./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF --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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:52:38,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:52:38,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:52:38,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:52:38,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:52:38,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:52:38,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:52:38,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:52:38,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:52:38,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:52:38,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:52:38,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:52:38,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:52:38,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:52:38,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:52:38,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:52:38,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:52:38,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:52:38,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:52:38,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:52:38,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:52:38,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:52:38,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:52:38,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:52:38,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:52:38,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:52:38,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:52:38,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:52:38,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:52:38,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:52:38,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:52:38,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:52:38,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:52:38,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:52:38,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:52:38,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:52:38,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:52:38,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:52:38,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:52:38,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:52:38,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:52:38,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:52:38,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:52:38,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:52:38,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:52:38,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:52:38,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:52:38,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:52:38,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:52:38,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:52:38,237 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:52:38,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:52:38,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:52:38,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:52:38,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:52:38,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:52:38,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:52:38,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:52:38,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:52:38,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:52:38,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:52:38,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:52:38,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:52:38,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:52:38,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:52:38,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:52:38,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:52:38,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:52:38,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:52:38,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:52:38,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:52:38,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:52:38,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:52:38,244 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_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2021-11-20 05:52:38,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:52:38,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:52:38,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:52:38,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:52:38,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:52:38,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-11-20 05:52:38,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/data/69ca87dd7/19163258db3a409cbf9f00b75b076cb2/FLAGb06ce8670 [2021-11-20 05:52:39,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:52:39,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2021-11-20 05:52:39,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/data/69ca87dd7/19163258db3a409cbf9f00b75b076cb2/FLAGb06ce8670 [2021-11-20 05:52:40,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/data/69ca87dd7/19163258db3a409cbf9f00b75b076cb2 [2021-11-20 05:52:40,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:52:40,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:52:40,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:52:40,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:52:40,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:52:40,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:40" (1/1) ... [2021-11-20 05:52:40,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:40, skipping insertion in model container [2021-11-20 05:52:40,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:40" (1/1) ... [2021-11-20 05:52:40,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:52:40,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:52:40,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2021-11-20 05:52:40,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2021-11-20 05:52:41,251 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 05:52:41,343 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,345 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,346 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,364 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,809 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 05:52:41,810 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 05:52:41,811 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 05:52:41,812 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 05:52:41,813 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 05:52:41,814 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 05:52:41,815 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 05:52:41,815 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 05:52:41,816 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 05:52:41,816 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 05:52:41,979 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:41,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:52:42,063 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:52:42,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2021-11-20 05:52:42,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2021-11-20 05:52:42,109 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 05:52:42,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,132 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,142 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,143 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,144 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,148 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,149 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,153 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,153 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,208 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 05:52:42,209 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 05:52:42,210 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 05:52:42,211 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 05:52:42,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 05:52:42,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 05:52:42,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 05:52:42,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 05:52:42,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 05:52:42,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 05:52:42,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:52:42,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:52:42,559 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:52:42,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42 WrapperNode [2021-11-20 05:52:42,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:52:42,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:52:42,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:52:42,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:52:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,760 INFO L137 Inliner]: procedures = 691, calls = 1690, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 667 [2021-11-20 05:52:42,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:52:42,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:52:42,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:52:42,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:52:42,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:52:42,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:52:42,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:52:42,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:52:42,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (1/1) ... [2021-11-20 05:52:42,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:52:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:52:42,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:52:42,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 05:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-20 05:52:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-20 05:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-20 05:52:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-20 05:52:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 05:52:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 05:52:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:52:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-20 05:52:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-20 05:52:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 