247-1(line 10247) no Hoare annotation was computed. [2022-11-16 11:01:17,257 INFO L899 garLoopResultBuilder]: For program point L9950-1(line 9950) no Hoare annotation was computed. [2022-11-16 11:01:17,257 INFO L895 garLoopResultBuilder]: At program point L9950-2(line 9950) the Hoare annotation is: false [2022-11-16 11:01:17,258 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:01:17,258 INFO L899 garLoopResultBuilder]: For program point L9950-3(line 9950) no Hoare annotation was computed. [2022-11-16 11:01:17,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:01:17,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:01:17,259 INFO L895 garLoopResultBuilder]: At program point L9950(line 9950) the Hoare annotation is: false [2022-11-16 11:01:17,260 INFO L902 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2022-11-16 11:01:17,260 INFO L902 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2022-11-16 11:01:17,260 INFO L899 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2022-11-16 11:01:17,261 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-16 11:01:17,261 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-16 11:01:17,262 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-16 11:01:17,262 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:01:17,262 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:01:17,262 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-16 11:01:17,266 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-11-16 11:01:17,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:01:17,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:01:17 BoogieIcfgContainer [2022-11-16 11:01:17,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:01:17,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:01:17,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:01:17,319 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:01:17,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:00:19" (3/4) ... [2022-11-16 11:01:17,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:01:17,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-11-16 11:01:17,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-16 11:01:17,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hashlittle2 [2022-11-16 11:01:17,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-16 11:01:17,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-16 11:01:17,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-11-16 11:01:17,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 11:01:17,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 11:01:17,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-16 11:01:17,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-16 11:01:17,348 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2022-11-16 11:01:17,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-16 11:01:17,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-16 11:01:17,353 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 11:01:17,354 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 11:01:17,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:01:17,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:01:17,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:01:17,391 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)) && (((unknown-#memory_int-unknown[\result][\result + -18446744073709551600 + unknown-#memory_int-unknown[\result][\result + 8] % 18446744073709551616] == 0 && 9223372036854775808 + 18446744073709551616 * (unknown-#memory_int-unknown[\result][\result + 8] / 18446744073709551616) <= unknown-#memory_int-unknown[\result][\result + 8]) || (18446744073709551616 + (-9223372036854775808 + unknown-#memory_int-unknown[\result][\result + 8]) / 18446744073709551616 * 18446744073709551616 <= unknown-#memory_int-unknown[\result][\result + 8] && unknown-#memory_int-unknown[\result][\result + 16 + unknown-#memory_int-unknown[\result][\result + 8] % 18446744073709551616] == 0)) || 0 == unknown-#memory_int-unknown[\result][\result + 8])) && (\old(max_size) == max_size || 32 == max_size)) && str + 1 <= unknown-#StackHeapBarrier-unknown) && \result == 0 [2022-11-16 11:01:17,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:01:17,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:01:17,846 INFO L158 Benchmark]: Toolchain (without parser) took 65829.34ms. Allocated memory was 127.9MB in the beginning and 664.8MB in the end (delta: 536.9MB). Free memory was 82.4MB in the beginning and 269.5MB in the end (delta: -187.1MB). Peak memory consumption was 350.4MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,846 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory was 99.7MB in the beginning and 99.7MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:17,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3841.30ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 82.1MB in the beginning and 93.4MB in the end (delta: -11.3MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.06ms. Allocated memory is still 178.3MB. Free memory was 93.4MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,847 INFO L158 Benchmark]: Boogie Preprocessor took 121.58ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 75.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,848 INFO L158 Benchmark]: RCFGBuilder took 2819.52ms. Allocated memory was 178.3MB in the beginning and 297.8MB in the end (delta: 119.5MB). Free memory was 75.6MB in the beginning and 216.1MB in the end (delta: -140.5MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,848 INFO L158 Benchmark]: TraceAbstraction took 58252.64ms. Allocated memory was 297.8MB in the beginning and 664.8MB in the end (delta: 367.0MB). Free memory was 216.1MB in the beginning and 393.2MB in the end (delta: -177.1MB). Peak memory consumption was 189.9MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,848 INFO L158 Benchmark]: Witness Printer took 527.05ms. Allocated memory is still 664.8MB. Free memory was 393.2MB in the beginning and 269.5MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-16 11:01:17,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory was 99.7MB in the beginning and 99.7MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3841.30ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 82.1MB in the beginning and 93.4MB in the end (delta: -11.3MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.06ms. Allocated memory is still 178.3MB. Free memory was 93.4MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.58ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 75.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2819.52ms. Allocated memory was 178.3MB in the beginning and 297.8MB in the end (delta: 119.5MB). Free memory was 75.6MB in the beginning and 216.1MB in the end (delta: -140.5MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * TraceAbstraction took 58252.64ms. Allocated memory was 297.8MB in the beginning and 664.8MB in the end (delta: 367.0MB). Free memory was 216.1MB in the beginning and 393.2MB in the end (delta: -177.1MB). Peak memory consumption was 189.9MB. Max. memory is 16.1GB. * Witness Printer took 527.05ms. Allocated memory is still 664.8MB. Free memory was 393.2MB in the beginning and 269.5MB 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: 58.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 546 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 11619 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4780 IncrementalHoareTripleChecker+Unchecked, 10804 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3996 IncrementalHoareTripleChecker+Invalid, 8890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 815 mSDtfsCounter, 3996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 774 GetRequests, 486 SyntacticMatches, 4 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2834 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=2, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 100 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 106 PreInvPairs, 120 NumberOfFragments, 402 HoareAnnotationTreeSize, 106 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 118 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 40.3s InterpolantComputationTime, 1027 NumberOfCodeBlocks, 1027 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1016 ConstructedInterpolants, 78 QuantifiedInterpolants, 12115 SizeOfPredicates, 163 NumberOfNonLiveVariables, 10820 ConjunctsInSsa, 509 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 416/497 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)) && (((unknown-#memory_int-unknown[\result][\result + -18446744073709551600 + unknown-#memory_int-unknown[\result][\result + 8] % 18446744073709551616] == 0 && 9223372036854775808 + 18446744073709551616 * (unknown-#memory_int-unknown[\result][\result + 8] / 18446744073709551616) <= unknown-#memory_int-unknown[\result][\result + 8]) || (18446744073709551616 + (-9223372036854775808 + unknown-#memory_int-unknown[\result][\result + 8]) / 18446744073709551616 * 18446744073709551616 <= unknown-#memory_int-unknown[\result][\result + 8] && unknown-#memory_int-unknown[\result][\result + 16 + unknown-#memory_int-unknown[\result][\result + 8] % 18446744073709551616] == 0)) || 0 == unknown-#memory_int-unknown[\result][\result + 8])) && (\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! [2022-11-16 11:01:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa794c0-1229-4013-b2c2-1e51107788b9/bin/uautomizer-tPACEb0tL8/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