05:52:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 05:52:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:52:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:52:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:52:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-20 05:52:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-20 05:52:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:52:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:52:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 05:52:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 05:52:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-20 05:52:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-20 05:52:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-20 05:52:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-20 05:52:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-20 05:52:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-20 05:52:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-20 05:52:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-20 05:52:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:52:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:52:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-20 05:52:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-20 05:52:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:52:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:52:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:52:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-20 05:52:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-20 05:52:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-20 05:52:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-20 05:52:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:52:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-20 05:52:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-20 05:52:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:52:43,335 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:52:43,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:52:44,314 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:52:44,327 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:52:44,327 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:52:44,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:44 BoogieIcfgContainer [2021-11-20 05:52:44,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:52:44,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:52:44,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:52:44,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:52:44,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:52:40" (1/3) ... [2021-11-20 05:52:44,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b6cf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:44, skipping insertion in model container [2021-11-20 05:52:44,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42" (2/3) ... [2021-11-20 05:52:44,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b6cf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:44, skipping insertion in model container [2021-11-20 05:52:44,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:44" (3/3) ... [2021-11-20 05:52:44,339 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2021-11-20 05:52:44,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:52:44,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:52:44,411 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:52:44,427 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:52:44,427 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:52:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-11-20 05:52:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:52:44,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:52:44,481 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:52:44,481 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:52:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:52:44,487 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2021-11-20 05:52:44,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:52:44,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433670333] [2021-11-20 05:52:44,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:44,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:52:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:52:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:52:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:52:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:52:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 05:52:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 05:52:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:52:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:52:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:52:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:52:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 05:52:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 05:52:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 05:52:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:52:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 05:52:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:52:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 05:52:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:52:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:52:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:52:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-20 05:52:45,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:52:45,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433670333] [2021-11-20 05:52:45,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433670333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:52:45,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:52:45,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:52:45,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686605893] [2021-11-20 05:52:45,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:52:45,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:52:45,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:52:45,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:52:45,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:52:45,483 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 05:52:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:52:46,189 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2021-11-20 05:52:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:52:46,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2021-11-20 05:52:46,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:52:46,210 INFO L225 Difference]: With dead ends: 378 [2021-11-20 05:52:46,210 INFO L226 Difference]: Without dead ends: 194 [2021-11-20 05:52:46,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:52:46,226 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 111 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 05:52:46,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 05:52:46,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-20 05:52:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2021-11-20 05:52:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-20 05:52:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2021-11-20 05:52:46,322 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2021-11-20 05:52:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:52:46,322 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2021-11-20 05:52:46,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 05:52:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2021-11-20 05:52:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:52:46,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:52:46,333 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:52:46,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:52:46,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:52:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:52:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2021-11-20 05:52:46,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:52:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700771458] [2021-11-20 05:52:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:52:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:52:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:52:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:52:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:52:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 05:52:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 05:52:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:52:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:52:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:52:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:52:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 05:52:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 05:52:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 05:52:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:52:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 05:52:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:52:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 05:52:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:52:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:52:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:52:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-20 05:52:47,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:52:47,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700771458] [2021-11-20 05:52:47,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700771458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:52:47,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:52:47,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 05:52:47,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705159021] [2021-11-20 05:52:47,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:52:47,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:52:47,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:52:47,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:52:47,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:52:47,008 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 05:52:47,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:52:47,916 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2021-11-20 05:52:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 05:52:47,917 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-11-20 05:52:47,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:52:47,921 INFO L225 Difference]: With dead ends: 365 [2021-11-20 05:52:47,921 INFO L226 Difference]: Without dead ends: 252 [2021-11-20 05:52:47,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-20 05:52:47,924 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 134 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:52:47,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 1316 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 05:52:47,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-20 05:52:47,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2021-11-20 05:52:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2021-11-20 05:52:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2021-11-20 05:52:47,951 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2021-11-20 05:52:47,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:52:47,952 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2021-11-20 05:52:47,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 05:52:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-11-20 05:52:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:52:47,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:52:47,955 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:52:47,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:52:47,955 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:52:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:52:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2021-11-20 05:52:47,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:52:47,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901201134] [2021-11-20 05:52:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:47,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:52:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:52:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:52:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:52:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:52:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 05:52:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 05:52:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:52:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:52:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:52:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:52:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 05:52:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 05:52:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 05:52:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:52:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 05:52:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:52:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 05:52:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:52:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:52:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:52:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-20 05:52:48,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:52:48,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901201134] [2021-11-20 05:52:48,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901201134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:52:48,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:52:48,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 05:52:48,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93808226] [2021-11-20 05:52:48,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:52:48,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 05:52:48,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:52:48,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 05:52:48,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:52:48,490 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-20 05:52:49,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:52:49,551 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2021-11-20 05:52:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 05:52:49,552 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2021-11-20 05:52:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:52:49,555 INFO L225 Difference]: With dead ends: 359 [2021-11-20 05:52:49,555 INFO L226 Difference]: Without dead ends: 252 [2021-11-20 05:52:49,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-20 05:52:49,557 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 110 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 05:52:49,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 1500 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 05:52:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-20 05:52:49,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2021-11-20 05:52:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2021-11-20 05:52:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2021-11-20 05:52:49,586 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2021-11-20 05:52:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:52:49,587 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2021-11-20 05:52:49,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-20 05:52:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2021-11-20 05:52:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:52:49,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:52:49,589 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:52:49,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:52:49,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:52:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:52:49,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2021-11-20 05:52:49,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:52:49,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845836616] [2021-11-20 05:52:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:49,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:52:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:52:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:52:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:52:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:52:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 05:52:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 05:52:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:52:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:52:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:52:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:52:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 05:52:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 05:52:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 05:52:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:52:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 05:52:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:52:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 05:52:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:52:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:52:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:52:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-20 05:52:49,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:52:49,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845836616] [2021-11-20 05:52:49,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845836616] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:52:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563573107] [2021-11-20 05:52:49,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:49,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:52:49,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:52:50,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:52:50,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:52:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:50,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 05:52:50,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:52:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-20 05:52:50,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:52:50,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563573107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:52:50,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 05:52:50,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-20 05:52:50,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288187420] [2021-11-20 05:52:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:52:50,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:52:50,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:52:50,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:52:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:52:50,776 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 05:52:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:52:50,906 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2021-11-20 05:52:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:52:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2021-11-20 05:52:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:52:50,911 INFO L225 Difference]: With dead ends: 357 [2021-11-20 05:52:50,911 INFO L226 Difference]: Without dead ends: 194 [2021-11-20 05:52:50,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:52:50,915 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:52:50,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1012 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:52:50,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-20 05:52:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-11-20 05:52:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2021-11-20 05:52:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2021-11-20 05:52:50,954 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2021-11-20 05:52:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:52:50,955 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2021-11-20 05:52:50,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 05:52:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2021-11-20 05:52:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-20 05:52:50,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:52:50,962 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:52:51,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:52:51,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-20 05:52:51,193 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:52:51,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:52:51,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2021-11-20 05:52:51,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:52:51,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908875981] [2021-11-20 05:52:51,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:51,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:52:51,240 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:52:51,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420340992] [2021-11-20 05:52:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:52:51,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:52:51,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:52:51,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:52:51,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 05:52:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:52:51,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2317 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 05:52:51,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:52:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-20 05:52:51,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:52:51,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:52:51,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908875981] [2021-11-20 05:52:51,957 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 05:52:51,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420340992] [2021-11-20 05:52:51,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420340992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:52:51,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:52:51,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:52:51,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445791102] [2021-11-20 05:52:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:52:51,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:52:51,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:52:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:52:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:52:51,963 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 05:52:52,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:52:52,024 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2021-11-20 05:52:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:52:52,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2021-11-20 05:52:52,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:52:52,026 INFO L225 Difference]: With dead ends: 235 [2021-11-20 05:52:52,026 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 05:52:52,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:52:52,030 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:52:52,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:52:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 05:52:52,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 05:52:52,031 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) [2021-11-20 05:52:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:52:52,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2021-11-20 05:52:52,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:52:52,032 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:52:52,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 05:52:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:52:52,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 05:52:52,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:52:52,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:52:52,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:52:52,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 05:52:52,722 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,722 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2021-11-20 05:52:52,722 INFO L858 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2021-11-20 05:52:52,722 INFO L854 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,722 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2021-11-20 05:52:52,722 INFO L858 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2021-11-20 05:52:52,722 INFO L858 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2021-11-20 05:52:52,722 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2021-11-20 05:52:52,723 INFO L861 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2021-11-20 05:52:52,723 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2021-11-20 05:52:52,723 INFO L854 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-20 05:52:52,723 INFO L858 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2021-11-20 05:52:52,724 INFO L854 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-20 05:52:52,724 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-11-20 05:52:52,724 INFO L854 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-20 05:52:52,724 INFO L858 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2021-11-20 05:52:52,724 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2021-11-20 05:52:52,724 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2021-11-20 05:52:52,724 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2021-11-20 05:52:52,724 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,724 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-11-20 05:52:52,725 INFO L858 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2021-11-20 05:52:52,725 INFO L858 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2021-11-20 05:52:52,725 INFO L858 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2021-11-20 05:52:52,726 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2021-11-20 05:52:52,726 INFO L858 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2021-11-20 05:52:52,726 INFO L858 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2021-11-20 05:52:52,726 INFO L858 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2021-11-20 05:52:52,726 INFO L854 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2021-11-20 05:52:52,726 INFO L858 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2021-11-20 05:52:52,727 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2021-11-20 05:52:52,727 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-20 05:52:52,727 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-20 05:52:52,727 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-20 05:52:52,727 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2021-11-20 05:52:52,727 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2021-11-20 05:52:52,728 INFO L858 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2021-11-20 05:52:52,728 INFO L858 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2021-11-20 05:52:52,728 INFO L861 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2021-11-20 05:52:52,728 INFO L858 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2021-11-20 05:52:52,728 INFO L854 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,728 INFO L858 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2021-11-20 05:52:52,729 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2021-11-20 05:52:52,729 INFO L861 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2021-11-20 05:52:52,729 INFO L858 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2021-11-20 05:52:52,729 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2021-11-20 05:52:52,729 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,730 INFO L861 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2021-11-20 05:52:52,730 INFO L861 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2021-11-20 05:52:52,730 INFO L861 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2021-11-20 05:52:52,730 INFO L858 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2021-11-20 05:52:52,730 INFO L858 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2021-11-20 05:52:52,730 INFO L858 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2021-11-20 05:52:52,731 INFO L861 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2021-11-20 05:52:52,731 INFO L858 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2021-11-20 05:52:52,731 INFO L861 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2021-11-20 05:52:52,731 INFO L858 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2021-11-20 05:52:52,731 INFO L861 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2021-11-20 05:52:52,731 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2021-11-20 05:52:52,732 INFO L861 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2021-11-20 05:52:52,732 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2021-11-20 05:52:52,732 INFO L861 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2021-11-20 05:52:52,732 INFO L861 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2021-11-20 05:52:52,732 INFO L858 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2021-11-20 05:52:52,732 INFO L861 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2021-11-20 05:52:52,732 INFO L858 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2021-11-20 05:52:52,733 INFO L858 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2021-11-20 05:52:52,733 INFO L861 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2021-11-20 05:52:52,733 INFO L858 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2021-11-20 05:52:52,733 INFO L861 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2021-11-20 05:52:52,749 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2021-11-20 05:52:52,749 INFO L861 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2021-11-20 05:52:52,749 INFO L861 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2021-11-20 05:52:52,750 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-20 05:52:52,751 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-20 05:52:52,751 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 05:52:52,751 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-20 05:52:52,751 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-20 05:52:52,751 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-20 05:52:52,751 INFO L858 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2021-11-20 05:52:52,752 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-20 05:52:52,752 INFO L861 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2021-11-20 05:52:52,752 INFO L858 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2021-11-20 05:52:52,752 INFO L858 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2021-11-20 05:52:52,752 INFO L861 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2021-11-20 05:52:52,752 INFO L858 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2021-11-20 05:52:52,753 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2021-11-20 05:52:52,753 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2021-11-20 05:52:52,753 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2021-11-20 05:52:52,753 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-20 05:52:52,753 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-20 05:52:52,753 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-20 05:52:52,754 INFO L858 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2021-11-20 05:52:52,754 INFO L854 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2021-11-20 05:52:52,754 INFO L858 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2021-11-20 05:52:52,754 INFO L854 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2021-11-20 05:52:52,754 INFO L858 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2021-11-20 05:52:52,754 INFO L854 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2021-11-20 05:52:52,755 INFO L854 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2021-11-20 05:52:52,755 INFO L858 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2021-11-20 05:52:52,756 INFO L854 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2021-11-20 05:52:52,756 INFO L854 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2021-11-20 05:52:52,756 INFO L858 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2021-11-20 05:52:52,756 INFO L854 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2021-11-20 05:52:52,756 INFO L861 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2021-11-20 05:52:52,756 INFO L854 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2021-11-20 05:52:52,757 INFO L858 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2021-11-20 05:52:52,757 INFO L858 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2021-11-20 05:52:52,757 INFO L854 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2021-11-20 05:52:52,757 INFO L858 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2021-11-20 05:52:52,757 INFO L858 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2021-11-20 05:52:52,757 INFO L854 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2021-11-20 05:52:52,758 INFO L854 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2021-11-20 05:52:52,758 INFO L854 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2021-11-20 05:52:52,758 INFO L858 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2021-11-20 05:52:52,758 INFO L858 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2021-11-20 05:52:52,758 INFO L854 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2021-11-20 05:52:52,758 INFO L858 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2021-11-20 05:52:52,759 INFO L854 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2021-11-20 05:52:52,759 INFO L854 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2021-11-20 05:52:52,759 INFO L858 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2021-11-20 05:52:52,759 INFO L854 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2021-11-20 05:52:52,759 INFO L858 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2021-11-20 05:52:52,759 INFO L858 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2021-11-20 05:52:52,760 INFO L854 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2021-11-20 05:52:52,760 INFO L858 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2021-11-20 05:52:52,760 INFO L854 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2021-11-20 05:52:52,760 INFO L858 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2021-11-20 05:52:52,760 INFO L854 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-20 05:52:52,761 INFO L854 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-20 05:52:52,761 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-11-20 05:52:52,761 INFO L858 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2021-11-20 05:52:52,761 INFO L854 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2021-11-20 05:52:52,761 INFO L858 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2021-11-20 05:52:52,761 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 05:52:52,761 INFO L858 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2021-11-20 05:52:52,762 INFO L854 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2021-11-20 05:52:52,762 INFO L854 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2021-11-20 05:52:52,762 INFO L854 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2021-11-20 05:52:52,762 INFO L858 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2021-11-20 05:52:52,762 INFO L854 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2021-11-20 05:52:52,763 INFO L854 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-20 05:52:52,763 INFO L854 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-20 05:52:52,763 INFO L858 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2021-11-20 05:52:52,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 05:52:52,763 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-11-20 05:52:52,763 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-11-20 05:52:52,764 INFO L858 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2021-11-20 05:52:52,764 INFO L854 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret797#1| 0) [2021-11-20 05:52:52,764 INFO L854 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2021-11-20 05:52:52,764 INFO L854 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2021-11-20 05:52:52,764 INFO L858 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2021-11-20 05:52:52,764 INFO L858 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2021-11-20 05:52:52,764 INFO L858 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2021-11-20 05:52:52,765 INFO L858 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2021-11-20 05:52:52,765 INFO L854 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2021-11-20 05:52:52,765 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-11-20 05:52:52,765 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-11-20 05:52:52,765 INFO L858 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2021-11-20 05:52:52,765 INFO L854 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2021-11-20 05:52:52,766 INFO L861 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2021-11-20 05:52:52,766 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-20 05:52:52,766 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-20 05:52:52,766 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-20 05:52:52,766 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-20 05:52:52,766 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-20 05:52:52,767 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-20 05:52:52,770 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 05:52:52,772 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:52:52,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:52:52 BoogieIcfgContainer [2021-11-20 05:52:52,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:52:52,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:52:52,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:52:52,782 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:52:52,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:44" (3/4) ... [2021-11-20 05:52:52,785 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 05:52:52,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-11-20 05:52:52,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-20 05:52:52,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2021-11-20 05:52:52,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-20 05:52:52,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-20 05:52:52,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-11-20 05:52:52,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-20 05:52:52,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2021-11-20 05:52:52,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2021-11-20 05:52:52,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 05:52:52,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2021-11-20 05:52:52,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-11-20 05:52:52,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-20 05:52:52,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-20 05:52:52,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-20 05:52:52,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 05:52:52,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 05:52:52,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:52:53,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:52:53,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:52:53,728 INFO L158 Benchmark]: Toolchain (without parser) took 13704.75ms. Allocated memory was 148.9MB in the beginning and 350.2MB in the end (delta: 201.3MB). Free memory was 108.0MB in the beginning and 107.2MB in the end (delta: 852.7kB). Peak memory consumption was 241.5MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,728 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:52:53,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2535.14ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 101.2MB in the end (delta: 6.8MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.74ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 92.3MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,729 INFO L158 Benchmark]: Boogie Preprocessor took 114.59ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 86.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,729 INFO L158 Benchmark]: RCFGBuilder took 1452.58ms. Allocated memory was 148.9MB in the beginning and 216.0MB in the end (delta: 67.1MB). Free memory was 86.0MB in the beginning and 106.9MB in the end (delta: -20.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,730 INFO L158 Benchmark]: TraceAbstraction took 8449.32ms. Allocated memory was 216.0MB in the beginning and 291.5MB in the end (delta: 75.5MB). Free memory was 105.8MB in the beginning and 81.0MB in the end (delta: 24.8MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,730 INFO L158 Benchmark]: Witness Printer took 945.78ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 80.0MB in the beginning and 107.2MB in the end (delta: -27.2MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2021-11-20 05:52:53,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2535.14ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 101.2MB in the end (delta: 6.8MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.74ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 92.3MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.59ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 86.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1452.58ms. Allocated memory was 148.9MB in the beginning and 216.0MB in the end (delta: 67.1MB). Free memory was 86.0MB in the beginning and 106.9MB in the end (delta: -20.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8449.32ms. Allocated memory was 216.0MB in the beginning and 291.5MB in the end (delta: 75.5MB). Free memory was 105.8MB in the beginning and 81.0MB in the end (delta: 24.8MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Witness Printer took 945.78ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 80.0MB in the beginning and 107.2MB in the end (delta: -27.2MB). Peak memory consumption was 72.4MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 447 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3445 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1647 IncrementalHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 955 mSDtfsCounter, 1647 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 76 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4509 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 05:52:53,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e18f3-d1f0-4f21-9d79-22d95c8a7074/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE